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Images & DesignImage Resizer & ConverterHighly recommendedResize and convert HEIC, JPG, PNG and WebP locally. Set upload size targets, compare previews, and download images or a ZIP. Includes iPhone HEIC…
Images & DesignImage to Text OCRHighly recommendedFree OCR in your browser: extract text from photos, screenshots and scanned PDF pages in 16 languages. Batch pages, crop visually, check uncertain…
Developer & DataJSON Formatter & ValidatorHighly recommendedInstantly format, minify, and validate your JSON code. Features include live preview, syntax highlighting, tree viewer, and structure stats.
PDF ToolsMerge PDF & Split PDF Online FreeHighly recommendedMerge PDF files in any order, split a PDF every N pages, by ranges or at pages you click, or extract pages — with page thumbnails and ZIP…
PDF ToolsPDF Page OrganizerHighly recommendedOrganize PDF pages free in your browser: drag to reorder, rotate, delete, duplicate, insert blank pages, add pages from other PDFs or images, then…
Images & DesignPSD StudioHighly recommendedFull workspaceFree browser PSD editor: open PSD, PSB and images, edit layers, masks, selections, text, shapes, adjustment layers, filters and styles in full…
Passwords & GeneratorsQR Code Generator with LogoHighly recommendedMake free static QR codes for links, Wi-Fi, contact cards, email, SMS, WhatsApp, events and maps. Add colors, dots and a logo, auto scan-check,…
Text & WritingText Compare / Diff CheckerHighly recommendedCompare two texts locally with word or line highlighting, ignore-case and spacing options, change navigation and TXT, JSON or printable HTML reports.
Text & WritingText to SpeechHighly recommendedCreate English speech locally with 28 voices, instant audio samples, adjustable pacing and WAV or MP3 downloads. Includes script projects and…
Audio & VideoVideo EditorHighly recommendedFull workspaceEdit short videos locally with a timeline, clip trims, transitions, photos, music, titles, captions and image/video overlays. Save projects and…
Images & DesignAI Background Remover & Cutout EditorRecommendedRemove image backgrounds locally, refine the cutout with erase and restore brushes, replace the background and download PNG. Includes zoom, undo…
Images & DesignBatch Image Processing WorkbenchRecommendedFull workspaceProcess a batch of photos locally with shared recipes and per-image overrides. Crop, resize, adjust colors, watermark, create multiple output…
Developer & DataCSV & TSV Table EditorRecommendedEdit CSV or TSV cells and headers locally. Add rows and columns, undo edits, filter, sort exact decimals, remove duplicates and export full or…
Developer & DataDatabase Schema DesignerRecommendedFull workspaceDesign database tables and relationships visually. Import SQL or SQLite schemas, edit keys and indexes, generate linked sample data, compare…
Developer & DataFile Checksum CalculatorRecommendedCalculate SHA-256 or SHA-512 checksums locally, compare expected values and download a file hash report. No file uploads. Includes examples,…
GIF & AnimationGIF EditorRecommendedFull workspaceFree online GIF editor: reorder, delete and retime frames, crop, resize, rotate, adjust colors, add text or draw, then export GIF, APNG or PNG…
GIF & AnimationGIF MakerRecommendedFull workspaceFree online GIF maker: add PNG, JPEG, WebP or GIF images, drag to order, set timing, add crossfades and text, and export a high-quality GIF, APNG…
Images & DesignImage Compare & Before / After SliderRecommendedCompare two local images with a draggable before/after slider, side-by-side panels or opacity overlay. Adjust fitting and export a labeled PNG or JPG.
Text & WritingOnline Markdown Editor with Live PreviewRecommendedFull workspaceWrite Markdown with syntax highlighting, a live preview that scrolls with you, an outline, resizable split view and focus mode. Optional drafts…
Passwords & GeneratorsPassphrase GeneratorRecommendedGenerate secure, memorable passphrases using themed word lists, custom patterns, and smart formatting options. Ideal for passwords, mnemonics, and…
PDF ToolsPDF CompressorRecommendedCompress PDF files locally with text-preserving structural compaction or image-based compression for scans. Compare actual savings, preview pages…
PDF ToolsPDF Editor & Form FillerRecommendedFull workspaceEdit a PDF locally: fill forms, add text, images, drawn signatures, highlights and shapes. Create new fillable fields, undo edits, save plans and…
PDF ToolsPDF to Text ExtractorRecommendedExtract selectable text from PDF pages locally. Choose page ranges, review line breaks, unlock password-protected files and download TXT or page…
Passwords & GeneratorsRandom Password GeneratorRecommendedGenerate secure, customizable passwords with advanced options like symbols, exclusions, batch output, entropy meter, and shareable settings.
Developer & DataRobots.txt Generator & TesterRecommendedFull workspaceBuild and edit robots.txt with multiple crawler groups, Allow and Disallow rules, sitemap declarations and ready presets. Test URL lists, explain…
Text & WritingText Case ConverterRecommendedConvert your text to UPPERCASE, lowercase, Capitalized, and more. Live conversion, clipboard tools, and downloadable results.
ConvertersUnit ConverterRecommendedConvert length, mass, temperature, area, volume, speed, time and digital storage. Strict inputs, batch reports and clearly labeled US, imperial…
GIF & AnimationVideo to GIF ConverterRecommendedFree video to GIF converter: trim on a visual timeline, crop, resize, set speed and FPS, preview the output and see the file size before exporting…
Developer & DataZIP File ManagerRecommendedFull workspaceCreate ZIP archives, inspect file paths and sizes, preview literal UTF-8 text, extract one file or repackage selected entries. Local cancellable…
Everyday Calculators2026 Tax Refund EstimatorEstimate your 2026 federal income tax refund or balance due with the new IRS brackets, standard deduction, tips, overtime, car-loan and senior…
Everyday Calculators2D Point Distance CalculatorMeasure the straight-line distance and midpoint between coordinates.
Developer & Data3D Assembly Exploded Diagram BuilderArrange components and callouts. Export assembly illustrations and parts indexes.
Developer & Data3D Asset License Manifest BuilderAttach supplied source, author and license notes to meshes and textures.
Developer & Data3D Bounding Collider GeneratorDescribe an enclosing axis-aligned box or bounds-centered sphere for your model and export reusable collider data.
Developer & Data3D Material Variant ComparatorCompare supplied color finishes under fixed software shading and export matched-view SVG proofs with variant metadata.
Developer & Data3D Model Cross-section ViewerSlice supported meshes interactively. Annotate measurements. Export section diagrams.
Developer & Data3D Model Scale and Axis NormalizerNormalize supported triangle geometry with an explicit scale, axis swap or mirror. Inspect bounds and export transformed mesh coordinates.
Developer & Data3D Model Viewer & Conversion WorkbenchFull workspaceOpen local GLB, glTF, OBJ or STL models in an interactive 3D workspace. Inspect meshes and dimensions, adjust transforms and materials, measure…
Developer & Data3D Object Turntable RendererGenerate matched-angle, shaded SVG turntable views of supported triangle geometry for a bounded proof set.
Everyday Calculators3D Point Distance CalculatorMeasure distance between two points in three-dimensional space.
Everyday Calculators3D Print Job Cost PlannerQuote multi-part print jobs with filament, machine time, energy, labor, failure allowance and a target gross margin.
Developer & Data3D Print Model Inspection & RepairInspect STL and OBJ meshes for open boundaries, non-manifold edges, duplicates and winding problems. Clean faces, orient surfaces, fill suitable…
Developer & Data3D Print Orientation ComparatorCompare candidate orientations using geometric proxies. Disclose slicer and material limitations.
Developer & Data3D Product Hotspot PublisherAdd labeled hotspots to supplied models. Export a standalone interactive viewer.
Everyday Calculators3D Vector Magnitude CalculatorNormalize a vector and find its Euclidean length.
Everyday Calculators401(k) Contribution Calculator 2026Plan 2026 retirement contributions: the % to max out your 401(k) on remaining paychecks, keep the full employer match, check IRA deduction and…
Developer & Data404 Recovery PrioritizerCombine status, links and supplied traffic evidence; rank repair candidates with reasons.
Text & WritingAbbreviation Consistency CheckerFind undefined uppercase abbreviations in a draft and review their frequency against your glossary.
Everyday CalculatorsAbundant, Perfect & Deficient Number ExplorerClassify an interval by proper-divisor sums and filter abundant, perfect or deficient numbers with an auditable numeric report.
Developer & DataAbuse-case Test PlannerModel misuse scenarios for owned applications; export defensive acceptance tests.
ConvertersAcceleration ConverterConvert acceleration measurements including standard gravity and Gal units.
Developer & DataAccess Review Evidence PackagerMerge owner decisions and role snapshots; export reviewed access records.
Text & WritingAccessibility Acceptance Criteria BuilderTurn selected interaction patterns into testable criteria and manual test steps.
Text & WritingAccessibility Issue Deduplication BoardMerge imported audit findings by element and rule; preserve evidence and ownership.
Text & WritingAccessibility Regression Test PackVersion manual test scenarios and evidence; compare outcomes across releases.
Text & WritingAccessible Accordion BuilderCreate keyboard-operated disclosure groups with semantic markup and standalone examples.
Text & WritingAccessible Chart Data CompanionPair charts with summaries and navigable data tables; export a complete figure package.
Developer & DataAccessible Date Input Pattern BuilderCombine native inputs and manual entry guidance; preview errors and locale formats.
Text & WritingAccessible Dialog Pattern BuilderDesign focus entry, escape and return behavior; export a reusable example.
Text & WritingAccessible Document Link DirectoryBuild readable categorized link collections with descriptions and keyboard shortcuts.
Text & WritingAccessible Drag Alternative DesignerBuild move-up/down and destination controls alongside drag interactions.
Developer & DataAccessible Emoji Usage CheckerShow repeated emoji and label implications; provide editable text alternatives. Use your own input, a worked example and downloadable results.
Text & WritingAccessible Error Summary BuilderMap field errors to links and instructions; export consistent form feedback.
Text & WritingAccessible Math Markup EditorAuthor supported expressions; preview MathML and spoken alternatives; export semantic markup.
Developer & DataAccessible Symbol Pairing PreviewCombine icons with labels; compare recognition and contrast across sizes. Use your own input, a worked example and downloadable results.
Text & WritingAccessible Tab Interface BuilderConfigure labels, activation and panels; export tested keyboard interaction markup.
Text & WritingAccessible Timer DisplayProvide visual, sound and text cues with adjustable announcement frequency.
Developer & DataAccessible Tooltip Content CheckerReview trigger labels, persistence and essential information placement from supplied markup. Use your own input, a worked example and downloadable…
Developer & DataAchievement Condition DesignerCompose supported event rules. Simulate progress. Export definitions and test fixtures.
Text & WritingAcronym First-use CheckerCompare acronym occurrences with your glossary and flag abbreviations used before their expanded form is introduced.
Text & WritingAcronym Pronunciation Notes BuilderAttach user-approved spoken forms; export presenter and narration notes. Use your own input, a worked example and downloadable results.
Text & WritingAcrostic & Line Letter ExtractorExtract a chosen Unicode character from each line to reveal acrostics, initials or end-letter patterns.
PDF ToolsAdd Page Numbers to PDFAdd page numbers to PDF files locally. Choose decimal or Roman labels, skip covers, set header or footer placement, preview the saved PDF and…
Everyday CalculatorsAge & Birthday CalculatorFind completed years, total elapsed days and days until the next birthday. Choose the anniversary rule for February 29 birthdays.
Developer & DataAlert Routing and Escalation PlannerModel schedules and escalation chains; detect uncovered periods; export a runbook.
Developer & DataAlluvial Category Change ExplorerTrace how the same entities move between stages, including the missing observations that are easy to overlook.
Audio & VideoAlternate Tuning ComparisonMap notes across supplied tunings. Compare chord shapes and string ranges.
Text & WritingAlternative Text Review BoardReview image-purpose descriptions in context; track decorative choices and missing explanations.
Text & WritingAmbiguous Date Wording CheckerFind unclear numeric dates and relative references; propose explicit formats. Use your own input, a worked example and downloadable results.
Audio & VideoAmplitude to Decibels CalculatorCompare positive amplitudes as a gain in decibels.
Images & DesignAnalog Clock Image MakerCreate a custom analog clock image with precise time, colors, labels, seconds and numbers, then download PNG or editable SVG.
ConvertersAngle ConverterConvert angles between radians, degrees, turns, gradians and angular subdivisions.
ConvertersAngular Velocity ConverterConvert rotation rates between radians, degrees, RPM and revolutions per second.
Developer & DataAnimated Image Transparency AuditCompare disposal and compositing results. Flag trails and matte artifacts.
Developer & DataAnimated SVG Timeline ComposerAnimate a generated SVG shape along your timed X/Y keyframes. Export the animated SVG and a static fallback.
Developer & DataAnimation Easing Curve Library BuilderCreate named curves and compare motion. Export CSS, JSON and sampled values.
Developer & DataAnimation Frame Difference HeatmapVisualize changed regions and duplicate frames. Export diagnostic overlays.
GIF & AnimationAnimation Frame Timing PlannerPlan animation timing from frame groups, compare exact and GIF-rounded delays, inspect a visual sequence and export a frame timing manifest.
Developer & DataAnimation Keyframe Retiming ToolScale and shift selected tracks. Preserve relative timing. Export supported formats.
Developer & DataAnimation Loop Continuity InspectorCompare start/end position, velocity and color. Report seam candidates.
Developer & DataAnimation Overshoot and Follow-through LabLayer delayed motion and overshoot. Preview hierarchy. Export reusable presets.
Developer & DataAnimation Timing Sheet BuilderCreate exposure sheets with holds, dialogue and actions. Export printable X-sheets.
Passwords & GeneratorsAnonymous Participant ID GeneratorCreate unlabeled participant codes for surveys, workshops and study worksheets.
Developer & DataApache Arrow File ExplorerInspect apache arrow file with typed values, byte locations and portable decoded exports.
Developer & DataApache Rewrite Rule TesterSimulate supported rewrite rules on sample paths; explain matches and loops.
Developer & DataAPI Consumer Contract PackagerBundle expected requests, responses and assertions into shareable local test contracts.
Developer & DataAPI Contract Difference AnalyzerCompare two OpenAPI 3.0 or 3.1 documents, see which changes break existing clients, record a decision on each, and export migration notes.
Developer & DataAPI Data Masking Profile BuilderDefine redaction paths across fixtures; test masking while preserving schema validity.
Developer & DataAPI Date and Time Contract TesterGenerate DST, offset and precision edge cases for declared timestamp fields.
Developer & DataAPI Documentation Example RunnerTest examples against local mocks; capture expected responses and documentation snippets.
Developer & DataAPI Endpoint Naming ReviewCheck consistency against chosen conventions; export an exception list. Use your own input, a worked example and downloadable results.
Developer & DataAPI Error Response DesignerDefine consistent problem details; validate examples; export contract snippets.
Developer & DataAPI Example Coverage CheckerMatch examples to operations and schema branches; report uncovered response cases.
Developer & DataAPI Field Deprecation Impact MapperTrace deprecated fields through supplied request examples and consumer mappings.
Developer & DataAPI Idempotency Behavior SimulatorReplay duplicate requests against modeled rules; inspect accepted and rejected outcomes.
Developer & DataAPI Pagination Scenario TesterSimulate cursor and offset cases under inserts and deletions; export test scenarios.
Developer & DataAPI Rate Limit Budget PlannerPlan request throughput within a quota and reserved allowance.
Developer & DataAPI Request Collection ConverterConvert supported collection subsets with explicit losses and credential redaction.
Developer & DataAPI Retry Safety MatrixClassify declared operations and failure cases; export explicit retry policies for review.
Developer & DataAPI Testing & Mock Data WorkbenchFull workspaceBuild API request collections, import OpenAPI definitions, inspect and compare responses, generate mock JSON and check supported schema…
Developer & DataAPI Version Deprecation PlannerMap consumers and changed operations; build migration timelines and test checklists.
Images & DesignAPNG Animation WorkbenchCreate and edit full-color animated PNGs: import APNG or still images, reorder frames, change timing and loops, resize, preview and export…
Everyday CalculatorsAppliance Energy AuditBuild a whole-home appliance inventory, compare active and standby consumption and identify the biggest annual energy costs.
Images & DesignAppliance Model Label ReaderExtract user-verified model and serial text from photos; export an equipment record. Use local file input, a worked example and downloadable results.
Everyday CalculatorsAppliance Replacement PlannerCompare replacement candidates with keeping an existing appliance, including purchase, installation, energy and maintenance over a chosen horizon.
Everyday CalculatorsAppointment Slot GeneratorGenerate same-day appointment slots on a fixed grid, excluding any slots that intersect listed breaks.
Everyday CalculatorsArc Length CalculatorFind an arc length and sector area from radius and angle.
Everyday CalculatorsArchive Digitization PlannerEstimate scanning, preparation, quality-control effort and storage for mixed archival batches.
Developer & DataArchive Expansion Budget InspectorEstimate extracted sizes and file counts from headers; flag suspicious ratios before extraction.
Developer & DataArchive Extraction Safety InspectorInspect traversal paths, symlinks and expansion ratios before approved extraction.
Everyday CalculatorsArchive File Naming BuilderGenerate consistent archival filenames from collection, container, item and date fields and detect collisions.
Developer & DataArchive Folder Tree PosterRender a selected folder manifest as a readable printable hierarchy. Use local file input, a worked example and downloadable results.
Developer & DataArchive Format Capability AdviserInspect collection requirements; compare documented format capabilities and conversion losses.
Developer & DataArchive Manifest Format ConverterConvert supported checksum manifests while retaining relative paths and algorithms.
Developer & DataArchive Rights and Embargo RegisterRecord supplied restrictions and release dates; export sharing eligibility reviews.
Developer & DataArchive Symlink and Permission Migration PlannerCompare link and permission semantics across declared platforms; preview portable substitutions; export a migration manifest.
Everyday CalculatorsArithmetic Sequence CalculatorFind a term and partial sum of a constant-difference sequence.
Text & WritingArticle Structure ComparisonCompare section order across drafts; show moved, added and removed sections.
Text & WritingASCII Art MakerConvert images or short text into ASCII art. Tune character shading, detail, brightness, contrast and dithering; copy text or export TXT and…
Developer & DataASCII Table & Text ValidatorInspect the complete 7-bit ASCII table or audit text with escaped controls, numeric codes and explicit non-ASCII results.
Images & DesignAspect Ratio & Resize CalculatorCalculate exact aspect ratios, proportional resize dimensions, centered crop regions and fit padding. Compare layouts locally and download a TXT…
Developer & DataASS ↔ SRT Subtitle ConverterConvert plain ASS dialogue to SRT or create a styled ASS subtitle script from SRT cues.
Everyday CalculatorsAssessment Item AnalyzerCompare question success rates and upper/lower-group differences to identify items worth reviewing.
Developer & DataAsset Attribution Compliance PackagerCollect license texts and required credits; flag missing evidence before distribution.
Developer & DataAsset Filename Cache Busting CheckerCompare manifest hashes and filenames; flag changed content with unchanged cache keys. Use your own input, a worked example and downloadable results.
Text & WritingAssignment Instruction UnpackerTurn pasted instructions into editable deliverables, constraints and submission checks. Use your own input, a worked example and downloadable results.
Everyday CalculatorsAssignment Score Target CalculatorFind the score needed on one remaining assignment to reach a target overall grade.
Everyday CalculatorsAssignment Workload CalendarSpread assignment effort across available calendar days and find overloaded homework periods.
Developer & DataAssociation Rule ExplorerDiscover which items appear together, with basket counts, support, confidence and lift you can inspect.
Everyday CalculatorsAstrophotography Session Budget PlannerBudget capture time and storage across light, dark, flat and bias frame batches.
Developer & DataAsyncAPI Message Contract ViewerInspect channels and message schemas; generate example payloads and documentation.
Audio & VideoAudio Batch Delivery ValidatorCompare decoded audio properties against your declared sample-rate, channel, duration and filename requirements.
Audio & VideoAudio Bit-depth Dither LabCompare quantization and dithering on quiet passages. Export test files and measurements.
Audio & VideoAudio Bitcrusher & Lo-Fi MakerCreate retro and lo-fi audio with bit-depth reduction, sample hold, drive, tone filtering and wet/dry controls. Preview and export WAV or MP3 locally.
Audio & VideoAudio Breath Reduction ReviewReview quiet-interval candidates and explicitly approved breath regions. Attenuate selected audio with smooth boundaries and compare the result.
Audio & VideoAudio Buffer Latency CalculatorEstimate ideal buffering delay from buffer size, rate and buffer count.
Audio & VideoAudio Channel Layout MapperRemap supported multichannel files. Preview routing and downmix gains. Export channel manifests.
Audio & VideoAudio Channel SplitterInspect and extract audio channels as WAV files, select a time range and create a mono mix.
Audio & VideoAudio Clock Drift CorrectorUse start/end sync points. Preview time correction. Export synchronized tracks.
Audio & VideoAudio ConverterConvert a recording to MP3, WAV, FLAC, Ogg or M4A. Trim the useful part and tune quality, channels and fades before downloading.
Audio & VideoAudio Crossfade Duration PlannerCalculate final duration when equal overlap is used between clips.
Audio & VideoAudio DC Offset InspectorMeasure channel offsets. Preview correction. Export before-after statistics.
Audio & VideoAudio Delay Distance CalculatorEstimate propagation delay over distance at a supplied sound speed.
Text & WritingAudio Description Cue AlignmentLink narration cues to media timestamps. Detect overlaps with supplied dialogue regions.
Audio & VideoAudio Description Mix BuilderPlace supplied narration clips at selected times, duck marked background regions and export the mixed PCM track.
Text & WritingAudio Description Script PlannerMark quiet intervals and required visual context; export timed narration notes.
Audio & VideoAudio Edit Decision List ConverterConvert structured audio edit records into seconds, frame references and a CSV decision list with an explicit frame-rate assumption.
Audio & VideoAudio EqualizerShape audio with eight frequency bands, voice and music presets, wet/dry comparison, output gain and peak-protected WAV or MP3 downloads.
Audio & VideoAudio Export Tail InspectorCheck reverb tails, fades and accidental truncation. Export endpoint review notes.
Audio & VideoAudio Fade Curve DesignerCompare linear and equal-power fades. Audition joins. Export processed clips.
Audio & VideoAudio File Technical Label MakerGenerate labels containing duration, channels, rate and version for delivery packages. Use local file input, a worked example and downloadable…
Audio & VideoAudio Fingerprint Duplicate FinderGroup likely repeated clips. Compare waveforms and durations. Export review decisions.
Audio & VideoAudio Hum Harmonic RemoverTune fundamental and harmonic notches. Compare voice preservation. Export settings.
Audio & VideoAudio JoinerJoin audio clips locally. Reorder and trim recordings, add silence or crossfades, preview the result and download WAV or MP3 with a clip timing…
Audio & VideoAudio Loop & Sample Pack BuilderSelect audio on a waveform, slice by beats or silence, crossfade loop boundaries, normalize samples and export a WAV sample pack with BPM metadata.
Audio & VideoAudio Loop Metadata EditorEdit supported loop points and cue metadata. Audition seamless repeats.
Audio & VideoAudio Loop Seam PlannerPlan loop duration after removing a tail overlap for a seam crossfade.
ConvertersAudio Multitrack EditorFull workspaceArrange recordings, music and sound effects on a multitrack timeline. Trim, split, crossfade, automate volume and mix with EQ, stereo pan and…
Audio & VideoAudio Noise Profile LibraryMeasure quiet audio regions, compare RMS and peak levels with frequency spectra, and save labeled noise profiles for your recording setup.
Audio & VideoAudio Noise ReductionRemove background noise, hiss, fan noise and 50/60 Hz hum from voice recordings in your browser. Learns your noise, compares before/after at the…
Audio & VideoAudio Peak Headroom CalculatorPlan gain against a target digital peak ceiling.
Audio & VideoAudio Phase Alignment AssistantCompare related microphones. Adjust polarity and delay. Inspect cancellation.
Audio & VideoAudio RecorderRecord microphone audio with live level feedback, pause, playback and downloadable takes.
Audio & VideoAudio Reference Match AnalyzerCompare spectral balance and dynamics with a reference. Avoid automatic mastering claims.
Audio & VideoAudio Sample Count CalculatorTranslate a duration to sample count and sample-period precision.
Audio & VideoAudio Silence SegmentationMark silence with adjustable thresholds. Preserve padding. Export clips and timestamps.
Audio & VideoAudio Spectrogram MakerVisualize local audio as a frequency-over-time spectrogram. Select channels and ranges, adjust FFT/frequency scales and export a labeled PNG or…
Audio & VideoAudio Stereo Width WorkbenchAdjust mid/side balance. Inspect mono compatibility. Export matched-level examples.
Audio & VideoAudio to Text & Subtitle GeneratorTranscribe audio or video to text in your browser with Whisper. Edit words and timestamps, then download TXT, SRT or VTT subtitles. No upload;…
Audio & VideoAudio Volume & NormalizerMake a quiet recording easier to hear, reduce loud peaks or adjust listening levels. Compare the original and processed sound before downloading.
Audio & VideoAudio Waveform Alignment ToolAlign two recordings by correlation and manual anchors. Inspect drift. Export aligned copies.
Audio & VideoAudiobook Chapter Consistency AuditCompare levels, pauses and file properties across chapters. Export correction priorities.
Everyday CalculatorsAudiobook Recording PlannerEstimate finished chapter duration, recording and editing effort, production days and narration costs.
Everyday CalculatorsAuto Loan & Dealer Offer ComparisonCompare dealer offers beyond the monthly payment: fees, rebates, trade-in debt, tax assumptions and the total cost of financing.
Images & DesignAutomatic Image Palette ExtractorFind dominant colors in an image automatically, merge similar shades, inspect text contrast and export reusable CSS, JSON or a PNG palette.
Developer & DataAvailability Downtime BudgetCalculate allowable downtime for a chosen uptime target and period.
Everyday CalculatorsAverage & Statistics CalculatorFind mean, median, modes, range and standard deviation from a list of numbers. Choose sample or population deviation.
Everyday CalculatorsAverage Time CalculatorAverage a list of clock times using a same-day arithmetic mean or a circular mean around midnight. Review earliest/latest times and export the…
Developer & DataAvro Schema and Record ViewerInspect avro schema and record with typed values, byte locations and portable decoded exports.
Developer & DataBackup Restore Drill TrackerRecord restore tests and hashes; compare recoverability evidence against user targets.
Everyday CalculatorsBackup Retention PlannerEstimate retained backup storage and transfer windows across datasets with full and incremental schedules.
Developer & DataBadge and Seal Geometry BuilderCompose rings, ribbons and curved labels; export layered vector badges.
Developer & DataBagIt Package ValidatorCheck supplied manifests and payload hashes; explain missing and extra files.
Everyday CalculatorsBaker’s Percentage CalculatorCalculate dough ingredient weights relative to flour mass.
Everyday CalculatorsBand Setlist Energy PlannerPlan set duration, breaks and a subjective energy curve while tracking key changes between songs.
Text & WritingBase64 Encoder & DecoderEncode Unicode text or any file to standard or URL-safe Base64. Decode with strict padding validation, inspect UTF-8 or binary previews and…
Developer & DataBase64 Size EstimatorCalculate Base64 character count and padding for a binary byte length.
Developer & DataBatch File RenamerPreview batch filename rules, numbering and collision handling. Download renamed file copies in a local ZIP without changing files on your computer.
Images & DesignBatch Image WatermarkWatermark JPG, PNG and WebP images locally with text or a logo. Preview placement, repeat watermarks, keep image dimensions and download images or…
Developer & DataBatch Job Chunk PlannerPlan chunk count, tail size and parallel processing rounds.
Text & WritingBatch URL CleanerClean a list of shared links without opening them. Remove common tracking parameters, preserve useful query bytes and leave recognized signed…
Everyday CalculatorsBattery Runtime EstimatorEstimate ideal runtime from capacity, voltage, load and supplied usable fraction.
Text & WritingBBCode Preview & ConverterPreview supported BBCode, extract readable text and export escaped HTML with safe links and no remote image loading.
Images & DesignBead Color Pattern ExpanderExpand color runs into a numbered bead sequence, repeat or mirror the motif, and total each color for a supply list.
Everyday CalculatorsBead String PlannerEstimate bead count along a length with spacer and clasp allowances.
Audio & VideoBeat Sample Grid CalculatorCalculate the fractional samples per beat and whole-sample timing error.
Audio & VideoBefore & After Video ComparisonCreate a focused two-video comparison with synchronized playback, side-by-side or stacked panels, a draggable wipe, clear labels and local…
Developer & DataBefore-after Data Narrative MakerMatch observations and show individual changes beside aggregate summaries without implying causation.
Developer & DataBefore-after Photo Proof GeneratorBuild labeled comparison sheets with identical scale and declared edit notes.
Developer & DataBenchmark Comparison WorkbenchAnalyze repeated benchmark runs; show variability and regression confidence limits.
Text & WritingBibTeX Entry InspectorInventory brace-delimited bibliography entries, citation keys and detected fields, with duplicate-key and missing-title warnings.
Everyday CalculatorsBicycle Gearing & Cadence PlannerCompare bicycle chainring/cassette ratios, gear inches, rollout, speed and target cadence with custom wheel circumference, saved setups and CSV…
Audio & VideoBilingual Subtitle WorkspaceAlign two SRT or WebVTT tracks, adjust translation timing, edit cue pairs and export bilingual subtitles with local video preview.
Text & WritingBilingual Terminology ConcordancerFind approved terms in aligned segments; review inconsistent translations.
Everyday CalculatorsBill of Materials PlannerExplode a single-level product recipe into purchasing quantities, pack-rounded shortages and material cost.
Developer & DataBinary API Payload Schema MapperDefine byte fields and test vectors; export parsers for a supported format subset.
Developer & DataBinary Bit WorkbenchInspect and transform binary values: count bits, invert, reverse or shuffle them, and convert unsigned binary numbers to base −2 negabinary.…
Developer & DataBinary Bit-Field ExtractorExtract contiguous bit fields from fixed-width words with explicit least-significant-bit numbering and signed or unsigned interpretations.
Developer & DataBinary Byte PatcherMake checked equal-length byte replacements in a separate file copy, with expected-byte validation, before/after hashes and reusable source-bound…
Developer & DataBinary Parity Generator & CheckerAppend even or odd parity bits to binary messages, or check complete codewords with explicit one-count and pass/fail reports.
Developer & DataBinary Run-Length Encoder & DecoderEncode bit strings as explicit JSON runs or decode validated runs with allocation limits and per-run inspection.
Everyday CalculatorsBingo Card GeneratorCreate numbered or custom-word 5×5 bingo cards for your group, with a free center.
Everyday CalculatorsBinomial Probability CalculatorCalculate the probability of exactly k successes in independent trials.
Developer & DataBit Rotation & Shift LabRotate fixed-width words or apply logical and arithmetic shifts, inspect dropped bits and compare binary, hex and decimal results.
Developer & DataBitmap Font Atlas PlannerEstimate glyph grid dimensions for a fixed-cell font atlas.
Audio & VideoBlank Music Staff Paper MakerCreate blank five-line music manuscript paper with adjustable staff count and optional bar divisions.
Everyday CalculatorsBlocked Randomization PlannerCreate reproducible, approximately balanced group assignments within manually supplied strata.
Developer & DataBlue-green Deployment RehearsalModel traffic shifts and rollback conditions; export scenario checklists.
Developer & DataBMP Bit Depth & Channel WorkbenchConvert BMP bit depths, inspect indexed palettes and create RGB/BGR raw pixel exports. Preview 1/4/8/16/24/32-bit results with dithering,…
Everyday CalculatorsBoard Game Component InventoryAudit game components against expected counts and produce replacement and spare-part lists by game.
Developer & DataBoard Game Rule Prototype RunnerModel turn phases and resources. Replay test sessions. Export rules and logs.
Everyday CalculatorsBoard Game Score AuditorReconcile category scores, multipliers and penalties across players, with ties, category totals and a transparent final ranking.
Images & DesignBook Cover Wrap DesignerCalculate panels from user-supplied spine and trim; preview bleed and safe areas.
Text & WritingBook Edition Difference ViewerCompare two editions with chapter context, traceable text differences and an editorial review log.
Text & WritingBook Front Matter BuilderBuild the opening pages of a book with editable layouts and print-friendly exports. Assemble title, dedication, acknowledgments and edition pages…
Text & WritingBook Index Term OrganizerMark supplied terms and aliases; group references; export an editorial index. Review existing Word files with editable decisions, structural…
Everyday CalculatorsBook Signature Page PlannerPlan complete signatures and blank pages for a booklet.
Everyday CalculatorsBook Spine Width EstimatorEstimate a book block’s spine thickness from pages and sheet caliper.
Text & WritingBook Timeline Continuity CheckerCheck your explicitly tagged story events for age changes, duration overlaps and chronological inconsistencies.
Everyday CalculatorsBookkeeping Ledger like QuickBooksFull workspaceFree small-business bookkeeping in your browser: record income and expenses, import bank CSV statements with auto column detection and duplicate…
Images & DesignBooklet Creep Compensation PlannerPreview progressive offsets using measured sheet thickness and signature structure.
Text & WritingBookmark Manager & Duplicate CleanerImport browser bookmarks, organize folders and tags, find duplicate destinations, preview tracking-parameter cleanup and export a clean browser…
Developer & DataBoolean Truth Table BuilderBuild an exhaustive Boolean truth table with explicit NOT, AND, XOR and OR precedence, without executing code.
Developer & DataBootstrap Confidence Interval LabBuild seeded bootstrap intervals and inspect the resampling evidence behind every estimate.
Everyday CalculatorsBorrowed Item Due-Date RegisterReview borrowed belongings and overdue returns against a date you choose.
Images & DesignBPG Image ConverterConvert supported still BPG images to PNG, JPEG or WebP locally with preview, transparency and adjustable export quality.
Audio & VideoBPM Delay Time CalculatorFind straight, dotted and triplet delay times at a musical tempo.
Text & WritingBraille Dot Pattern ConverterConvert dot-number groups into Unicode Braille cells, or decode Braille characters back into numbered dots and cell diagrams.
Developer & DataBraille Label Layout PreviewLay out user-supplied braille text and tactile clearances; export proof drawings for expert review.
Text & WritingBranching Scenario TesterTest decision flows, support scripts and branching stories for broken links, unreachable steps and loops. Walk through choices and export a linked…
Everyday CalculatorsBreak-even CalculatorEstimate units and revenue needed to cover fixed and variable costs.
Everyday CalculatorsBrick Wall Quantity EstimatorEstimate face brick count from wall area and mortar module dimensions.
Text & WritingBroadcast Cue Rundown EditorCompose ordered cues and timing dependencies. Preview transitions. Export operator sheets.
Text & WritingBroadcast Graphics Variant ManagerProduce name and language variants from CSV. Validate line fit and export assets.
Text & WritingBroadcast Ticker Message SchedulerPreview ordered messages, durations and overflow. Export a local ticker page.
Developer & DataBroken Shortcut Inventory ReaderInspect uploaded shortcut metadata safely; export targets without opening or executing them.
Developer & DataBrowser Compatibility Evidence MatrixTrack tested features, devices and known fallbacks; export a support statement.
Developer & DataBrowser Permission Request PlannerMap feature permissions to user actions and fallbacks; export a consent-flow specification.
Developer & DataBrowser Storage Footprint InspectorReview an exported storage manifest; identify large entries and retention concerns.
Developer & DataBSON Document ExplorerInspect bson document with typed values, byte locations and portable decoded exports.
Everyday CalculatorsBug Triage WorkbenchRank open issues by impact, reach, reproducibility and age while keeping effort and severity visible.
Developer & DataBulk URL Slug GeneratorCreate URL path slugs from a list of titles with accent cleanup, Unicode or ASCII mode, length limits, prefixes, duplicate suffixes and…
Text & WritingBulk Username FormatterTurn a list of names into consistent username drafts, with character rules, length limits, duplicate resolution and a row-by-row export.
Text & WritingBullet List Parallelism CheckerInspect opening forms, punctuation and item length across lists. Use your own input, a worked example and downloadable results.
Developer & DataBump Chart Rank StorytellerMake rank changes easy to follow with explicit tie rules, playable periods and exportable vector frames.
Everyday CalculatorsBuoyancy Force CalculatorCalculate buoyant force from displaced volume and fluid density.
Images & DesignBusiness Card DesignerDesign front and back business cards with editable text, colors and downloadable artwork.
Images & DesignBusiness Card Sheet ImpositionArrange duplex cards with trim marks; preview front-back registration and export proofs.
Text & WritingBusiness Proposal BuilderAssemble scope, deliverables, milestones and itemized pricing into a client proposal.
Developer & DataByte Endianness ConverterReverse bytes inside 16-, 32- or 64-bit words while retaining word order, with before/after hex tables.
Developer & DataByte XOR Mask WorkbenchApply a repeating hexadecimal XOR mask to bytes, inspect each offset and download the exact transformed binary file.
Developer & DataCache Header Regression ComparatorCompare resource headers across deployments; flag changed freshness and validation behavior.
Developer & DataCaddy Route Configuration BuilderCompose supported local route patterns; preview matching; export configuration.
Everyday CalculatorsCake Pan Batter ScalerScale batter between round pans by internal volume.
Developer & DataCalendar File BuilderCreate an importable calendar event with recurrence and a reminder. Review every occurrence before downloading the ICS file.
Developer & DataCalendar Heatmap ComposerSee daily patterns across years with separate treatments for missing days, zero and negative values.
Developer & DataCalendar Sharing Privacy CleanerRemove private details and attendees from ICS copies; preserve declared availability.
Everyday CalculatorsCalendar Weekday & Date Rule FinderFind Friday the 13th, nth or last weekdays, and fixed days of month within a date range, then export a result list or all-day calendar events.
Images & DesignCamera Crop Factor CalculatorCompare sensor diagonal and equivalent focal length against a reference format.
Images & DesignCamera Field of View CalculatorFind horizontal and vertical viewing angles from sensor dimensions and focal length.
Developer & DataCamera Follow Smoothing CalculatorCalculate frame-rate-aware exponential interpolation for camera following.
Everyday CalculatorsCampaign Asset TrackerTrack asset production stages, approvals, owners and launch readiness across campaign channels.
Everyday CalculatorsCamping Food Weight PlannerBuild a group food manifest from labeled portions, pack weights and energy values, including a configurable extra-food allowance.
Developer & DataCanary Rollout Decision SimulatorApply declared metric gates to supplied time series; inspect promote or rollback decisions.
Everyday CalculatorsCandle Wax PlannerEstimate wax and fragrance mass from your container capacity and chosen density.
Developer & DataCanonical Conflict AnalyzerCompare canonical, redirect and sitemap signals from imported crawls; export contradictions.
ConvertersCapacitance ConverterConvert farads and common capacitor-value prefixes in mixed-unit batches.
Everyday CalculatorsCapacitor Energy CalculatorCalculate ideal stored energy and charge from capacitance and voltage.
Audio & VideoCapo Arrangement AssistantCompare transposed chord shapes and vocal keys. Export performer sheets.
Everyday CalculatorsCapsule Volume CalculatorCalculate a cylinder with two hemispherical ends.
Everyday CalculatorsCapsule Wardrobe Outfit PlannerCount compatible top, bottom and shoe combinations by occasion and identify pieces that contribute to the most outfits.
Text & WritingCaption Accessibility ReviewCheck meaningful sound labels, speaker cues and placement; export manual review findings.
Text & WritingCaption File Batch PreflightCheck encodings, timebases, names and declared language tags across deliveries.
Text & WritingCaption Font Coverage ProofCheck all subtitle characters against supplied fonts. Export missing-glyph reports.
Developer & DataCaption Language Track Manifest BuilderList languages, roles and file relationships; export delivery manifests. Use your own input, a worked example and downloadable results.
Text & WritingCaption Non-speech Sound EditorAdd meaningful sound cues and music labels. Export accessible timed text.
Text & WritingCaption Placement Collision CheckerCompare cue boxes with marked visual regions. Preview occlusion. Export placement fixes.
Text & WritingCaption Quality Review ScorecardRecord human errors by category and severity. Export evidence-linked QA summaries.
Text & WritingCaption Reading Pace HeatmapVisualize sustained reading load and scene density. Propose review intervals.
Text & WritingCaption Review Assignment PackagerSplit review ranges among reviewers. Merge returned corrections with conflict detection.
Text & WritingCaption Safe-area Layout DesignerSet styles and screen regions. Preview multiple aspect ratios. Export supported styling.
Everyday CalculatorsCard Deck Cost Curve AnalyzerInspect a deck’s cost curve, card-type balance and opening-hand expectations from your own card list.
Everyday CalculatorsCard Draw Probability LabCompare the chances of drawing target card groups from a finite deck, with expected copies and complete marginal probability tables.
Developer & DataCard Game Deck Data ValidatorCheck references, tags and declared deck restrictions. Export valid lists and rule failures.
Developer & DataCartogram Comparison LabCompare geographic outlines with population-scaled circles and see how the cartogram distorts position.
Developer & DataCategorical Association ExplorerExplore contingency counts, expected frequencies, residuals and association strength with sparse-cell warnings.
Developer & DataCBOR Diagnostic WorkbenchInspect cbor diagnostic with typed values, byte locations and portable decoded exports.
Developer & DataCDN Cache Savings CalculatorEstimate origin traffic reduction from cache hit rate.
Everyday CalculatorsCentripetal Acceleration CalculatorCalculate acceleration and force for uniform circular motion.
Audio & VideoCents Detune CalculatorMeasure pitch difference between two frequencies.
Images & DesignCertificate MakerDesign personalized certificates, edit typography and colors, and export PNG or printable PDF.
Developer & DataCertificate Renewal Calendar BuilderRead public certificate expiry dates; export reminders and responsible-owner lists. Use local file input, a worked example and downloadable results.
Developer & DataCertificate Signing Request InspectorRead public CSR fields and requested extensions; export a review summary.
Everyday CalculatorsChange Request Impact PlannerEvaluate change requests against remaining effort and budget, with separate proposed and approved totals.
Developer & DataChangelog Assembly from CommitsGroup imported commits with editorial review; link issues; export release notes.
Audio & VideoChapter Timestamp NormalizerTurn timestamped chapter titles into non-overlapping chapter ranges, WebVTT chapters, FFmetadata and a clean description list.
Developer & DataCharacter Blink and Idle SchedulerCreate seeded nonuniform idle events. Preview combinations. Export timed schedules.
Passwords & GeneratorsCharades GeneratorGenerate random charades prompts from 240 cards in eight packs. Play timed team rounds, filter difficulty, add custom words and export printable…
Developer & DataChart Alt Text Draft AssistantDraft and review chart descriptions from supplied metadata, data ranges and the context you provide.
Images & DesignChart Annotation Layer MakerAdd callouts, ranges and notes to an uploaded chart without altering underlying claims. Use local file input, a worked example and downloadable…
Developer & DataChart Axis Honesty CheckerReview pasted axis settings; flag truncated baselines and incompatible comparisons. Use your own input, a worked example and downloadable results.
Developer & DataChart Color Assignment ManagerKeep category colors stable across charts and data order, with contrast evidence and reusable palette exports.
Text & WritingChart Dashboard BuilderTurn CSV data into customizable bar, line and pie charts with summary statistics and SVG export.
Developer & DataChat Export Privacy RedactorProcess supported local exports; pseudonymize participants; retain a reversible map only by choice.
Developer & DataChecksum Manifest VerifierCreate and verify batch SHA-256, SHA-384 and SHA-512 file manifests locally, reporting missing, changed, extra and duplicate paths.
Developer & Datachmod Permission CalculatorConvert Unix read, write and execute checkboxes into octal chmod permissions and symbolic notation. Inspect owner, group and others with a command…
Audio & VideoChoir Pronunciation Annotation SheetAttach user-supplied phonetics and breath marks to lyrics. Export rehearsal notes.
Everyday CalculatorsChoir Rehearsal PlannerEstimate repeated musical passage time, instruction breaks and section-focused rehearsal workload.
Everyday CalculatorsChord & Sagitta CalculatorFind a circle’s radius from chord width and arc rise.
Audio & VideoChord Chart Formatting WorkbenchAlign chord symbols over supplied lyrics. Transpose consistently. Export printable charts.
Audio & VideoChord Pitch Set IdentifierIdentify exact pitch-class matches against common chord templates, including alternative roots and bass interpretations.
Audio & VideoChord Progression Voice-leading LabCompare inversions and movement. Audition alternatives. Export MIDI examples.
Developer & DataChord Relationship Diagram BuilderExplore weighted category connections with incident-total arcs and a readable relationship table.
Audio & VideoChord Voicing Shape LibraryCreate explicit string-tuning and fret diagrams, audition the resulting pitches and export your voicing reference.
Developer & DataChromatic Aberration Alignment ToolAdjust color-channel offsets near edges; inspect magnified before-after views.
Everyday CalculatorsCircle Segment CalculatorFind the area and chord of a circular segment from its radius and central angle.
Text & WritingCitation Manager & Bibliography GeneratorFull workspaceOrganise research sources and make bibliographies in APA 7, MLA 9, Chicago, Harvard, IEEE and Vancouver. Import BibTeX, RIS and CSL-JSON, add…
Text & WritingCitation Quote Accuracy ComparatorCompare supplied quotation and source excerpts; highlight omissions and altered wording.
Passwords & GeneratorsClassroom Exit Ticket GeneratorCreate reflective exit-ticket prompts tied to a lesson topic and response format.
Everyday CalculatorsClassroom Group BalancerCreate similarly sized classroom groups while spreading teacher-entered readiness scores across teams.
Passwords & GeneratorsClassroom Seating Assignment GeneratorAssign a roster to numbered rows and columns, with an optional list of blocked seats.
Everyday CalculatorsClassroom Station Rotation PlannerBuild a station rotation timetable with group-size checks, activity time and transition breaks.
Developer & DataCLI Argument Schema DesignerDefine options and constraints; generate help text and parser test vectors.
Developer & DataClient Error Fingerprint GrouperNormalize sanitized error logs; cluster stack patterns; compare release regressions.
Developer & DataClock Drift SynchronizerAlign recording and sensor timestamps using matching reference events, linear clock drift or piecewise correction. Inspect residuals and export…
Everyday CalculatorsClock Hand Angle VisualizerVisualize hour and minute hand geometry with seconds, smaller and reflex angles, adjustable clock styling and PNG or SVG export.
Everyday CalculatorsClock Time Rounding & TruncationRound clock times to a chosen seconds interval using nearest, floor or ceiling, with midnight carry, adjustment reports and batch CSV or JSON export.
Developer & DataCloud Resource Tag Coverage AuditInspect inventory exports; find missing tags and ownership; export remediation CSV.
Images & DesignCNC Drill Template ComposerPlace hole patterns with dimensions; export SVG/DXF templates for supervised machining.
Developer & DataCode Complexity Trend ViewerCompare supplied snapshots using documented metrics; highlight functions requiring review.
Developer & DataCode Coverage Merge and ExplorerMerge compatible coverage files; inspect uncovered branches; export a report.
Developer & DataCode Ownership Coverage AnalyzerMatch uploaded paths to ownership rules; find gaps and conflicting reviewers.
Developer & DataCode PlaygroundFull workspaceWrite HTML, CSS and JavaScript online with a live preview and console. Multi-file projects, syntax highlighting, phone/tablet preview, templates,…
Developer & DataCode Snippet Embedding BuilderRender readable syntax-highlighted snippets with captions and copy controls. Use your own input, a worked example and downloadable results.
Developer & DataCODEOWNERS Builder & CheckerClean and inspect GitHub-style file ownership rules, owner syntax and rule order before adding them to your repository.
Everyday CalculatorsCoffee Brew Ratio CalculatorPlan coffee and water quantities from a brew ratio.
Everyday CalculatorsCoffee Roast Blend PlannerScale a post-roast blend, account for origin-specific roast loss and calculate green-bean requirements, shortages and cost.
Text & WritingCognitive Load Form SimplifierGroup long forms into steps; preview instructions and progress; export a prototype.
Everyday CalculatorsCoin Metal Content InventoryTotal the stated metal content of a collection and compare an entered metal price with acquisition costs.
Everyday CalculatorsCollection Condition RegisterPrioritize collection inspections using recorded condition, handling frequency and inspection intervals.
Developer & DataColor Checker Calibration AssistantMark known chart patches; fit bounded corrections; export profiles with limitations.
Developer & DataColor Contrast CheckerCheck WCAG2.2 color contrast with transparent layers, text-size previews, batch comparisons and suggested color adjustments. Copy CSS variables or…
Images & DesignColor Format Converter ToolConvert CSS colors with transparency, explore gradients and palettes, and compare WCAG text contrast on a chosen background. Local processing with…
Images & DesignColor Ramp InterpolatorInterpolate two RGB colors into an exportable palette using direct sRGB or linear-light RGB blending.
Developer & DataColor-only Meaning Detector ChecklistMap semantic states to colors and redundant labels; flag unsupported distinctions. Use your own input, a worked example and downloadable results.
Developer & DataColumn Header Semantic MapperBring differently named columns into a canonical schema using aliases you can inspect and reuse.
Developer & DataCombat Damage Formula LabCompare user-authored bounded formulas. Visualize breakpoints. Export test vectors.
Everyday CalculatorsCombination CalculatorCount unordered selections without replacement.
Passwords & GeneratorsCombination List GeneratorEnumerate unordered selections from distinct labels, with bounded output and downloadable tables.
Images & DesignComic Dialogue Budget PlannerReview panel dialogue against balloon and panel budgets while allowing more breathing room for visually busy panels.
Images & DesignComic Strip MakerArrange image panels and captions into a comic strip with adjustable rows, spacing and export.
Developer & DataCommand Palette Component BuilderDefine commands and shortcuts; preview search and keyboard selection; export code.
Text & WritingCommunication Choice Board MakerCreate user-authored symbol boards with keyboard navigation and printable versions.
Everyday CalculatorsCommunity Cleanup Team PlannerEstimate volunteer effort by cleanup zone and compare the crew requirement with available people.
Everyday CalculatorsCommunity Room Booking CheckerCheck room bookings for schedule collisions, setup/cleanup overlaps and entered occupancy limits.
Everyday CalculatorsCommunity Tool Lending QueueSchedule dated borrowing requests against a limited number of copies per tool, with queue delays and a clear handover calendar.
Everyday CalculatorsCommute Time BudgetCompare weekly and annual time spent commuting.
Everyday CalculatorsComplex Number WorkbenchCompare arithmetic results for two complex numbers and inspect their magnitudes and phases.
Developer & DataComponent API Documentation BuilderDocument props, events and slots with editable examples; export standalone reference pages.
Developer & DataComponent Content Stress TesterInject long labels, empty data and RTL strings into local component previews.
Everyday CalculatorsCompost Mix Volume PlannerDivide a target compost mix by a volume ratio you supply.
Everyday CalculatorsCompound Interest CalculatorEstimate compound interest and savings growth with a starting balance, monthly contributions and an assumed annual rate.
Audio & VideoCompressed Audio Size EstimatorEstimate audio file size from bitrate and duration.
Developer & DataCompression Savings Proof ToolCompare actual local compression outputs and ratios for user-supplied web assets.
Everyday CalculatorsConcert Backline ManifestCompare equipment needs with owned stock, calculate hire costs and assemble transport totals by department.
Everyday CalculatorsConcrete Volume CalculatorEstimate concrete volume for a rectangular slab or cylindrical fill. Enter your dimensions and review the quantity before ordering.
Everyday CalculatorsCone Volume CalculatorFind a cone’s volume, slant height and surface area.
Passwords & GeneratorsConference Badge Data GeneratorCreate badge-ready records from attendee names, roles and event information.
Everyday CalculatorsConference Session SchedulerValidate a multi-room agenda for room collisions, speaker double-booking and turnover gaps.
Developer & DataConfiguration Precedence SimulatorModel defaults, files and overrides; explain final values with provenance.
Developer & DataConnected Scatterplot Story BuilderFollow an ordered trajectory through two measures with arrows, labels and explicit chronology.
Everyday CalculatorsConstant Acceleration Distance CalculatorFind displacement and final velocity under constant acceleration.
Developer & DataContact Export Privacy CleanerSelect fields and groups to share; preview removed notes and identifiers; export vCard copies.
Developer & DataContainer Compose Migration AssistantCompare supported schema versions; rewrite deprecated fields; preview unresolved settings.
Everyday CalculatorsContainer Fill Percentage CalculatorCalculate fill level and remaining capacity for a straight-sided container.
Developer & DataContainer Image Manifest ExplorerInspect supplied OCI metadata; show layers, architectures and declared provenance.
Developer & DataContent Cannibalization ReviewCompare query-page overlap over time; flag competing candidates for manual investigation.
Text & WritingContent Reuse Attribution TrackerTrack excerpt origins and permissions; export a source and reuse ledger.
Developer & DataContent Security Policy BuilderDraft a Content Security Policy from readable directives, inspect source lists and review notes, and export response-header, Nginx, Apache or…
Developer & DataContent Update Evidence LogTrack substantive changes, sources and reviewer dates; export an editorial history.
Images & DesignContent-aware Seam Carving ResizerRemove low-energy pixel paths instead of uniformly shrinking an image, preview the result and compare it with the untouched source.
Text & WritingControlled Vocabulary Document TaggerTurn your own subject vocabulary into a reviewable, searchable document manifest. Apply user-defined subject tags; review matches; export a…
Developer & DataConventional Commit Message CheckerValidate messages against chosen rules; explain failures; export a release grouping. Use your own input, a worked example and downloadable results.
Developer & DataConversion Funnel Leakage AnalyzerCompare sequential funnel counts, locate the largest absolute and relative drop, and estimate a single-step improvement scenario.
SimulationsConway's Game of Life OnlinePlay Conway's Game of Life: draw cells, place gliders, guns and spaceships, change the rules (HighLife, Seeds, Day & Night), import and export…
Developer & DataCookie Consent Inventory ReviewerClassify supplied cookie descriptions and purposes; export a review worksheet, not legal certification.
ConvertersCoordinate ConverterConvert latitude and longitude between decimal degrees and degrees, minutes and seconds.
Developer & DataCorrelation Matrix DiagnosisInspect linear or rank relationships with visible sample counts and a deliberate missing-data policy.
Developer & DataCORS Policy Scenario TesterSimulate origins, credentials and preflights; explain accepted and rejected configurations.
Everyday CalculatorsCostume Change PlannerCheck quick-change windows against wardrobe and travel time, with performer-level conflict summaries.
Text & WritingCountdown Broadcast Overlay BuilderDesign timed overlays with pause and reset states. Export a standalone browser source.
Everyday CalculatorsCountdown TimerCreate a live countdown to a date and time on your device. See the remaining time and use an editable example.
Everyday CalculatorsCounter & Score KeeperKeep multiple tallies or a simple scoreboard with targets, adjustable steps, undo, optional shortcuts, device saving and CSV/JSON export.
Passwords & GeneratorsCounterbalanced Order GeneratorCreate cyclic Latin-square task orders so every condition appears once in each position.
Passwords & GeneratorsCoupon Code GeneratorCreate unique-in-batch promotion codes with a prefix, readable alphabet and downloadable code list.
Everyday CalculatorsCourse Curriculum PlannerBuild a sequenced curriculum with prerequisite validation, study hours and capacity-based study-day assignments.
Text & WritingCover Letter BuilderWrite a tailored cover letter with reusable sections, employer details and print-ready layout.
Text & WritingCover Sheet and Separator MakerBuild numbered separators with section titles and print-ready tabs. Use your own input, a worked example and downloadable results.
Images & DesignCraft Bundle Price ComparerCompare a bundle price with separate-item revenue, material costs and packaging across an entered production quantity.
Everyday CalculatorsCraft Market Profit PlannerModel a craft fair’s expected sales, card fees, stock cash outlay and profit under your own sell-through assumptions.
Developer & DataCrawl Budget Waste ExplorerAnalyze imported request counts and parameters; identify repetitive low-value URL patterns.
Developer & DataCrawl Depth VisualizationBuild a link graph from supplied edges; show depth and unreachable components.
Developer & DataCrawler Log Classification WorkbenchImport sanitized logs; group declared agents and paths; avoid asserting bot identity from names.
Developer & DataCritical CSS Candidate ExtractorUse supplied coverage and HTML; preview candidate rules with explicit viewport limitations.
Everyday CalculatorsCritical Path Task PlannerCalculate dependency-based early/late task times, slack and critical tasks for a small finish-to-start project.
Developer & DataCritical Request Chain MapperMap declared request dependencies, diagnose cycles and missing parents, inspect controlling chains and compare proposed loading scenarios with…
Everyday CalculatorsCrochet Blanket Stitch PlannerPlan blanket repeats from your measured repeat width and row height.
Developer & DataCron Schedule StudioBuild five- or six-field cron expressions, preview next or previous runs across timezones, compare schedules and export CSV, JSON or calendar events.
Developer & DataCross-platform Filename SanitizerResolve reserved names, normalization and trailing characters; export reversible mappings.
Text & WritingCrossword Puzzle MakerTurn your own words and clues into an interlocking crossword. Try alternate layouts, solve in the browser and download printable puzzles, answer…
Passwords & GeneratorsCSP Nonce Example GeneratorCreate matching CSP header and script-tag examples using a fresh random nonce.
Developer & DataCSP Violation Report AnalyzerGroup uploaded reports; map directives and sources; flag expected extension noise.
Developer & DataCSS Anchor Positioning PreviewerModel anchored popovers with fallback positions; export compatibility-aware examples.
Developer & DataCSS Animation GeneratorCreate bounce, slide, fade, zoom, spin and swing CSS animations. Preview playback and timing, scrub the first iteration and export…
Developer & DataCSS Box Shadow & Border Radius GeneratorDesign layered inset and outer box shadows, four corner radii, borders and colors with live previews. Copy or download CSS in pixels or rem units.
Developer & DataCSS Clip-path GeneratorCreate responsive polygon clip paths with editable points, geometry undo and live image previews. Export CSS, SVG silhouettes, clipped PNGs and…
Developer & DataCSS Color ExtractorExtract explicit color tokens from CSS declarations, inspect where they occur and export a reusable CSS variable palette with a source audit.
Developer & DataCSS Container Query PlaygroundPreview component behavior inside varying containers; export supported query rules.
Developer & DataCSS Coverage Cleanup PlannerReview CSS coverage across multiple runs, inspect unused rule candidates, preview staged removals and export original/proposed CSS with a decision…
Developer & DataCSS Cubic Bézier EditorDesign CSS easing curves with a plotted graph, editable control points, animated motion preview and reusable transition CSS. Try standard or…
Developer & DataCSS Custom Property ExplorerTrace CSS variable definitions, var() uses and nested fallbacks. Review missing source declarations, unreferenced names and potential dependency…
Images & DesignCSS Filter PlaygroundBuild reusable CSS filters with live image comparison, adjustable presets, filter ordering, local image previews and CSS or JSON settings exports.
Developer & DataCSS Flexbox PlaygroundExplore Flexbox direction, wrapping, alignment and grow/shrink sizing with an adjustable preview. Export CSS, a standalone HTML demo or reusable…
Developer & DataCSS Font Source AuditorInventory @font-face declarations, source URLs, local names, formats, weights and display settings without downloading fonts.
Developer & DataCSS Gradient GeneratorCreate linear, radial and conic gradients with editable color stops, positions, opacity and presets. Copy CSS or export a PNG and settings JSON.
Developer & DataCSS Grid Layout GeneratorCreate equal-column, sidebar and auto-fit card layouts with a responsive preview. Copy CSS, download a working HTML demo and save reusable grid…
Developer & DataCSS Layer Architecture PlannerGroup rules into cascade layers; preview override order and migration effects.
Developer & DataCSS Logical Property MigratorConvert supported physical properties to logical equivalents; show directional behavior changes. Use your own input, a worked example and…
Developer & DataCSS Mask Layer DesignerCompose supported gradients and SVG masks; preview alpha; export CSS and SVG.
Developer & DataCSS Media Rule SplitterExtract top-level media-query blocks into separate stylesheets and keep the remaining top-level rules together for review.
Developer & DataCSS Minifier & BeautifierMinify, beautify and check CSS syntax locally with parser-based processing, license comment controls, accurate rule statistics and CSS exports.
Developer & DataCSS Print Stylesheet DesignerPreview document-specific print rules; control breaks and hidden navigation.
Developer & DataCSS Selector Impact InspectorMatch selectors against pasted HTML; expose breadth and unintended targets.
Developer & DataCSS Shape Text Wrap DesignerPreview shape-outside contours and text flow; export shapes and fallback layouts.
Developer & DataCSS Specificity CalculatorCalculate CSS selector specificity, inspect contribution explanations and sort comma-separated selectors. Supports modern is, where, has, not and…
Developer & DataCSS Stacking Context VisualizerExplain stacking contexts from supplied DOM/CSS; identify why z-index fails. Use your own input, a worked example and downloadable results.
Developer & DataCSS Subgrid Layout DesignerAlign nested rows and columns; visualize track inheritance; export examples.
Developer & DataCSS Unit Resolution ExplorerCompare rem, em, viewport and container units under controlled contexts. Use your own input, a worked example and downloadable results.
Developer & DataCSS Variable Dependency AuditorTrace custom-property references, fallback usage, missing variable names and dependency cycles in a stylesheet.
Developer & DataCSV & TSV Matrix TransposerSwap CSV rows and columns with quoted-cell parsing, explicit uneven-row padding and complete string-matrix exports.
Developer & DataCSV ↔ GeoJSON Point ConverterConvert coordinate rows to a GeoJSON point collection and back while preserving scalar properties.
Developer & DataCSV ↔ XML Records ConverterConvert quoted CSV to a structured XML record table and import the same XML structure with a column audit.
Developer & DataCSV Adjacency List BuilderConvert source-target CSV edges into an inspectable adjacency list with optional weights and undirected links.
Developer & DataCSV Data ProfilerProfile CSV tables locally for missing values, duplicates, column types, distinct values and uneven rows. Export a data-quality report without…
Developer & DataCSV Duplicate Header CheckerFind duplicate and blank CSV column names before importing data into another application.
Text & WritingCSV Excel Round-trip TesterPreview common CSV coercion risks before moving workbook values through plain text.
Developer & DataCSV Formula SanitizerFind spreadsheet formula-like cells and create a quoted CSV copy with apostrophe-prefixed values and an affected-cell report.
Developer & DataCSV Group & SummarizeGroup CSV/TSV rows by up to three fields. Calculate counts, exact decimal sums, means and extrema locally, inspect a table and export CSV/JSON…
Developer & DataCSV Incomplete Record RepairInspect uneven CSV records and pad missing trailing cells without dropping extra fields, with a record-level repair audit.
Developer & DataCSV Mapping Recipe RunnerReuse a JSON recipe to rename, reorder, select and transform CSV columns. Prepare a starting mapping, apply safe text steps, preserve text IDs and…
Developer & DataCSV Pivot TableBuild a CSV cross-tab with row and column categories, exact decimal sums, weighted means, counts, extrema and marginal totals. Export CSV and JSON…
Developer & DataCSV ReconciliationCompare two table versions by a stable key. Separate added, removed and changed records without confusing row movement with edits.
Developer & DataCSV Record Slice ExtractorExtract inclusive CSV record ranges with stepping, optional header preservation and source-record tracking for quoted multiline data.
Developer & DataCSV Redaction & Pseudonym WorkbenchRemove CSV columns, redact selected values, mask identifiers or generate deterministic HMAC-SHA256 pseudonyms locally, with previews and export…
Developer & DataCSV Run-Length EncoderSummarize consecutive repeated CSV values as runs with first/last data-row numbers and run lengths.
Developer & DataCSV Schema Contract CheckerValidate CSV columns against an explicit contract with types, required values, numeric ranges, allowed values and uniqueness rules.
Text & WritingCSV SQL Query WorkbenchLoad CSV tables into a temporary local SQL workspace, join and summarize them, and export query results.
Developer & DataCSV to Calendar Event ConverterTurn UTC-timed CSV events into an iCalendar file with descriptions, locations and stable event identifiers.
Developer & DataCSV to GPX Waypoint ConverterCreate a GPX 1.1 waypoint file from a CSV location list with names and optional elevations.
Developer & DataCSV to JSON & JSON to CSV ConverterConvert CSV and JSON locally with delimiter controls, exact number handling, table previews, clear errors and file exports. Includes examples and…
Developer & DataCSV to KML Point ConverterCreate named map placemarks with validated WGS84 coordinates, altitude settings and escaped descriptions.
Developer & DataCSV to LaTeX Table ConverterBuild escaped LaTeX tables from CSV with alignment, captions, labels and longtable output.
Developer & DataCSV to vCard Contact ConverterBuild a multi-contact vCard 4.0 file with mapped names, email, telephone and organization fields.
Images & DesignCubemap Face Atlas BuilderArrange six square face images into a cubemap cross or strip, with an explicit face order and exported layout coordinates.
Audio & VideoCUE Sheet InspectorInspect track offsets, 75-frame timing and inferred durations from a CUE sheet.
ConvertersCurrency ConverterConvert currencies using dated daily reference rates, cross-rates, arithmetic and target amounts. Includes cache status, provider attribution and…
Everyday CalculatorsCurtain Fabric PlannerEstimate curtain fabric length from width, fullness and hem allowances.
Everyday CalculatorsCurve Fitting WorkbenchCompare linear, quadratic, cubic, exponential, power and logarithmic fits with residual plots, error metrics, equations and editable data.
Everyday CalculatorsCustomer Feedback PrioritizerGroup manually tagged feedback into themes and compare frequency, pain and evidence confidence.
Images & DesignCutting Mat Registration LayoutArrange print-and-cut assets within declared machine registration limits.
Everyday CalculatorsCylinder Capacity CalculatorFind cylindrical container capacity and surface area.
Everyday CalculatorsDance Formation Spacing PlannerMap performers onto stage grid positions and identify pairs below a chosen spacing threshold.
Developer & DataData Cleaning & Conversion WorkbenchFull workspaceClean and combine CSV, Excel, JSON and XML tables locally. Preview transformations, join datasets, pivot, validate, edit cells, save projects and…
Developer & DataData Dictionary BuilderBuild a useful field reference with measured counts, examples, ownership, units and allowed values.
Developer & DataData Export Contract TesterTest a local export against the receiving system’s field, type and unique-key expectations before sending it.
Text & WritingData Figure Caption BuilderCombine sample, units, method and source fields into complete editable captions. Use your own input, a worked example and downloadable results.
Developer & DataData Import Error Repair AssistantTurn a failed import into a traceable retry file: match error rows, approve corrections and keep unresolved errors visible.
Developer & DataData Lineage Manifest GeneratorKeep source fingerprints, declared transformations and output relationships in one portable lineage manifest.
Developer & DataData Minimization Field ReviewerMap every form field to a stated purpose; flag unnecessary or duplicate collection.
Developer & DataData Null Policy NormalizerSeparate empty strings, missing properties and sentinel values before standardizing selected fields to null.
Developer & DataData Redaction Consistency TesterCompare original and redacted tables for exposed values, inconsistent pseudonyms and broken correspondence.
Developer & DataData Retention Policy SimulatorApply user-defined retention rules to inventory exports; preview keep/review/delete classifications.
Developer & DataData Sampling Bias ExplorerCompare a sampled distribution against a supplied reference without pretending the gaps explain their cause.
Developer & DataData Size & Transfer Time CalculatorEstimate file download, upload and backup times. Convert decimal/binary sizes, compare connection speeds, account for efficiency and calculate a…
Developer & DataData Type Casting PreviewerSee every successful conversion and failed cell before exporting a typed dataset.
Developer & DataDatabase Constraint Test GeneratorGenerate valid and invalid insert cases from supported schema constraints.
Developer & DataDatabase Migration Script ReviewerInspect supported statements; flag destructive changes; generate manual verification steps.
Developer & DataDatabase Row Storage EstimatorEstimate table storage from row size and supplied index allowance.
Developer & DataDatabase Seed Order PlannerTopologically order table inserts; detect cycles; export dependency-aware seed manifests.
Developer & DataDataset License Metadata EditorAttach supplied license, attribution and usage notes to a dataset manifest. Use your own input, a worked example and downloadable results.
Developer & DataDataset Sample Bundle MakerSelect representative valid and invalid rows; package schemas and import examples. Use your own input, a worked example and downloadable results.
Developer & DataDataset Split and Holdout BuilderMake reproducible training, validation and holdout files while keeping related records together.
Everyday CalculatorsDate Difference & Working DaysCount calendar days and working days between two dates. Choose working weekdays and exclude your own holiday dates.
ConvertersDate List Converter & ValidatorConvert lists of calendar dates between ISO, day/month/year and month/day/year formats. Flag invalid dates, weekdays and repeated dates without…
Everyday CalculatorsDate Sequence & Schedule GeneratorGenerate anchored day, week, month or year date sequences with leap-day handling, explicit missing-day policies and JSON, CSV or all-day calendar…
Developer & DataDead Export Candidate FinderTrace static references within uploaded files; flag dynamic-import limitations.
Passwords & GeneratorsDebate Motion GeneratorBuild classroom debate motions with an audience and a balanced preparation task.
Everyday CalculatorsDebt Payoff CalculatorEstimate how long fixed monthly payments take to repay a debt, including an assumed interest rate and payoff timeline.
Audio & VideoDecibel Amplitude Ratio CalculatorTranslate an amplitude gain in decibels to a linear multiplier.
Developer & DataDecision Tree Explanation BuilderTurn conditions and outcomes into a readable explanatory tree and an editable poster.
Everyday CalculatorsDeck Board PlannerEstimate parallel decking boards with spacing and extra allowance.
Developer & DataDelaunay Low-poly Image DesignerChoose sample points and color regions; preview facets; export vector artwork.
Developer & DataDelimiter Detection and Repair LabCompare CSV dialects side by side, inspect malformed records and export a documented import profile.
Developer & DataDelivery Window Slack CheckerWalk through a fixed stop sequence, include travel and service time, and reveal waiting, completion slack and late finishes.
ConvertersDensity ConverterConvert material density between SI, gram-based and imperial mass-per-volume units.
Developer & DataDependency License Review BoardInspect supplied license manifests; track review decisions without offering legal conclusions.
Developer & DataDependency Upgrade Risk WorksheetCompare manifests and supplied changelog notes; track breaking-change review decisions.
Developer & DataDeployment Checklist Difference ViewerCompare checklist revisions; highlight removed safeguards and unresolved approvals. Use your own input, a worked example and downloadable results.
Developer & DataDesign Tokens & Theme WorkbenchFull workspaceBuild a reusable design system with typed tokens, light and dark themes, references, component previews, palette and type scales, contrast checks…
Everyday CalculatorsDevice Storage Cleanup PlannerCompare manual cleanup candidates by space recovered and time required, then build a priority list toward a storage target.
Developer & DataDiagram & Flowchart StudioFull workspaceCreate Mermaid flowcharts, sequence diagrams, database relationships, timelines and mind maps with templates. Preview locally and export SVG, PNG…
Developer & DataDialogue Localization Export PipelineExtract game dialogue keys and context. Merge translations. Validate placeholders and choices.
Text & WritingDialogue Punctuation CheckerInspect quotation boundaries and punctuation conventions in context, then approve your own corrections.
Text & WritingDialogue Script FormatterTurn speaker-labelled lines into a readable dialogue script and an exportable turn-by-turn table.
Audio & VideoDialogue Take Comparison BoardSynchronize recorded takes. Mark preferred phrases. Export an edit decision list.
Text & WritingDialogue-to-Narration Balance ViewerMeasure quoted and narrative spans using configurable conventions; show per-chapter ratios. Use your own input, a worked example and downloadable…
Everyday CalculatorsDice Pool Success LabCompare independent dice pools with per-die success thresholds and the chance of reaching a required success count.
Everyday CalculatorsDice RollerRoll d4 to d100 or custom dice, lock and reroll selected dice, use advantage and disadvantage, save favorite setups and export roll history.
Images & DesignDie-cut Outline Offset ToolOffset a strictly convex polygon in millimeters. Compare the source and die-cut contour, then export a measured SVG proof.
Text & WritingDigit Manipulation WorkbenchReverse decimal or hexadecimal digits, or shift each digit independently with wrapping. Preserve leading zeros, signs and optional hexadecimal…
Passwords & GeneratorsDigital Clock Image GeneratorCreate a static digital clock graphic for thumbnails, presentations and mockups. Choose 12/24-hour time, seconds, a caption, colors and SVG or PNG…
Developer & DataDigital Collection Provenance EditorRecord origin, transformations and custody; export portable metadata sidecars.
Developer & DataDigital Estate File GuideDocument locations and access procedures without collecting credentials; export an offline guide.
Developer & DataDigital Photo Chronology RepairCompare timestamps and user anchors; preview corrected ordering with provenance notes.
Everyday CalculatorsDimensional Weight CalculatorCompare actual and volumetric shipping weight for one or many packages, with custom divisors, rounding, quantity totals and exportable results.
Passwords & GeneratorsDinner Conversation Rotation GeneratorBuild round-robin conversation pairings with a bye when the group has an odd size.
Developer & DataDisaster Recovery Runbook BuilderDefine recovery steps and evidence; simulate dependencies; export printable runbooks.
Everyday CalculatorsDiscount CalculatorCalculate a sale price with two successive discounts, quantity and an optional entered tax rate. See savings and the effective combined discount.
Everyday CalculatorsDiscrete Convolution & CorrelationCalculate linear discrete convolution or unnormalized cross-correlation for two real sample sequences.
Developer & DataDisk Image File Inventory ComparatorCompare extracted manifests across images; identify changed assets and metadata.
Developer & DataDistribution Comparison ExplorerCompare two groups using cumulative distributions, quantiles and directly interpretable differences.
Developer & DataDNS Migration Record ComparatorCompare zone snapshots; match required records; export a change and verification checklist.
Developer & DataDNS Zone File InspectorParse supplied records; flag syntax, conflicting aliases and stale metadata without live lookup.
Developer & DataDocker Compose InspectorExplore service images, ports, dependencies and runtime settings in local Compose YAML.
Developer & DataDockerfile InspectorInspect build stages and instructions, mutable image tags, user settings and possible secret-related declarations.
Text & WritingDocument Attachment Package BuilderCollect document sources and their supplied attachments into one documented delivery ZIP. Gather referenced files; detect missing attachments;…
Developer & DataDocument Bleed-through ReductionCompare front/back scans or local tone filters; preview text preservation.
Text & WritingDocument Citation Placeholder CheckerFind citation keys without references—and bibliography entries that were never cited. Find unmatched citation keys and bibliography entries…
Text & WritingDocument Claim Evidence RegisterTrack factual claims, supplied references, verification status and unresolved evidence in a portable review register.
Text & WritingDocument Cross-reference Repair PlannerLocate broken references; propose anchor mappings; export a repair checklist. Review existing Word files with editable decisions, structural…
Text & WritingDocument Figure Caption ManagerReview illustrations, add consistent captions and export a traceable figure list. Link illustrations and captions; renumber safely; export a…
Text & WritingDocument Filename Metadata MapperMap uploaded filenames to titles and versions; export a document register. Use local file input, a worked example and downloadable results.
Text & WritingDocument Image Resolution AuditInventory embedded pictures; compare effective print size; flag undersized images. Review existing Word files with editable decisions, structural…
Text & WritingDocument Language Tag EditorReview paragraph language tags; apply overrides; export tagged DOCX copies. Review existing Word files with editable decisions, structural…
Text & WritingDocument Page Break InspectorList manual breaks and blank sections; highlight likely accidental pages. Use local file input, a worked example and downloadable results.
Text & WritingDocument Personal Metadata CleanerPreview authors, revisions and custom properties; remove selected metadata from copies. Review existing Word files with editable decisions,…
Text & WritingDocument Placeholder InventoryFind unresolved template fields across documents; group by name; export missing-field lists. Use local file input, a worked example and…
Developer & DataDocument Scan Naming AssistantAssign series, folder and page identifiers; check gaps; export renamed copies and indexes.
Text & WritingDocument Section Reuse LibraryKeep approved passages with versions and attribution, then assemble a reusable document.
Text & WritingDocument Table Style HarmonizerBring inconsistent Word tables into one style without rebuilding their contents. Normalize table headings, cell margins and repeat headers across…
Text & WritingDocument Terminology Consistency CheckerFind inconsistent terms from your own terminology list, preview literal replacements and export a normalized document with a change ledger.
Text & WritingDOCX Comment Review OrganizerExtract comments and anchors; assign review states; export a response matrix. Review existing Word files with editable decisions, structural…
Text & WritingDOCX Header and Footer Batch EditorApply sections, first-page exceptions and running labels across documents. Review existing Word files with editable decisions, structural previews…
Text & WritingDOCX Style Cleanup AssistantMap inconsistent styles; preview replacements; preserve numbering; export cleaned DOCX. Review existing Word files with editable decisions,…
Text & WritingDOCX Template Field ValidatorCheck template fields against required values and clear validation rules before assembly.
Everyday CalculatorsDog Age CalculatorCompare a dog’s age with an approximate human-equivalent age using a general medium-dog guideline or a clearly labeled Labrador research formula.
Everyday CalculatorsDonation Pickup Load PlannerGroup pickup stops into sequential vehicle loads using entered weight and volume limits.
Developer & DataDot Density Map MakerMake reproducible dots inside supplied regions, with holes respected and synthetic placement clearly disclosed.
Developer & DataDot Plot Distribution BuilderShow the observations behind each group using collision-aware stacks and exact-value evidence.
Images & DesignDot-to-Dot Diagram GeneratorMake a numbered dot-to-dot diagram from ordered coordinate pairs, with an optional connecting guide.
SimulationsDouble Pendulum SimulatorWatch a double pendulum swing chaotically. Drag it to any angle, release many nearly identical pendulums to see the butterfly effect, and explore…
Developer & DataDrag-and-drop Sortable List BuilderAdd keyboard movement, announcements and collision handling; export an accessible demo.
Passwords & GeneratorsDrawing Challenge Brief GeneratorGenerate drawing-session briefs with a subject, medium, constraint and time box.
Developer & DataDrawing Dimension Annotation MakerAdd calibrated dimensions to supplied vector diagrams; export labeled proofs.
Everyday CalculatorsDrip Irrigation Flow PlannerEstimate irrigation demand from emitter count and rated flow.
Audio & VideoDrum Pattern Notation ConverterConvert supported step patterns to notation and MIDI with editable accents.
Images & DesignDuplex Print Alignment CorrectorApply measured back-side offsets to a print layout; export a verification sheet. Use local file input, a worked example and downloadable results.
Developer & DataDuplicate File FinderFind byte-identical files in folders, choose a retained copy per group and download a clean ZIP with a detailed duplicate report.
Text & WritingDuplicate Paragraph FinderFind repeated paragraphs, review their positions and export a copy retaining the first normalized occurrence.
Images & DesignDust Jacket Flap Layout BuilderCreate jacket panels and flaps; check typography margins; export production templates.
Images & DesignDXF Viewer & 2D CAD EditorFull workspaceOpen DXF files online without AutoCAD. View layers, measure distances and areas, draw and edit lines, polylines, circles, arcs, text and…
ConvertersDynamic Viscosity ConverterConvert fluid dynamic viscosity, distinguishing poise from pascal-seconds.
Audio & VideoEar Training Exercise BuilderCreate interval and chord exercises with adjustable difficulty. Play examples. Export practice sets.
Everyday CalculatorsEaster Date Finder & Calendar ExportFind Gregorian and traditional Julian-method Easter dates across a year range, compare their civil dates and export results or Gregorian Easter…
Text & WritingEasy Read Page BuilderPair short paragraphs with supplied illustrations; export accessible reading sheets.
Text & WritingEbook Builder & ConverterFull workspaceTurn your writing into an ebook with editable chapters, a cover, book metadata and a linked table of contents. Import Markdown, text, HTML or…
Developer & DataEcological Diversity AnalysisRead species richness, evenness and effective diversity beside the count evidence and sampling-effort warnings.
Developer & DataEditorConfig GeneratorCreate consistent indentation, line endings and final-newline settings with a Markdown whitespace exception.
Everyday CalculatorsEditorial Capacity CalendarSchedule content preparation backwards from publication dates and find overloaded production days.
Text & WritingEditorial House Style Rule BuilderTest reusable terminology and spacing rules against real text, with source evidence and approved revisions.
Text & WritingEditorial Proof Correction LogRecord page, passage and correction; merge reviewer logs; export production instructions.
Text & WritingEditorial Sensitivity Review LogRecord contextual concerns, reviewer reasoning and resolved wording decisions.
Text & WritingEditorial Word Budget PlannerAllocate chapter targets and compare body-word counts with clear under/over-budget evidence.
Developer & DataEffect Size Interpretation WorkspaceCompare practical effect magnitudes with group sizes, direction and transparent standardization.
ConvertersElectric Charge ConverterConvert coulombs, amp-hours and elementary charge counts.
Everyday CalculatorsElectric vs Gas Car Cost CalculatorCompare the total cost of an electric and a gas car: price, sales tax, loan, home and public charging, gas, maintenance, insurance, registration…
ConvertersElectrical Conductance ConverterConvert conductance unit scales while keeping conductance distinct from conductivity.
ConvertersElectrical Conductivity ConverterConvert material or solution conductivity with explicit length and prefix scales.
ConvertersElectrical Resistivity ConverterConvert material resistivity using length and cross-sectional-area conventions.
Everyday CalculatorsElectricity Cost CalculatorEstimate appliance electricity use and running cost from wattage, usage time and the energy rate you enter.
Everyday CalculatorsEllipse Area CalculatorCalculate an oval area using its full major and minor axis lengths.
Everyday CalculatorsEllipsoid Volume CalculatorCalculate an ellipsoid volume from its three full diameters.
Developer & DataEmail Archive Deduplication ReviewCompare message identifiers and content hashes; preserve thread relationships in decisions.
Developer & DataEmail Header AnalyzerReview pasted email headers, unfold continuation lines and inspect a reported delivery timeline. Summarize declared SPF, DKIM and DMARC results…
Text & WritingEmail Introduction Personalization HelperAssemble concise introductions from user-entered context without automated sending. Use your own input, a worked example and downloadable results.
Text & WritingEmail Signature GeneratorMake a clean text-and-link email signature with a copyable HTML file.
Developer & DataEmail Thread ReconstructionGroup imported messages by references; identify missing replies; export readable threads.
Images & DesignEmbroidery Design PreparationDraw or import outlines, plan basic stitches, arrange thread colors and simulate the sequence. Export a checked DST, stitch CSV, SVG artwork and…
Images & DesignEmergency Contact Print CardCreate concise household contact cards with user-entered instructions and accessible print layouts. Use your own input, a worked example and…
Text & WritingEML Email ReaderRead email headers, decode text MIME bodies and list attachment metadata without opening attachments.
Developer & DataEmpty and Error State DesignerCreate consistent no-data, retry and permission states with meaningful actions.
Developer & DataEmpty Folder Preservation InspectorList meaningful empty directories; generate manifests that preserve their structure. Use local file input, a worked example and downloadable results.
Developer & DataEncounter Composition WorkbenchBuild encounters from declared units and budgets. Compare simulations without genre-specific promises.
ConvertersEnergy ConverterConvert joules, electricity energy, thermochemical calories and other energy units with a batch audit.
Images & DesignEnvelope Template ConstructorGenerate flaps and folds from dimensions; preview assembly; export printable templates.
Developer & DataEnvironment File Compare & ValidatorCompare two dotenv-style configurations by key, find missing or changed values and detect duplicate keys or syntax issues. Export a redacted…
Developer & DataEnvironment Template ComparerCompare two dotenv key sets with masked values, find missing or changed entries and generate a value-free configuration template.
Developer & DataEnvironment Template GeneratorCreate a shareable environment-file template containing variable names and blank values, excluding source values.
Developer & DataEnvironment Variable Dependency MapperFind referenced variables in selected configs; show required and unused names with masked values.
SimulationsEpidemic SimulatorWatch an infection spread through a moving population. Test social distancing, masks, vaccination, quarantine and a central market, compare with…
Images & DesignEPS to PNG ConverterRender EPS first pages locally to PNG, JPEG or WebP, including supported binary-preview wrappers, with resolution controls and a real output preview.
Text & WritingEPUB Embedded Font InspectorSee embedded fonts, CSS references, missing resources and the licensing evidence you provide. Inventory font usage and licenses supplied by users;…
Text & WritingEPUB Internal Link RepairTrace broken book links to their source, choose real targets and export a repaired EPUB. Find broken anchors and resources; remap targets; export…
Text & WritingEPUB Reading Order EditorArrange the book’s reading sequence while keeping chapter files and nested navigation intact. Inspect spine order; reorder chapters; update…
Text & WritingEPUB to Text Reader & ExtractorRead supported local EPUB chapters as plain text, search the book and export chapters or the full book as TXT. Includes chapter order and…
Audio & VideoEqual-Power Stereo Pan CalculatorCalculate ideal left and right gains for a mono source.
Everyday CalculatorsEquipment Maintenance PlannerCombine calendar intervals and meter readings to identify which equipment needs service first.
Everyday CalculatorsEquipment Rental ComparisonCompare rental offers using daily and weekly rates, mandatory fees, delivery and refundable deposits.
Everyday CalculatorsErrand Stop Order PlannerArrange stops on your own coordinate sketch, compare input order with a nearest-neighbor route and include time at each stop.
Developer & DataError Budget CalculatorCalculate failed-request allowance for a request success objective.
Passwords & GeneratorsEscape Room Code Puzzle GeneratorGenerate digit arithmetic clues, a numeric lock code and a separate solution record.
Audio & VideoEuclidean Rhythm Pattern VisualizerDistribute a chosen number of hits around a step cycle and export its rotated binary rhythm and diagram.
Everyday CalculatorsEvent Accessibility Review PlannerTrack accessibility arrangements, responsible people, evidence and unresolved essential items for an event.
Everyday CalculatorsEvent Budget PlannerCompare planned and actual event expenses, ticket revenue and your break-even ticket count.
Everyday CalculatorsEvent Carpool AllocatorMatch passengers to driver seats by pickup-zone labels, report unmatched riders and compare vehicle occupancy.
Everyday CalculatorsEvent Check-in RosterRun a single-device event guest list with party-size counts, partial arrivals, name/group search, check-in corrections, undo and portable roster…
Developer & DataEvent Funnel Path AnalyzerFollow actual user event paths to see where an ordered journey loses people, and export the drop-off cohorts.
Everyday CalculatorsEvent Run-of-Show BuilderBuild a sequential event run sheet with exact start/end times, activity owners and midnight-crossing labels.
Developer & DataEvent Schema Registry WorkbenchVersion message definitions; compare compatibility; package schemas and fixture samples.
Passwords & GeneratorsEvent Table Name GeneratorGenerate themed table names and short welcome lines for printed event signage.
Everyday CalculatorsEvent Table Seating PlannerCalculate table count and unused seats for an event.
Everyday CalculatorsEvent Ticket Capacity PlannerPlan sellable tickets after staff and reserved capacity.
Developer & DataExact Binary & Hex Arithmetic CalculatorAdd, subtract, multiply or divide large binary, hexadecimal or decimal integers with exact results, integer quotients and remainders.
Everyday CalculatorsExact Integer Running TotalsAudit cumulative totals, differences, minima, maxima and optional products without losing large integer digits.
Passwords & GeneratorsExam Question Order GeneratorGenerate distinct shuffled question orders and source-position keys for multiple exam versions.
Developer & DataExcel Column Width ProofingPreview representative values and wrapping; flag clipped headings and identifiers. Use your own input, a worked example and downloadable results.
Text & WritingExcel Conditional Formatting AuditorInspect overlapping ranges, priority order and oversized conditional formatting rules.
Developer & DataExcel Embedded Image ExporterGet original workbook pictures in one ZIP, labeled with their worksheet, anchor and source evidence.
Developer & DataExcel Error Code ExplainerClassify pasted formula errors; show likely causes and guided checks. Use your own input, a worked example and downloadable results.
Text & WritingExcel External Link InspectorTrace external workbook dependencies, formulas and destinations without opening them.
Developer & DataExcel Formula Locale TranslatorTranslate supported function names and separators with explicit locale mappings. Use your own input, a worked example and downloadable results.
Text & WritingExcel Sheet Protection InventorySee workbook/sheet restrictions and declared unlocked cells without bypassing protection.
Text & WritingExcel Table Range RepairCompare table extents with stored cells and explicitly resize supported table ranges.
Developer & DataExcel Workbook ExplorerFull workspaceOpen XLSX, XLS, ODS and CSV spreadsheets locally. Browse sheets, search workbook values, inspect stored formulas and export matching rows as XLSX,…
Everyday CalculatorsExhibit Light Exposure LogTrack entered illumination and display time against object-specific exposure budgets.
Developer & DataExperience Progression Curve DesignerShape progression curves with milestone constraints. Compare session assumptions. Export level tables.
Developer & DataExperiment Randomization Balance CheckerCheck baseline covariates and allocation counts before interpreting an experiment’s outcomes.
Developer & DataExploded View Illustration ComposerArrange supplied object layers with displacement guides; export labeled technical diagrams.
Everyday CalculatorsFabric Cut Layout PlannerPlan rectangular fabric cuts with quantities, per-piece grain rotation, margins and spacing, visual sheet layouts, utilization and SVG/CSV/project…
Images & DesignFabric Pattern Repeat Cut PlannerRound cut lengths to a fabric pattern repeat, include end allowances and compare pattern-matching waste across a cut list.
Images & DesignFabric Print Repeat RegistrationPrepare repeat tiles with alignment marks. Compare scale and seam continuity.
Developer & DataFaceted Navigation Index PlanModel filter combinations; choose crawlable views; export explicit canonical rules.
Passwords & GeneratorsFake Name GeneratorGenerate fictional profiles locally or with RandomUser. Choose regional names, ages and reusable seeds; search stable data and export names, full…
SimulationsFalling Sand SimulatorPaint sand, water, fire, lava, oil, acid, ice, plants and gunpowder and watch them fall, flow, burn and react. Scenes, wind, undo, save and load.…
Text & WritingFancy Text GeneratorCompare 18 Unicode text styles with live previews, copy buttons, favorites, decorative frames and plain-text normalization. Download one style or…
Passwords & GeneratorsFantasy Place Name WorkshopCombine terrain, name roots and landmarks into locations for a fictional map.
Images & DesignFavicon & App Icon Pack GeneratorCreate ICO, PNG, Apple touch and Android website icons locally. Preview your logo at small sizes and download a ZIP with a manifest and…
Developer & DataFeature Flag Lifecycle ManagerTrack flag owners, environments and expiry; export cleanup candidates and review history.
Everyday CalculatorsFeature Opportunity PlannerCompare RICE-style feature scores and build a capacity-limited shortlist while preserving confidence and effort assumptions.
Everyday CalculatorsFence Panel PlannerEstimate full panels and posts along a straight fence run.
Audio & VideoFFmetadata Chapter WorkbenchRead FFmpeg metadata, inspect chapter timebases and normalize chapter timing to milliseconds while preserving global and stream tags.
Everyday CalculatorsField Observation Effort LogNormalize citizen-science counts by observation effort and summarize species across sampling sessions.
Text & WritingFigure & Table Reference CheckerMatch numbered figure, table and equation references to caption lines, finding undefined references and repeated caption numbers.
Developer & DataFile ↔ ASCII85 ConverterConvert binary files to Adobe-style ASCII85 with optional framing and compact zero groups.
Developer & DataFile ↔ Base32 ConverterEncode files or text as RFC 4648 Base32 or Base32hex and decode back to bytes with strict padding checks.
Developer & DataFile ↔ C Byte Array ConverterCreate a firmware byte array with configurable name and line width, or import one strict array initializer.
Developer & DataFile ↔ SQL Blob Literal ConverterPrepare binary literals for SQLite/MySQL or PostgreSQL and decode matching literals without executing SQL.
Developer & DataFile Extension Mismatch Batch AuditCompare signatures and suffixes; suggest corrected names with confidence limits.
Developer & DataFile Handoff Completeness CheckerCompare delivered files with expected manifests; report missing assets and version mismatches.
Developer & DataFile Integrity Drift DashboardCompare periodic user-supplied manifests; visualize changed or missing files over time.
Developer & DataFile Naming Convention AuditorAudit pasted file paths for case collisions and common portability hazards without renaming or reading files.
Developer & DataFile Signature & Extension InspectorInspect common file signatures, compare filename extensions and export local batch reports. Reads only the first 4 KB; no file upload or execution.
Developer & DataFile Splitter & Verified JoinerSplit files into raw chunks with a SHA-256 manifest, then reassemble only after every part and the original checksum match. Local processing and…
Developer & DataFile Timestamp Normalization PlannerCompare source timestamp formats and zones; preview changes without silent overwrites.
Developer & DataFile Upload Policy TesterTest allowed extensions, signatures and size rules on local fixtures without executing files.
Developer & DataFilename Collision Resolution PlannerSimulate case-insensitive and normalized collisions; propose stable names with reversible mappings.
Developer & DataFilename Sorting Proof SheetPreview lexical, natural and locale order before exporting a numbered collection. Use local file input, a worked example and downloadable results.
Images & DesignFilm Continuity RegisterCompare prop, wardrobe or character-state notes across a shot sequence and flag unmarked state changes for review.
Everyday CalculatorsFilm Production Day PlannerEstimate a shooting day from scene setups, take counts and resets, with company moves, a meal break and crew-hour totals.
Everyday CalculatorsFinal Grade CalculatorFind the exam score needed for your target course grade using your current grade and the final exam weight.
Text & WritingFind & Replace / Text CleanupFind and replace text with ordered rules, whole-word matching and optional regex captures. Preview matches, clean whitespace and download your…
Everyday CalculatorsFind Clock Times from Hand AngleFind every continuous hour-and-minute hand solution for a chosen smaller angle in a 12-hour cycle, with precise seconds and hand-position reports.
Images & DesignFinger Joint Box Layout BuilderGenerate supported jointed panels; preview tab count and material clearance.
Everyday CalculatorsFinite Difference Sequence ExplorerBuild an exact finite-difference table for equally spaced integer data and explore a clearly labeled polynomial continuation.
Developer & DataFirewall Rule Order SimulatorEvaluate synthetic traffic against declared rules; identify shadowed rules without network access.
Developer & DataFixed Record Binary Layout DesignerDescribe byte fields once, inspect decoded records and export a reusable binary layout alongside the data.
Developer & DataFixed Timestep Simulation PlannerPlan update interval and estimated simulation CPU load.
Developer & DataFixed-Width Bitwise CalculatorCalculate AND, OR, XOR, NAND, NOR, XNOR and NOT with explicit bit width and binary, hex and exact decimal results.
Developer & DataFixed-Width Text & CSV ConverterConvert CSV or TSV to aligned fixed-width text, or split a fixed-width file into CSV using explicit column widths. Preserve identifiers and…
Text & WritingFlashcard Maker & StudyCreate and study local CSV/TSV flashcards. Reveal answers, mark known or review again, undo choices, shuffle sessions and export reusable JSON/CSV…
Everyday CalculatorsFlashcard Review Queue PlannerTurn manual recall ratings into a dated review queue with overdue flags and daily workload estimates.
Text & WritingFlashing Content Screening LabInspect frame luminance changes; flag candidates for specialist review, not safety certification.
Developer & DataFlat-field Image CorrectionUse a user-supplied calibration frame; inspect noise amplification; export corrected images.
Images & DesignFLIF Image ConverterConvert supported still FLIF to PNG, JPEG or WebP and create pixel-verified lossless FLIF from images locally, with preview and transparency.
SimulationsFlocking SimulatorWatch birds, fish and bees flock with the boids rules: separation, alignment and cohesion. Tune the rules live, add hawks or a shark, place…
Images & DesignFloor Plan DesignerFull workspaceDraw rooms and floor plans to real measurements, add doors, windows and 60+ furniture pieces, and see if everything fits. Templates, several…
Everyday CalculatorsFlooring Material CalculatorEstimate flooring area, waste allowance and the number of packs to buy for your project.
Developer & DataFlow Map ComposerDraw supplied origin–destination flows with directional curves and deliberate route bundling.
Developer & DataFluid Typography BuilderBuild eight responsive text sizes together. Preview their calculated sizes and export reusable CSS variables for your website.
Images & DesignFlyer, Brochure & Newsletter MakerFull workspaceDesign flyers, posters, menus, tri-fold brochures, newsletters and certificates. Multipage layouts with text columns, photos, margins and page…
Everyday CalculatorsFMEA Risk AnalyzerCompare failure modes using severity, occurrence and detection scores, then review planned residual scores.
Images & DesignFoam Insert Layout PlannerArrange user-drawn item outlines with clearances; export cut guides and labels.
Developer & DataFocus Indicator Contrast TesterPreview focus rings on adjacent colors; check thickness and visibility with documented assumptions. Use your own input, a worked example and…
Everyday CalculatorsFocus Timer, Countdown & StopwatchUse a large focus timer with short and long breaks, quick countdown presets, a stopwatch with laps and downloadable local session reports.
Images & DesignFolded Leaflet Layout PlannerMap panels for common folds; handle panel compensation; export a layout template.
Developer & DataFolder Snapshot ComparisonCompare saved manifests; identify renamed, changed and missing files; export differences.
Developer & DataFont Explorer & Conversion WorkbenchFull workspacePreview local fonts, compare typography, explore Unicode characters and variable axes, inspect font metadata and export supported font containers…
Developer & DataFont Loading Waterfall ReviewerReview imported font-loading waterfalls, compare request completion with a supplied FCP milestone, annotate font requests and compare recordings.
Images & DesignFont Maker & Icon Font GeneratorFull workspaceMake your own font in the browser: draw letters with curves, shapes or pixels, trace a reference, set spacing and preview as you type. Turn SVG…
Developer & DataFont OpenType Feature PreviewTest ligatures and stylistic sets in uploaded fonts; export comparison sheets.
Everyday CalculatorsFood Drive Kit PlannerFind how many complete distribution kits current stock can support and list purchases for a target number of kits.
Text & WritingFootnote Length and Density AuditVisualize note distribution; flag unusually long or orphaned notes. Use your own input, a worked example and downloadable results.
ConvertersForce ConverterCompare force in newtons, pound-force, kilogram-force and cgs units.
Developer & DataForecast Backtest LabCompare naive, moving-average and exponential-smoothing forecasts against held-out observations, with errors shown for every prediction.
Text & WritingForm & Survey BuilderDesign form questions, preview required fields and export a standalone form that downloads responses locally.
Developer & DataForm Input State MatrixRender normal, focus, error and disabled states; identify inconsistent design tokens.
Passwords & GeneratorsFractal & L-System GeneratorDraw fractal trees, ferns, Koch snowflakes, dendrites, Hilbert curves and Sierpinski triangles. Explore iterations and angles, write custom…
Everyday CalculatorsFraction CalculatorAdd, subtract, multiply or divide two fractions and see the exact simplified result.
Everyday CalculatorsFreelance Project Quote BuilderBuild a scoped project estimate with task effort, revisions, outside costs, contingency and payment milestones.
Everyday CalculatorsFreezer Batch Portion PlannerDivide a prepared batch into equal containers and estimate freezer volume.
ConvertersFrequency ConverterConvert oscillation rates and cycles-per-minute values with clear frequency units.
Audio & VideoFrequency to MIDI Note CalculatorFind the nearest equal-tempered MIDI pitch and its tuning difference.
Developer & DataFrontend Release Weight ComparatorCompare route-level asset sets; explain increases by added or changed files.
Developer & DataFrontend Token Usage AuditorCompare source CSS with approved tokens; list hardcoded or undefined values.
Everyday CalculatorsFuel Efficiency CalculatorCalculate fuel economy from a measured distance and fuel used, with selectable units.
Developer & DataGame Accessibility Settings PlannerMap barriers to configurable assists. Export settings specs and acceptance tests.
Developer & DataGame Asset Bundle Dependency MapperTrace local asset references. Flag missing resources and duplicate payloads.
Developer & DataGame Balance Change ComparatorCompare data patches. Identify affected items and progression ranges. Export designer notes.
Developer & DataGame Controller Prompt Pack BuilderMap actions to user-supplied button art. Generate localized prompt sheets and manifests.
Developer & DataGame Input Mapping DesignerDefine actions and device bindings. Flag conflicts. Export profiles and help diagrams.
Developer & DataGame Item Tooltip ComposerBuild consistent stat descriptions from structured fields. Preview rarity and localization variants.
Developer & DataGame Localization Fit TesterPreview translated UI strings in supplied mockups. Flag clipping and missing keys.
Developer & DataGame Patch Manifest BuilderCompare asset snapshots. Generate update manifests with hashes and rollback references.
Developer & DataGame Playtest Feedback OrganizerLink observations to builds and moments. Group issues. Export actionable designer reports.
Everyday CalculatorsGame Resource Turn SimulatorProject resources over turns with production, upkeep, caps and one-time spending, and see when an entered resource budget runs short.
Developer & DataGame Telemetry Event Schema BuilderDefine minimal event payloads and privacy rules. Generate validation schemas and examples.
Developer & DataGame Tutorial Trigger PlannerMap contextual hints, cooldowns and completion rules. Simulate trigger sequences.
Everyday CalculatorsGantt Chart Maker OnlineFull workspaceMake a Gantt chart online for free. Add tasks, phases and milestones, link dependencies, drag bars on the timeline and see the critical path.…
Everyday CalculatorsGarden Bed Soil CalculatorEstimate soil volume for a rectangular raised bed and bags to buy.
Everyday CalculatorsGCD & LCM WorkbenchFind the exact greatest common divisor and least common multiple of a list, with Euclidean steps and a two-number Bézout identity.
Everyday CalculatorsGenealogy Timeline CheckerOrganize dated family-history evidence and flag events outside a person’s entered lifespan.
SimulationsGenetic Drift SimulatorWatch allele frequencies drift in many populations at once. Add selection, mutation and bottlenecks, see fixation and loss, compare with theory,…
Everyday CalculatorsGeometric Sequence CalculatorFind a term and finite sum of a constant-ratio sequence.
Developer & DataGeospatial Attribute Schema MapperAlign map feature properties, preserve geometry and preview identifier or type changes before exporting GeoJSON.
Images & DesignGIF Background RemoverRemove a matching background color from every frame. Protect enclosed regions with edge-connected removal and export transparent GIF or full-color…
GIF & AnimationGIF Color EditorAdjust brightness, contrast, saturation and hue with a live preview. Keep transparency and export GIF, full-color APNG or PNG frames.
GIF & AnimationGIF Comment EditorRead, add or remove embedded GIF comments while preserving compressed frame images for metadata-only edits.
GIF & AnimationGIF Comparison ViewerCompare two GIF animations with paired previews, synchronized playback, shared scrubbing and nearby tabbed controls. Export a reference PNG or…
GIF & AnimationGIF Contact Sheet MakerCreate a labeled PNG overview of GIF frames. Choose frames, columns, cell dimensions, spacing and background while inspecting the animation.
GIF & AnimationGIF Crop & ResizeCrop directly on the preview, resize with linked proportions, rotate or flip. Choose crisp pixel scaling or smooth resizing and inspect export…
GIF & AnimationGIF Frame ExtractorInspect composited GIF frames and export a PNG, a full frame ZIP with timings or a sprite sheet.
GIF & AnimationGIF Frame Timing ReportInspect stored frame delays, browser playback estimates and cumulative start times. Export a complete CSV or JSON timing report.
GIF & AnimationGIF Frame ViewerExplore an animation frame by frame with zoom, timing, playback and onion-skin comparison. Save a full-color reference frame when you need it.
GIF & AnimationGIF Loop EditorSet a GIF to play once, repeat forever or play a chosen number of times. Loop-only edits preserve compressed frame images.
GIF & AnimationGIF OptimizerCompare measured output size, optimize changed pixels or deliberately reduce colors. Quality-first settings are the default, with clear reduction…
GIF & AnimationGIF Palette InspectorInspect the displayed colors of each animation frame, see pixel counts and export a complete palette report.
GIF & AnimationGIF ReverseReverse an animation or create a forward-and-backward loop. Inspect the frame timeline and export with exact colors whenever GIF can represent them.
GIF & AnimationGIF Speed ChangerChange the pace of an animation, set frame durations and preview the result. Timing-only exports retain the original compressed images.
GIF & AnimationGIF SplitterSelect a frame range, trim an animation or download full-color PNG frames with a timing manifest.
GIF & AnimationGIF Text EditorAdd draggable text layers, meme captions, outlines, opacity and frame ranges. Preview animated captions before exporting.
GIF & AnimationGIF to CSS Sprite ConverterTurn animation frames into a PNG atlas with CSS frame positions and a JSON timing manifest, ready for a web project.
GIF & AnimationGIF to Video ConverterConvert a GIF into MP4, WebM, full-color APNG or PNG frames using a live preview, visual frame timeline, trim controls and tabbed export settings.
GIF & AnimationGIF Watermark ToolAdd a logo or a text credit, control opacity and rotation, repeat a mark or limit it to a frame range. Preview the animation before downloading.
Images & DesignGift Box Insert Divider BuilderDesign interlocking partitions from compartment dimensions; account for material thickness.
Everyday CalculatorsGift Budget AllocatorDistribute a fixed gift budget using priorities, minimums and caps, then see unallocated money and each person’s share.
Passwords & GeneratorsGift Exchange Assignment MakerCreate one-to-one gift exchange assignments with directional exclusions and a repeatable seed.
Everyday CalculatorsGift Ribbon Length PlannerEstimate two perpendicular ribbon loops around a rectangular box.
Developer & DataGIS & Map Data WorkbenchFull workspaceInspect and edit offline map layers from GeoJSON, GPX, KML, coordinate CSV and supported shapefile ZIPs. Measure features, simplify lines and…
Passwords & GeneratorsGit Branch Name GeneratorTurn issue titles into consistent branch suggestions with optional issue numbering.
Developer & DataGit Commit Graph ViewerImport log exports; inspect merges and branches; export release lineage diagrams.
Developer & DataGit Conflict Resolution WorkbenchResolve pasted Git conflict blocks using the current side, incoming side or both, while retaining a per-block decision ledger.
Developer & DataGit Patch InspectorReview changed files, additions, deletions, hunks and binary markers without applying a Git patch.
Developer & DataGit Rebase Plan SimulatorReorder synthetic commits; preview dependencies and conflict risks without changing a repository.
Developer & DataGitignore BuilderCombine practical Node, Python, build-output, OS and environment-file presets with your own ignore patterns.
Text & WritingGlossary Definition FormatterFormat term-and-definition notes into a sorted glossary with alphabetical sections, duplicate-term review and HTML, Markdown and JSON exports.
Developer & DataglTF Extension Compatibility InspectorList used extensions and required features. Flag target-profile incompatibilities.
Everyday CalculatorsGPA CalculatorCalculate a credit-weighted GPA using course credits and the grade points supplied by your institution.
Everyday CalculatorsGrant Deliverable TrackerTrack milestone completion, allocated budgets, actual spending and evidence for a funded project.
Developer & DataGraph Legend Readability CheckerCheck symbol, line and text distinctions at print and mobile sizes. Use your own input, a worked example and downloadable results.
Developer & DataGraphQL Schema ExplorerBrowse types and dependencies; validate supplied queries; export schema documentation.
Everyday CalculatorsGravel Mass CalculatorEstimate aggregate mass from area, depth and your supplied bulk density.
Everyday CalculatorsGravitational Potential Energy CalculatorEstimate energy change when raising a mass in constant gravity.
SimulationsGravity SimulatorThrow planets, build solar systems and watch orbits, slingshots and collisions in a real N-body gravity simulation. Presets for binary stars and…
Developer & DataGray Code Encoder & DecoderConvert reflected binary Gray code in either direction with exact decimal, hexadecimal and padded binary representations.
Everyday CalculatorsGregorian & Julian Calendar ConverterConvert batches of Gregorian and Julian calendar dates with leap-rule validation, weekday checks and a shared integer-day index.
Developer & DataGrid Path Distance CalculatorCompare Manhattan, diagonal-grid and straight-line distance between grid cells.
Everyday CalculatorsGrocery Pack Combination OptimizerFind a low-cost combination of whole packs that meets a quantity target, with optional overbuy limits and a complete purchasing list.
Developer & DataGrouped Summary ComparisonRead subgroup counts, missingness, quantiles and uncertainty together instead of comparing unexplained averages.
Developer & DataGTIN Barcode Number CheckerValidate GTIN-8, UPC-A, EAN-13 and GTIN-14 check digits and normalize valid numbers to GTIN-14.
Developer & DataGuilloche Pattern DesignerCombine controlled curves and phase settings; export vector decorative patterns.
Audio & VideoGuitar Fretboard ExplorerExplore guitar, bass and ukulele scales and chord tones with custom tunings, capo, interval labels, synthesized note previews and downloadable…
Developer & DataGZIP File Compressor & DecompressorCompress files into GZIP or decompress a GZIP stream with output limits and a size report.
Developer & DataHalftone Vector Screen MakerGenerate editable dots or lines; compare angles and cell sizes; export separations.
Developer & DataHand-drawn Stroke Asset BuilderGenerate seeded wobble and pressure variants; preserve centerlines; export SVG sets.
Developer & DataHAR Network AnalyzerInspect a local HAR capture with request filters, timing waterfalls, status and domain summaries, request details, CSV exports and a minimized…
Developer & DataHAR Privacy RedactorRemove common secrets from a pasted HAR archive, strip request and response bodies and inspect a field-removal ledger before sharing.
Developer & DataHard-edge Smoothing PreviewCalculate crease-aware per-corner mesh normals and export OBJ data for inspection in a compatible 3D renderer.
Audio & VideoHarmony Part Practice MixerLoad separate parts. Adjust balance and looping. Export personal rehearsal mixes.
Developer & DataHash Collision Probability EstimatorEstimate the birthday-bound collision probability for random uniform hashes.
Text & WritingHeading Parallelism CheckerCompare grammatical patterns across headings; flag inconsistent structure and punctuation. Use your own input, a worked example and downloadable…
ConvertersHeat Flux ConverterConvert thermal power per area with explicit area-unit changes.
Images & DesignHeightmap to Normal Map GeneratorGenerate an RGB normal map from a grayscale heightmap, adjust relief strength and choose a Y-channel convention for your renderer.
Everyday CalculatorsHemisphere CalculatorMeasure a half-sphere’s capacity and surface with and without its base.
Developer & DataHex Encoding Size EstimatorPlan hex representation length with optional separators.
Developer & DataHex File Inspector & Byte ViewerInspect file bytes locally with hex/ASCII paging, exact byte searches, range extraction, text decoding, endian-aware integer/float values and byte…
Everyday CalculatorsHex Grid PathfinderFind a shortest unweighted path across an axial hex grid with blocked cells and export the coordinate route.
Developer & DataHex to Image ConverterDecode hexadecimal PNG, JPEG or WebP file bytes, or build an image from raw RGB, RGBA or grayscale pixel bytes. Preview locally and export PNG.
Developer & DataHexbin Density Plot BuilderReveal dense point patterns without hiding the counts or bin-size choices behind the picture.
Everyday CalculatorsHistogram Bin BuilderBin numeric observations into equal-width intervals and inspect counts, percentages and boundary conventions.
Everyday CalculatorsHollow Cylinder CalculatorMeasure tube material volume and internal capacity.
Everyday CalculatorsHome & Plant Care PlannerPlan user-defined recurring care and maintenance tasks, record completion history, review overdue dates and export projects, schedules and all-day…
Everyday CalculatorsHome Inventory & Warranty TrackerOrganize belongings by room, record serials and purchase costs, review approaching warranty dates and export portable inventory projects, CSV and…
Everyday CalculatorsHome Network Bandwidth PlannerCombine device groups, simultaneous activity and upload/download requirements to estimate a household bandwidth budget.
Everyday CalculatorsHome Renovation Project PlannerPlan paint and flooring across multiple rooms, round material purchases, estimate labor and build a practical renovation budget.
Everyday CalculatorsHousehold Budget PlannerCompare monthly household income with grouped expenses and a savings target to see your remaining budget.
Images & DesignHousehold Label Readability PreviewCompare font size, contrast and viewing distance for storage and instruction labels. Use your own input, a worked example and downloadable results.
Developer & DataHreflang Generator & CheckerBuild multilingual page groups, generate hreflang HTML tags, HTTP Link headers and XML sitemaps, and check supplied markup for missing alternates,…
Developer & DataHTML Details Accordion BuilderGenerate a native collapsible HTML section with safely escaped summary and paragraph text and an optional open state.
Developer & DataHTML Email Template BuilderBuild a table-based email template with editable sections, CTA links, preview and HTML export.
Developer & DataHTML Entity Encoder & DecoderEncode HTML special characters, escape non-ASCII text or encode every code point. Decode semicolon-terminated named and numeric character…
Developer & DataHTML Form Accessibility InspectorInspect form controls for label associations, broken ARIA references, duplicate IDs and missing names.
Developer & DataHTML Heading Outline InspectorExtract a readable h1–h6 outline from pasted HTML. Review skipped levels, empty headings, duplicate IDs and main-content scope, with text, JSON…
Developer & DataHTML Link ExtractorExtract anchor links from pasted HTML, resolve relative URLs with a base, filter same-origin or external links and export text, attributes and…
Developer & DataHTML Minifier & BeautifierMinify or beautify HTML locally with parser-based processing, protected script and preformatted content, byte-size statistics and a sanitized…
Text & WritingHTML Table GeneratorGenerate styled responsive HTML tables from CSV or spreadsheet cells. Preview semantic captions/headers, numeric alignment and RTL, then export…
Developer & DataHTTP Cache-Control Builder & InspectorDraft response cache policies or inspect an existing Cache-Control value, with browser/shared TTLs, validation rules, immutable content, stale…
Developer & DataHTTP Conditional Request SimulatorModel ETag and date validators; inspect 200, 304 and precondition outcomes.
Developer & DataHTTP Content Negotiation TesterCompare Accept headers with declared representations; explain selected or rejected formats. Use your own input, a worked example and downloadable…
Developer & DataHTTP Cookie InspectorInspect pasted Set-Cookie fields, domain and path scope, lifetime, cookie prefixes and attribute conflicts. Masked JSON and CSV reports help…
Developer & DataHTTP Header Inspector & CompareInspect HTTP header blocks, preserve repeated fields, compare two captures, mask credential-like values and export a readable report locally.
Developer & DataHTTP Link Header ParserParse Link response headers into targets, relation types and parameters, resolving relative targets against a supplied base URL.
Developer & DataHTTP Range Response PlannerParse byte ranges; validate bounds; generate multipart response fixtures.
Developer & DataHTTP Redirect Semantics LabSimulate redirect status behavior for methods and bodies; export learning scenarios.
Developer & DataHTTP Request & cURL BuilderBuild reviewable cURL commands or portable config drafts from a JSON request definition, with repeated query parameters, headers, text or exact…
Developer & DataHTTP Status Quick ReferenceLook up common HTTP response codes in an offline reference with concise meanings.
Developer & DataHTTP Transfer Size BreakdownSeparate headers, encoded bytes and decoded bytes from imported resource records. Use your own input, a worked example and downloadable results.
Everyday CalculatorsHydrostatic Pressure CalculatorEstimate fluid pressure at a depth beneath an open surface.
Text & WritingHyphenation Exception List BuilderCollect preferred hyphenation patterns; export dictionaries for supported publishing formats. Use your own input, a worked example and…
Text & WritingHyphenation Language ProofingPreview supported language dictionaries; add exceptions; export proof sheets.
Everyday CalculatorsICS Calendar Conflict CheckerFind overlaps between explicit calendar events while distinguishing timezone groups and unsupported recurrence.
Text & WritingICU Message Format WorkbenchEdit plural and select branches; test locale samples; export validated messages.
SimulationsIdeal Gas SimulatorWatch gas molecules bounce in a box. Heat, cool and compress it, measure pressure and temperature, check PV = NkT, see the Maxwell–Boltzmann speed…
Everyday CalculatorsIdeal Pendulum Period CalculatorEstimate a simple pendulum’s small-angle period.
Everyday CalculatorsIEEE 754 Floating-Point InspectorInspect Float32 and Float64 decimal values or exact hexadecimal bits, including sign, exponent, fraction, subnormals and signed zero.
ConvertersIlluminance ConverterConvert incident illumination between lux, foot-candles and phot units.
Developer & DataIllustration Palette Replacement BoardMap colors to approved swatches; preserve gradients and opacity; export recolored sets.
Developer & DataImage ↔ Base64 Converter (Encode & Decode Tool)Encode JPG, PNG, WebP and GIF files as Base64, HTML, CSS or JSON. Preserve original bytes or resize still images; decode and validate raw Base64…
Images & DesignImage Annotation WorkbenchMark up screenshots with arrows, boxes, text and numbered callouts; undo and export the annotated image.
Developer & DataImage Banding Reduction LabAdd controlled dithering to gradients; compare quantization and export size.
Images & DesignImage Color PickerPick colors from original image pixels or a sample area. Build palettes, inspect alpha-aware values and check text contrast.
Images & DesignImage Color ReplacerReplace image colors locally with click-to-pick, tolerance, soft color edges, lightness preservation and connected-area selection. Compare…
Images & DesignImage Color Vision SimulatorPreview images with approximate protanopia, deuteranopia and tritanopia simulations or grayscale. Compare views locally and export resized PNG…
Developer & DataImage Comparison Slider BuilderBuild before-after handles with keyboard support, labels and responsive ratios.
Images & DesignImage Crop Area CalculatorCalculate retained pixels and area loss for a proposed crop.
Images & DesignImage Crop, Rotate & Edit ToolCrop images at original resolution with exact pixel coordinates, touch selection and undo. Rotate without clipping, flip, frame and export PNG,…
Developer & DataImage Delivery Budget AuditorCompare supplied image dimensions, bytes and display sizes; prioritize wasted delivery.
Developer & DataImage Duplicate Region DetectorFind repeated blocks for editing review; label evidence as similarity, not forgery proof.
Developer & DataImage Edge Quality InspectorCompare halos, ringing and sharpening artifacts at matched zoom levels.
Images & DesignImage Effects ToolEdit still images locally with presets, filters and keyboard or touch before-and-after comparison. Preserve dimensions and download PNG, JPG or…
Developer & DataImage Histogram Matching LabMatch tonal distributions to a reference; preview color shifts; export adjusted copies.
Images & DesignImage Kaleidoscope MakerCreate mirrored radial patterns from local photos and artwork. Adjust sectors, sample center, zoom and rotation; export full-size PNG or JPG.
Text & WritingImage Long Description BuilderAnnotate diagrams with structured explanations; export linked accessible descriptions.
Images & DesignImage Orientation Metadata FixerNormalize stored pixels and EXIF orientation; verify identical displayed orientation. Use local file input, a worked example and downloadable results.
Developer & DataImage Perspective Grid RectifierMark planar corners and reference lines; preview corrected geometry and crop losses.
Images & DesignImage Pixel Budget PlannerFit image dimensions within a maximum megapixel budget without upscaling.
Images & DesignImage PixelatorPixelate, blur or cover image regions locally. Exact-coordinate selections, undo, multiple shapes and full-resolution PNG, JPG or WebP exports.
Developer & DataImage Quality Comparison LabCompare encoders and settings on supplied images; inspect pixels, size and perceptual metrics.
Images & DesignImage Signed Distance Field GeneratorConvert an alpha or luminance silhouette into a grayscale signed distance field for shader, text and mask experiments.
Developer & DataImage Sitemap Association BuilderMap image resources to canonical pages; detect orphan images; export XML.
Images & DesignImage Splitter & Grid SlicerSplit an image into numbered grid tiles. Keep the full image, center-crop square cells, add optional overlap and download PNG/JPG tiles or a ZIP…
Images & DesignImage to EPS ConverterConvert PNG, JPG and WebP to raster EPS locally. Choose print DPI and transparency background; preview dimensions before download.
PDF ToolsImage to PDF ConverterConvert JPG, PNG and WebP images to PDF locally. Preview page layouts, reorder and rotate images, set paper and margins, then download a combined…
Developer & DataImage Vignetting CorrectionEstimate or manually tune edge falloff; preview corrections and clipping.
Developer & DataImport Path Migration AssistantMap moved files; preview import rewrites; export patches with unresolved references.
Passwords & GeneratorsImprov Scene Prompt GeneratorPrepare improv scene cards with locations, relationships and a scene-changing interruption.
Audio & VideoImpulse Response Convolution LabApply user-supplied responses. Control wet/dry and tails. Export rendered audio.
Audio & VideoImpulse Response Measurement ViewerInspect uploaded responses. Compare decay and frequency plots without room certification.
Everyday CalculatorsIn-Kind Donation SorterOrganize donated goods by category and condition, with packing quantities and intake follow-up.
Developer & DataIncident Communication Timeline BuilderPrepare factual updates from event records; track approvals and audience versions.
Text & WritingInclusive Terminology ReviewApply user-selected language guidance; show context and alternatives for manual choice. Use your own input, a worked example and downloadable results.
Everyday CalculatorsIncremental Game Upgrade PlannerCompare sequential upgrade costs, production gains and simple payback time across candidate upgrade paths.
Text & WritingIndented List Tree ConverterTurn an indented plain-text list into a nested JSON tree, a normalized Markdown outline and a flat parent–child inventory.
Text & WritingIndented Outline NumbererNumber a space-indented outline with hierarchical labels and export a clean numbered copy.
Developer & DataIndexability Decision TraceCombine supplied robots, meta and status evidence; explain likely indexability barriers.
Developer & DataIndexed Image Palette Merge PlannerCompare several indexed images; design a shared palette with pinned colors; report exact matches and quantization before export.
Developer & DataIndexNow Submission Manifest BuilderPrepare eligible changed URLs and validation checks; export requests without sending them.
ConvertersInductance ConverterConvert inductance values in henries and electronics prefixes.
Everyday CalculatorsInductor Energy CalculatorCalculate stored magnetic energy for an ideal linear inductor.
Developer & DataINI ↔ JSON ConverterConvert sectioned configuration files to nested JSON and back, with duplicate-key checks and selectable value typing.
Audio & VideoInstrument Range and Transposition CheckerCompare written and sounding pitches against user-selected reference ranges.
Everyday CalculatorsInteger Factor Pair FinderList every positive integer factor pair, identify square pairs and export the results.
Everyday CalculatorsInteger Partition ExplorerCount unordered ways to write an integer as a sum, restrict the largest part or require distinct parts, and export bounded examples.
Developer & DataIntel HEX ↔ Binary ConverterValidate Intel HEX checksums and address records, reconstruct a bounded binary image or generate HEX records.
Developer & DataInter-rater Agreement AnalyzerSee agreement and disagreement for paired raters, with Cohen’s kappa and category evidence.
Developer & DataInteraction Latency Attribution ViewerGroup imported interaction records by target and phase; export prioritized findings.
Text & WritingInteractive Story & Dialogue DesignerFull workspaceBuild branching stories, game dialogue and guided experiences with a visual scene map, typed variables, conditional choices and scene effects.…
Developer & DataInteractive Timeline Story BuilderCombine dated events, source notes and local images into a searchable timeline you can share as one HTML file.
Text & WritingInternational Address Form DesignerBuild country-configurable field layouts from reviewed schemas; export form definitions.
Developer & DataInternational Site Coverage MapperCompare page-language availability; flag missing equivalents and asymmetric references.
Developer & DataInterval Coverage HeatmapMap overlapping staffing or availability intervals into exact time segments and average coverage bins, highlighting gaps against a target.
Everyday CalculatorsInterval Workout TimerBuild repeating exercise or activity routines with preparation, work, rest and cooldown phases. Use a large timer, optional audio cues, keyboard…
Text & WritingInterview Speaker Turn EditorSplit and merge turns. Correct speaker attribution. Preserve original timestamps.
Audio & VideoIntonation Reference Tone PlayerGenerate stable tuning references and interval comparisons. Show calibrated frequency settings.
Everyday CalculatorsInventory ABC AnalyzerRank stock by annual consumption value, identify value concentration and build an A/B/C review list.
Everyday CalculatorsInventory Cycle Count PlannerTurn class-based counting frequencies into a dated workload and highlight overdue counts against daily capacity.
Everyday CalculatorsInventory Reorder Point CalculatorPlan a reorder trigger from daily demand, lead time and supplied safety stock.
Everyday CalculatorsInventory Shrinkage CalculatorCompare expected stock with counted stock and estimate the value difference.
Text & WritingInvisible Character InspectorFind hidden Unicode spaces, joiners, direction marks and controls. Preview precise cleanup, normalize optionally and export text or an inspection…
Everyday CalculatorsInvoice BuilderFree invoice generator: add your logo, business and client details, an item table with discounts and tax rates, due dates and payment info. Live…
Developer & DataIP Address Binary & Hex ConverterConvert IPv4 or IPv6 addresses to exact binary, hexadecimal and decimal values, or restore addresses from unsigned bit patterns.
Developer & DataIPv4 & IPv6 Subnet CalculatorCalculate CIDR networks, masks, exact address counts and IPv4 host ranges. Check membership and preview child subnets for IPv4 or IPv6 without…
Everyday CalculatorsIrrigation Zone SchedulerCalculate zone watering durations and group zones into runs that stay within an entered supply-flow limit.
Text & WritingISBN Checker & ConverterCheck ISBN-10 and ISBN-13 checksums in batches and convert supported identifiers without a network lookup.
ConvertersISO Week Date ConverterConvert a calendar date into an ISO week date, or convert a week date back to a calendar day.
Developer & DataIsoline Contour Plot BuilderBuild editable contours from supplied grid values, keeping gaps and interpolation assumptions visible.
Developer & DataIsometric Illustration ComposerArrange supplied vector primitives on an isometric grid; export editable illustrations.
Images & DesignIsometric Tile Dimension CalculatorCalculate a 2:1 diamond tile’s dimensions and planar area.
Everyday CalculatorsItemized Bill SplitterSplit a restaurant bill by what each person ordered. Paste the receipt, share appetizers and bottles between any group, prorate tax, tip, coupons…
Developer & DataJava Properties ↔ JSON ConverterConvert Java-style properties with continuation lines, escaped separators and Unicode escapes.
Developer & DataJavaScript Bundle Composition ViewerInspect supported build manifests; compare module weights and shared dependencies.
Developer & DataJavaScript Minifier & BeautifierMinify or beautify JavaScript locally with parser-based processing, syntax feedback, optional cleanup, file opening and JS exports. Includes…
Developer & DataJSON & URL-Encoded Form ConverterConvert flat JSON values and scalar arrays to form pairs, or decode URL-encoded data with repeated-key preservation.
Developer & DataJSON API Page MergerCombine pasted API page objects, extract a record-array path and resolve duplicate IDs with a complete collision log.
Developer & DataJSON Array ChunkerSplit a JSON array into ordered record chunks and download the nested array alongside a chunk index report.
Developer & DataJSON Array Set OperationsCompare JSON arrays by complete values using union, intersection and differences with type-aware, order-defined results.
Developer & DataJSON As-of Record JoinerAttach the latest eligible reference record to each event using an exact entity key and timestamp, with an optional lookback limit.
Developer & DataJSON CompareCompare two JSON documents by keys and array positions. Find added, removed and changed values with JSON Pointer paths while preserving exact…
Developer & DataJSON Depth & Size LimiterCreate a shortened JSON preview with explicit depth and child limits, marker strings and an audit of removed structure.
Developer & DataJSON Event SessionizerGroup timestamped events into user sessions using an inactivity gap, then inspect session boundaries, event counts and durations.
Developer & DataJSON Field Migration RunnerRebuild JSON records with a declarative field map, nested destination paths, defaults and an audit of missing source values.
Developer & DataJSON Flatten & UnflattenConvert nested JSON into a reversible JSON Pointer path table, edit values, and rebuild objects and arrays while preserving large numbers and…
Developer & DataJSON Key & Value ExtractorExtract recursive object keys, values or path-aware entries with literal key filtering and exact numeric values.
Developer & DataJSON Key Case ConverterRename nested JSON keys to camelCase, snake_case or kebab-case with collision detection and unchanged values.
Developer & DataJSON Key Coverage ReportCompare field presence across records and distinguish missing keys, nulls and empty strings.
Developer & DataJSON Key–Value InverterInvert top-level scalar values into keys with typed key policies and explicit collision rejection or grouping.
Developer & DataJSON Keyed Record DiffCompare JSON record sets by a stable ID, separating additions, removals and field changes even when record order changes.
Developer & DataJSON Merge Patch ToolApply a JSON Merge Patch to update nested settings, remove members and replace arrays while keeping the original untouched.
Developer & DataJSON Object Key SorterSort JSON object keys at the root or recursively while preserving array order and exact numeric source tokens.
Developer & DataJSON Object Merge & Conflict ReviewMerge two JSON objects with explicit deep or shallow behavior, collision policies and a path-level change audit.
Developer & DataJSON Patch Builder & TesterGenerate a JSON Patch from two documents or apply add, remove, replace, move, copy and test operations to a copy.
Developer & DataJSON Pointer ExplorerFind a value using JSON Pointer or URI fragment syntax, browse escaped paths and extract exact JSON without rounding large numbers or changing the…
Developer & DataJSON Record Group BuilderGroup JSON objects by a direct property while distinguishing missing keys, nulls and primitive value types.
Text & WritingJSON RedactorPrepare a JSON example for sharing. Mask selected field names or exact paths while preserving large numbers, duplicate keys and array positions.
Developer & DataJSON Relationship Integrity CheckerCheck parent and child record arrays for orphan foreign keys, duplicate parent IDs, missing links and parent usage counts.
Developer & DataJSON Schema from SampleDraft a JSON Schema from observed objects, arrays and primitive values, ready for review in your validator.
Developer & DataJSON Schema Migration AssistantCompare flat object schemas, map renamed fields and check sample records against a declared target contract.
Developer & DataJSON Schema Reference ResolverBundle supplied local references; detect cycles and missing definitions.
Developer & DataJSON Schema ValidatorValidate JSON against a local draft-07 schema, inspect instance-pointer errors and check schema structure. Includes local definitions,…
Developer & DataJSON Schema Visual Rule BuilderCompose supported constraints with live examples; export schemas and valid/invalid fixtures.
Developer & DataJSON String Escape & UnescapeEscape text as a complete JSON string literal, or decode a quoted JSON string into plain text. Handle quotes, backslashes, tabs, newlines and…
Developer & DataJSON Structure & Depth AnalyzerInspect JSON node types, nesting depth and JSON Pointer paths without rounding numeric source values.
Developer & DataJSON Test Combination MatrixExpand named test factors into a Cartesian test matrix, exclude specified combinations and check factor-value coverage.
Developer & DataJSON to Collapsible HTML ReportExport a standalone collapsible JSON report with escaped values, exact numeric tokens and no executable input or external assets.
Developer & DataJSON to Image RendererTurn formatted JSON into a readable PNG with width, typography, themes, line numbers and wrapping, plus formatted JSON export.
Developer & DataJSON to SQL INSERT GeneratorTurn JSON object arrays into PostgreSQL or SQLite INSERT drafts with exact number tokens, safe literal quoting, batch sizes, missing-value…
Developer & DataJSON to TypeScript ConverterInfer TypeScript types from JSON samples, merge array record shapes and mark missing properties optional. Supports readonly output and…
Developer & DataJSON to YAML & YAML to JSON ConverterConvert JSON and YAML locally with exact numeric digits, readable editors, file opening, alias notes and copy/download. Uses YAML 1.2 core rules…
Developer & DataJSON Value Frequency ReportGroup records by a top-level JSON field and inspect counts and percentage shares.
Developer & DataJSON-RPC Conversation ValidatorCheck IDs, batches and error envelopes; match requests with responses.
Developer & DataJSONL / NDJSON ConverterValidate newline-delimited JSON with source-line errors, convert JSONL to a JSON array, or export an array as compact NDJSON without rounding…
ConvertersJulian Date & Modified Julian Day ConverterConvert batches of Gregorian UTC dates to Julian dates and Modified Julian dates, or convert decimal Julian dates back to UTC.
Developer & DataJWT DecoderDecode JWT headers and claims, inspect expiry times and copy readable output. Browser-based token inspection with an explicit unverified-signature…
Developer & DataJWT Policy Configuration TesterUse synthetic tokens to test declared claim rules; distinguish decoding from signature verification.
Passwords & GeneratorsJWT Test Token GeneratorCreate signed HS256 development tokens with a fresh random signing key and readable claims.
Text & WritingKanban BoardOrganize tasks into a local board with owners, priorities, due dates, search and project export.
Text & WritingKaraoke Word Timing EditorAssign word highlights and syllable timings. Preview synchronization. Export supported formats.
Text & WritingKeyboard Access Key Collision CheckerCompare localized labels and shortcut assignments; propose conflict-free mappings.
Text & WritingKeyboard Layout Text RecoveryRecover pasted wrong-layout text between US QWERTY, Russian JCUKEN and US Dvorak, with custom mappings, explicit direction and exact reverse checks.
Text & WritingKeyboard Navigation Test RecorderRecord manual focus order and traps; attach screenshots; export a reproducible issue report.
Text & WritingKeyboard Shortcut Conflict CheckerAudit keyboard shortcuts for duplicate bindings, overlapping contexts, chord-prefix conflicts and common browser collisions. Export a clean…
ConvertersKinematic Viscosity ConverterConvert kinematic viscosity without confusing it with density-dependent dynamic viscosity.
Everyday CalculatorsKinetic Energy CalculatorCalculate translational kinetic energy from mass and speed.
ConvertersKitchen Conversion Reference CardBuild a custom card from verified user-selected conversions and equipment-specific measurements. Use your own input, a worked example and…
Everyday CalculatorsKnitting Gauge CalculatorTranslate a measured stitch and row gauge to a target rectangle.
Developer & DataKubernetes Resource Request PlannerUse supplied measurements; compare requests and limits; export assumptions and manifests.
Images & DesignLabel & Barcode MakerFull workspaceDesign and print labels with Code 128, EAN-13, UPC-A and QR codes. Avery and A4 sheets, 4x6 shipping and Zebra, DYMO or Brother roll labels, data…
Images & DesignLabel Sheet Capacity PlannerCount rectangular labels on a sheet with margins and gaps.
Text & WritingLanguage Fallback Chain DesignerModel resource fallbacks; simulate missing keys; export configuration and coverage.
Text & WritingLarge Print Document ReformatterReflow supplied text using explicit large-print presets; export printable documents.
Developer & DataLarge Text Record Stream SlicerTake a useful interval from a large text or JSON Lines file without displaying the entire source.
Developer & DataLaser Cutting & CNC Design PreflightInspect SVG and supported DXF contours, find open paths and duplicate candidates, assign cut or engrave operations, prepare kerf offsets and…
Everyday CalculatorsLaser Job Quote PlannerEstimate cutting and engraving jobs with per-piece material, runtime, setup, finishing and machine rates.
Images & DesignLaser Kerf Compensation LabOffset supported paths from measured kerf; compare inside/outside fit tests.
Developer & DataLast-modified Evidence CheckerCompare supplied content hashes and dates; flag timestamp changes without content changes. Use your own input, a worked example and downloadable…
Everyday CalculatorsLaundry Detergent PlannerEstimate detergent quantity and cost for a set of wash loads.
Everyday CalculatorsLaundry Load Batch PlannerGroup garments by a wash label, then arrange their weights into machine loads and compare time and water estimates.
Images & DesignLayered Photo EditorFull workspaceEdit photos and create designs with layers, masks, brushes, selections, text, shapes and blend modes. Keep edits in a saved project and export…
Developer & DataLayout Shift Evidence ExplorerReview layout-shift recordings with visual session windows, moved-element diagrams and repair notes. Inspect recent-input exclusions and export a…
Audio & VideoLead Sheet Assembly WorkbenchAssemble a piano-roll melody, chord symbols and your lyrics into a printable lead-sheet reference with MIDI playback data.
Everyday CalculatorsLED Series Resistor CalculatorEstimate a series resistor and its dissipation for one LED branch.
Developer & DataLegacy DBF Table ReaderInspect legacy dbf table reader with typed values, byte locations and portable decoded exports.
Everyday CalculatorsLesson Timing BuilderBalance teaching, practice and checks within a lesson, with transition time and objective coverage.
Developer & DataLetter Spacing Optical Proof ToolCompare kerning pairs and words; record manual adjustments; export proof sheets.
Images & DesignLetterhead Layout CheckerCheck logo, address and content clearances against a reusable letterhead grid. Use your own input, a worked example and downloadable results.
Developer & DataLevel of Detail PreviewerCompare user-supplied LODs by distance. Inspect popping and triangle budgets.
Everyday CalculatorsLibrary Acquisition Budget PlannerBuild a priority-based purchase shortlist with copy quantities, discounts and a spending ceiling.
Everyday CalculatorsLibrary Hold Queue AllocatorAssign available copies to dated hold requests and calculate collection deadlines for the first eligible readers.
Everyday CalculatorsLibrary Loan TrackerReview a small lending collection for overdue loans, upcoming returns and borrower-level follow-up.
Everyday CalculatorsLibrary Shelf Capacity PlannerEstimate shelf demand by collection type using average spine widths, growth and browsing space.
Developer & DataLicense Header Consistency AuditorCheck source headers against supplied templates; preview approved replacement patches.
Everyday CalculatorsLife Calendar / Memento MoriCreate a personalized weekly or monthly life calendar with a chosen planning horizon, reference date and colors. Download a scalable SVG poster or…
Developer & DataLikert Response VisualizationTurn ordered survey responses into grouped distributions without disguising ordinal categories as precise scores.
Developer & DataLine Engraving Image ConverterTranslate tones into controllable vector line densities; inspect detail and export paths.
Everyday CalculatorsLine Slope CalculatorFind the slope, intercept and inclination of a line through two points.
Everyday CalculatorsLinear Calibration Curve FitterFit a straight line to calibration pairs, inspect residuals and back-calculate one entered response.
Everyday CalculatorsLinear Equation System SolverSolve a small square linear equation system using pivoted elimination and inspect equation residuals.
Everyday CalculatorsLinear Interpolation CalculatorEstimate a value between two known data points.
Everyday CalculatorsLinear Recurrence Sequence GeneratorGenerate exact Fibonacci, Lucas, Pell or custom integer recurrence sequences with indexed terms and calculation steps.
Everyday CalculatorsLinear Stock Cutting PlannerArrange cut lengths into stock bars, account for saw kerf and export a practical bar-by-bar cutting list.
Everyday CalculatorsLinear Thermal Expansion CalculatorEstimate length change from temperature change and expansion coefficient.
Developer & DataLink Purpose Review AssistantExtract link labels from pasted HTML; identify repeated ambiguous descriptions. Use your own input, a worked example and downloadable results.
Text & WritingList Batch Splitter & Group BuilderDivide a list into balanced groups or fixed-size batches, keep contiguous order or distribute round robin, and export batch JSON, assignment CSV…
Text & WritingList Frequency Analyzer & StatisticsCount whole-item frequencies, find repeated or singleton entries, compare Unicode-normalized values and export counts, percentages and original…
Text & WritingList InterleaverMerge two lists in alternating batches while preserving order and keeping remaining items.
Text & WritingList Pairing & Unzip WorkbenchPair two lists by position, handle unmatched items explicitly and split JSON pairs back into columns with lossless JSON and CSV exports.
Text & WritingList Prefix, Suffix & Wrapper EditorAdd, remove or replace literal item prefixes and suffixes with exact edge matching, unmatched-item preservation and an exportable before-and-after…
Text & WritingList Quote & Unquote ConverterQuote or strictly decode each item as a JSON string, quoted CSV field or SQL string literal, with reversible escaping, error locations and JSON or…
Text & WritingList Rotate, Shift & ReverseRotate lists without loss, shift items with explicit padding and discarded-item reports, or reverse their order with original source-position…
Text & WritingList Separator & Delimiter WorkbenchConvert list separators with literal or quoted-field parsing, custom delimiters, empty-item controls and a preview that warns about ambiguous output.
Text & WritingList Slice & Position SelectorExtract or exclude inclusive list ranges with steps, reverse traversal and negative positions, keeping an audit of each original item position and…
Text & WritingList Sorter & Duplicate RemoverSort a list, remove repeated lines and tidy surrounding spaces. Preserve the first spelling, use natural numeric order and export the complete result.
Text & WritingList to HTML, Markdown & LaTeX ConverterTurn plain-text items into escaped HTML, Markdown or LaTeX lists with numbered or bulleted styles, starting numbers and safe HTML preview.
Text & WritingList to Rows & Columns ArrangerArrange a flat list into a row-first or column-first grid, transpose the result and export complete JSON with source-position and padding audits.
Text & WritingLive Score Overlay ComposerCreate editable score panels with local controls. Export browser-source packages.
Images & DesignLiving Hinge Pattern DesignerCreate bounded cut patterns; show geometry constraints and require material test coupons.
Developer & DataLoad Test Ramp PlannerPlan a linear user ramp from starting to target concurrency.
Everyday CalculatorsLoan Repayment CalculatorEstimate a fixed-rate loan payment and review a monthly amortization schedule for principal and interest.
Developer & DataLocal Deployment File Manifest PlannerCompare local package manifests; show changed files and exclusions without uploading.
Text & WritingLocale Date Pattern TesterPreview format patterns across locales and time zones with edge-case dates.
Developer & DataLocale Number Import ResolverChoose decimal and grouping separators with confidence, and see values that have more than one valid meaning.
Text & WritingLocale Number Pattern ExplorerCompare grouping, signs and digit sets for supplied values. Use your own input, a worked example and downloadable results.
Text & WritingLocale Sorting Order PreviewCompare locale-sensitive and code-point sorting with visible tie handling. Use your own input, a worked example and downloadable results.
Text & WritingLocale Tag CanonicalizerValidate supported BCP47 tags; explain subtags; export normalized tag lists. Use your own input, a worked example and downloadable results.
Text & WritingLocalization Placeholder Parity CheckerCompare source-target variables and markup; report missing or altered placeholders.
Text & WritingLocalization Release Coverage DashboardImport resource bundles; compare completion and stale entries; export release evidence.
Text & WritingLocalized Filename Safety CheckerCheck Unicode names against chosen platform restrictions; preview safe alternatives. Use your own input, a worked example and downloadable results.
Developer & DataLocalized Font Fallback PreviewPreview scripts with declared fonts; inspect baseline and line-height differences.
Text & WritingLocalized Punctuation Spacing FixerApply explicit typographic conventions; preview every replacement before export. Use your own input, a worked example and downloadable results.
Text & WritingLocalized Screenshot Review BoardGroup uploaded screenshots by locale; annotate clipping and untranslated content.
Developer & DataLocation Metadata Exposure ReviewShow coordinate-bearing fields in selected media; remove approved metadata from copies.
Developer & DataLog File AnalyzerFind errors, filter log levels and inspect repeated messages in pasted plain-text or JSON-line logs.
Developer & DataLog Redaction Policy TesterApply explicit patterns to synthetic or sanitized logs; review misses and false positives.
Developer & DataLog Retention Storage PlannerEstimate log storage with retention and a supplied compression multiplier.
SimulationsLogic Grid Puzzle BuilderWrite categories and clues, prove the puzzle has exactly one answer, solve it on an interactive grid, and export printable and playable copies…
Everyday CalculatorsLong Division CalculatorWork through integer long division step by step and see the quotient and remainder.
Developer & DataLong Path Compatibility CheckerTest selected paths against target-platform constraints; generate shortening plans.
Developer & DataLong Task Source GroupingMap uploaded long-task records to scripts and stacks; compare time contribution.
Text & WritingLong-form Reading Navigation BuilderCreate chapter summaries, section links and reading checkpoints from supplied text.
Everyday CalculatorsLook-and-Say Sequence ExplorerExplore the look-and-say sequence from your own digit seed. Generate terms, compare lengths and growth, inspect digit counts and export complete…
Everyday CalculatorsLoot Drop Session SimulatorSimulate a weighted loot table over a session, compare observed drops with expectations and inspect dry streaks using a repeatable seed.
Developer & DataLoot Table Dependency AuditorTrace nested tables. Detect cycles and impossible drops. Export probability summaries.
Text & WritingLorem Ipsum GeneratorGenerate placeholder text with exact word counts, optional HTML wrappers, presets and a repeatable seed.
Text & WritingLower Third Graphics BuilderDesign reusable name straps with safe areas and animations. Export alpha assets or CSS.
ConvertersLuminance ConverterConvert surface luminance between nits, stilbs and lambert definitions.
Audio & VideoLyric Syllable Alignment EditorAlign syllables to melody notes. Inspect melismas. Export supported notation data.
Text & WritingLyrics Timing Practice WorkspaceAlign user-owned lyrics with audio. Review repeats and sections. Export timed lyrics.
Audio & VideoM3U Playlist EditorInspect ordinary playlists, sort titles, remove repeated paths and export extended M3U.
Text & WritingMachine Translation Evaluation WorksheetCompare supplied translations with human ratings; summarize errors without inventing quality scores.
Images & DesignMacro Extension Magnification CalculatorEstimate extra magnification from an extension tube on a simple lens.
ConvertersMagnetic Flux ConverterConvert magnetic flux in webers, maxwells and SI prefixes.
ConvertersMagnetic Flux Density ConverterConvert magnetic flux density between tesla, gauss and SI prefixes.
Text & WritingMail Merge Document BuilderTurn CSV records and a text template into personalized Word documents, HTML letters or text files with missing-field checks and batch ZIP export.
Developer & DataMaintenance Window Conflict CheckerCompare declared service dependencies and schedules; flag overlapping outage risks.
Images & DesignMandelbrot Fractal ExplorerExplore the Mandelbrot set with click-to-zoom navigation, coordinates, iteration controls, palettes, cancellable rendering and PNG exports.
Text & WritingManuscript Character Name ConsistencyTrack character-name aliases and inspect possible spelling variants beside their original contexts.
Text & WritingManuscript Consistency Style SheetKeep preferred spellings and editorial decisions in one style sheet, with contextual matches and approved changes.
Text & WritingManuscript Quote & Bracket AuditorLocate unmatched quotation marks and brackets, inspect their line positions and review punctuation pairs before publishing a manuscript.
Text & WritingManuscript Scene Card OrganizerExtract marked scenes; reorder summaries; track viewpoint, setting and unresolved threads.
Everyday CalculatorsMap Distance CalculatorEstimate the straight-line surface distance and initial bearing between two coordinates.
Developer & DataMap Legend and Scale ComposerBuild declared map classes and a print-scale legend with units and assumptions attached.
Developer & DataMarimekko Comparison Chart BuilderCompare group sizes and their internal shares in one chart without losing the underlying denominators.
Text & WritingMarkdown Checklist Progress ReportTurn Markdown task lists into a completion report with task status and portable exports.
Text & WritingMarkdown Footnote AuditorAudit literal Markdown footnote references for missing, duplicate and unused single-line definitions.
Text & WritingMarkdown Front Matter EditorInspect or replace YAML front matter while keeping the Markdown body intact.
Text & WritingMarkdown Glossary BuilderBuild an escaped Markdown glossary from term-definition pairs, with optional alphabetical ordering.
Text & WritingMarkdown Link AuditorInspect inline and reference links, heading anchors and unsafe schemes in Markdown documents.
Text & WritingMarkdown Presentation BuilderCreate slides from Markdown with themes, speaker notes, presentation mode and standalone HTML export.
Text & WritingMarkdown Reference Link BuilderTurn label-and-URL lists into escaped Markdown reference links, reusing definitions for identical URLs.
Developer & DataMarkdown Rendering Safety PreviewInspect raw HTML and unsafe links; export sanitized content with a change log.
Developer & DataMarkdown Table BuilderTurn spreadsheet TSV or CSV into readable Markdown tables with alignment, padding, literal-text escaping and multiline-cell controls. Copy or…
Text & WritingMarkdown Task List ExtractorExtract open and completed Markdown checkboxes into a line-numbered table and CSV, skipping fenced code examples.
ConvertersMass Flow ConverterConvert mass throughput rates without making assumptions about fluid density.
Everyday CalculatorsMaterial Mass from Density CalculatorCalculate mass and weight from a supplied volume and density.
Images & DesignMaterial Test Coupon GeneratorCreate labeled fit, spacing and line-width samples for user-supervised material tests. Use your own input, a worked example and downloadable results.
Everyday CalculatorsMaterial Waste Allowance CalculatorPlan purchase quantity from net demand and a loss fraction of purchased material.
Everyday CalculatorsMatrix Operations WorkbenchAdd, subtract, multiply, transpose or invert small matrices with explicit shape checks and numeric exports.
Everyday CalculatorsMatrix Transformation LabSee how 2D scale, rotation, shear and translation transform a shape, compare operation order and export coordinates and the combined matrix.
Everyday CalculatorsMeal Prep Container MatcherMatch equal-size prepared portions to available container sizes, compare wasted capacity and identify shortages.
Developer & DataMeasurement Repeatability StudySeparate repeat, operator, interaction and part variation with a balanced crossed study and raw cell evidence.
Everyday CalculatorsMeasurement Uncertainty BudgetCombine independent uncertainty components with sensitivity coefficients and an explicit coverage factor.
Everyday CalculatorsMechanical Power CalculatorCalculate power from work and duration with energy-unit breakdown.
Developer & DataMedia Sidecar Association CheckerMatch XMP, captions and project sidecars to assets; flag orphans and ambiguous matches.
Everyday CalculatorsMeeting Action TrackerTurn meeting follow-up actions into an owner workload, age report and overdue action list.
Text & WritingMeeting Agenda BuilderTurn timed topics into a meeting agenda with start, finish and total duration.
Everyday CalculatorsMeeting Cost CalculatorEstimate the cost of participant time for a meeting, compare role costs and calculate weekly or annual totals for recurring meetings.
Text & WritingMeeting Minutes BuilderTurn meeting notes into minutes with decisions, owners, deadlines and action summaries.
Everyday CalculatorsMeeting Overrun Recovery PlannerRebuild a remaining agenda after an overrun by trimming lower-priority items down to their minimum useful durations.
Audio & VideoMelodic Dictation PracticeCreate bounded scale-based phrases. Adjust replay and hints. Export exercises.
Images & DesignMeme GeneratorAdd outlined captions to your images with sizing, alignment and image export controls.
Developer & DataMesh Component Separation ToolSplit disconnected shells or named groups. Export organized assets with provenance.
Developer & DataMesh Material Assignment AuditorAudit supplied mesh material/group assignments against your declared materials and attached texture inventory.
Developer & DataMesh Memory EstimatorEstimate raw vertex and index buffer storage for a mesh.
Developer & DataMesh Pivot and Origin EditorPlace pivots at anchors or bounds. Preview rotations. Export compatible transforms.
Developer & DataMesh Surface Area and Volume InspectorMeasure closed supported geometry. Flag invalid topology and unit assumptions.
Developer & DataMesh Vertex Color EditorBuild an axis-based vertex-color gradient on a supported mesh, preview the colors and export OBJ or PLY geometry.
Developer & DataMessagePack Data InspectorInspect messagepack data with typed values, byte locations and portable decoded exports.
Developer & DataMeta Description Duplication InspectorGroup near-identical descriptions; retain page context; export rewrite candidates. Use your own input, a worked example and downloadable results.
Audio & VideoMetronome Practice Routine BuilderCreate tempo ramps, silent bars and accents. Save routines and export audio.
Audio & VideoMIDI Event Table InspectorInspect MIDI tracks, tempo changes and note durations as searchable event tables, with precise tick and elapsed-time exports.
Audio & VideoMIDI Humanization LabApply bounded seeded timing and velocity variation. Compare against original phrasing.
Audio & VideoMIDI Instrument RemappingMap programs and drum notes between supplied profiles. Report unmapped events.
Audio & VideoMIDI Note Frequency CalculatorConvert a MIDI note number to equal-tempered frequency with adjustable concert pitch.
Audio & VideoMIDI Note Overlap CleanerDetect conflicting note-offs and overlaps. Apply explicit policies. Export a change report.
Audio & VideoMIDI Quantization Review LabCompare grids and strength settings. Preserve originals. Export approved timing changes.
Audio & VideoMIDI Sustain Pedal RepairInspect overlapping pedal events and hanging notes. Preview corrected controller tracks.
Audio & VideoMIDI Velocity Shaping WorkbenchDraw dynamics curves. Inspect accents. Export edited tracks with audition.
Text & WritingMind Map MakerBuild a hierarchical mind map with editable nodes, collapse controls and SVG export.
Everyday CalculatorsMiniature Paint Project PlannerEstimate batch painting effort, consumable use and a sequential schedule with drying pauses.
Developer & DataMock Clock Scenario BuilderCreate deterministic time sequences around midnight, leap days and DST transitions.
Everyday CalculatorsModular Arithmetic WorkbenchCalculate exact modular sums, products, powers, inverses and division, with normalized residues and verification steps.
Everyday CalculatorsMomentum & Impulse CalculatorCalculate momentum change and average force over a time interval.
Developer & DataMonogram Construction WorkbenchCombine user-supplied initials with editable geometry; export SVG and print variants.
SimulationsMonte Carlo SimulatorA probability lab: estimate π with darts and Buffon's needle, play Monty Hall a million times, drop balls through a Galton board, roll dice until…
Everyday CalculatorsMonthly Habit TrackerTrack routines in a month grid with day marks, targets, undo and portable JSON projects. Optional explicit browser save, multiple marked months…
Text & WritingMorse Code TranslatorTranslate text and International Morse characters with adjustable audio, WAV downloads, unsupported-character reports and a playable character…
Developer & DataMotion Path Orientation DesignerDraw paths. Control tangents and facing. Export sampled transforms and SVG paths.
Developer & DataMotorola S-record ↔ Binary ConverterValidate S-record lengths, checksums and address widths, reconstruct binary or produce S1/S2/S3 data records.
Everyday CalculatorsMoving Average ExplorerCompare a trailing simple moving average with a first-sample-seeded exponential moving average.
Everyday CalculatorsMoving Box ManifestGroup belongings by box and destination room, total packed weight and declared value, and flag boxes above a handling limit.
Everyday CalculatorsMoving Box Planner & LabelsOrganize moving boxes by room, contents and priority; track packed/delivered states, search the manifest and print local QR labels with portable…
Everyday CalculatorsMoving Cost & Checklist PlannerCompare DIY truck rentals and mover quotes, budget travel and move-in cash, and track a dated checklist in one place.
Developer & DataMTBF Availability EstimatorEstimate steady-state availability from mean time between failures and repair duration.
Everyday CalculatorsMulch Quantity CalculatorEstimate mulch coverage volume and bags from area and layer depth.
Text & WritingMulti-document Contents BuilderAssemble section headings and source links into a navigable reading index. Review existing Word files with editable decisions, structural previews…
Developer & DataMulti-step Form Flow BuilderDesign validation, progress and back navigation; export a local form prototype.
Developer & DataMultiline Log Event StitcherReassemble stack traces and wrapped log lines into complete events, preserving source line ranges and exporting structured JSONL.
Developer & DataMultilingual Font Coverage CheckerCompare supplied text with uploaded glyph maps; report missing characters by font.
Text & WritingMultilingual Search Normalization LabCompare accent, script and token normalization; inspect false matches and losses.
Developer & DataMultipart Form Data InspectorInspect supplied payload boundaries and fields; flag malformed parts; export a readable report.
Developer & DataMultiple Testing Adjustment ExplorerCompare raw and adjusted p-values with clear error-control assumptions and a chosen decision threshold.
Everyday CalculatorsMuseum Label Text PlannerPrepare object-label copy and check description length and estimated line counts before layout.
Text & WritingMusic Chord Chart TransposerTranspose bracketed chord charts or chord-only lines with slash-bass handling, semitone or tonic shifts, capo shapes, spelling options and…
Audio & VideoMusic Notation Editor OnlineFull workspaceWrite sheet music in your browser: type or click notes, add chords, chord symbols and lyrics, hear playback, and print a PDF. Export MusicXML for…
Audio & VideoMusic Practice Error LogRecord passages and mistake types. Schedule targeted repeats from user priorities.
Audio & VideoMusical Motif Variation LabTransform user-entered motifs by inversion, retrograde and rhythm. Export MIDI variants.
Everyday CalculatorsMusician Practice Balance PlannerCompare logged practice time with weighted goals and create a next-week time allocation by skill area.
Everyday CalculatorsMutual Aid Supply AllocatorAllocate entered supplies to prioritized requests and show partial fills and unmet needs by item.
Text & WritingNATO Phonetic Alphabet ConverterSpell names and codes using Alfa, Bravo and the NATO spelling alphabet, with a character-by-character reference.
SimulationsNatural Selection SimulatorWatch evolution happen live: creatures with speed, size and sense genes compete for food, mutate and adapt. Change food, mutation, predation and…
Images & DesignND Filter Shutter CalculatorCalculate shutter duration after adding a neutral-density filter.
Developer & DataNDJSON Record FilterFilter newline-delimited JSON by a field condition, choose output fields and inspect rejected lines without losing the valid records.
Developer & DataNear-duplicate Photo Review BoardGroup perceptually similar images; compare resolution and metadata; export keep decisions.
Everyday CalculatorsNegative Base Number ConverterConvert decimal integers to negabinary, negadecimal and other negative bases, or decode their digits with exact positional steps.
Developer & DataNetstring Encoder & DecoderEncode and decode UTF-8 netstrings with byte-accurate lengths, batch inspection and text, CSV or JSON exports.
Developer & DataNetwork Request Duplication AnalyzerGroup repeated requests by normalized URL and payload fingerprint; export waste evidence.
Developer & DataNetwork Subnet Allocation BoardAllocate private address blocks; detect overlaps; export an address management plan.
Images & DesignNine-patch Image BuilderCreate a one-pixel Android-style stretch and content border around an image, preview guide placement and export a .9.png asset.
Developer & DataNormal Map Convention ConverterFlip supported axes and channels. Preview lighting differences. Export documented maps.
Developer & DataNotification Toast Pattern BuilderSet priorities, timeouts and announcements; export dismissible accessible examples.
Passwords & GeneratorsNPC Personality GeneratorBuild tabletop characters with a role, motivation, flaw and distinctive habit.
Developer & DataNPM Lockfile ExplorerExplore package-lock entries, duplicate installed versions, integrity fields and install-script flags.
Developer & DataNumber Base ConverterConvert exact integers between bases2–36, compare binary/octal/decimal/hex/base36 and inspect signed two’s-complement patterns with little/big…
ConvertersNumber Rounding CalculatorRound a decimal exactly to decimal places or significant figures with an explicit tie rule.
Developer & DataNumber Sequence Gap CheckerFind missing whole-number identifiers between your smallest and largest supplied values.
Text & WritingNumbered List Locale PreviewRender supported numbering systems and direction; export sample HTML lists. Use your own input, a worked example and downloadable results.
Images & DesignNumbered Ticket Sheet GeneratorCreate a numbered event ticket sheet with a custom prefix and printable cut guides.
Text & WritingNumbers to Words ConverterConvert numbers to English words with exact large integers and decimals. Supports ordinals, currency wording, US/UK style, batch lines and TXT or…
Developer & DataOAuth Flow Sequence DesignerVisualize actors, redirects and token boundaries; export diagrams with security review notes.
Passwords & GeneratorsOAuth PKCE Pair GeneratorGenerate an OAuth verifier and its S256 challenge together, plus copyable authorization parameters.
Developer & DataObject Pool Capacity PlannerEstimate pooled objects from spawn rate and maximum lifetime.
Developer & DataObservability Dashboard Spec BuilderDefine panels, queries and units; export supported configuration subsets.
Developer & DataOffline Error Page BuilderCreate useful fallback pages with retry, saved work and connectivity guidance.
Developer & DataOffline Site Package AuditorInspect a local site ZIP; find missing resources and remote dependencies.
Everyday CalculatorsOhm’s Law CalculatorFind voltage, current, resistance and power from two known electrical quantities.
Developer & DataOnion Skin Frame Alignment BoardCompare drawing frames with anchors. Correct registration. Export aligned sequences.
Developer & DataOpenAPI Explorer & Request BuilderExplore OpenAPI 3.0 and 3.1 JSON or YAML, search endpoints, inspect local references and schemas, edit request parameters and export cURL,…
Developer & DataOpenAPI Security Scheme AuditorReview declared auth requirements and overrides; flag accidentally unprotected operations.
Everyday CalculatorsOral History Session PlannerArrange interview topics, consent checks and recording-storage estimates for an oral-history session.
Everyday CalculatorsOrder Fulfillment PlannerAllocate a limited pool of one product to due orders and compare full-order versus partial fulfillment.
Images & DesignOrg Chart & Family Tree MakerFull workspaceMake org charts and family trees online for free. Automatic layout, add people with one key, drag to change managers, collapse teams, photos and…
Developer & DataOrganic Traffic Seasonality ExplorerCompare imported periods and weekdays; distinguish recurring demand from sudden drops.
Developer & DataPackage JSON Dependency CompareCompare dependency ranges across two package.json files and export a section-by-section change report.
Everyday CalculatorsPackage Unit Cost CalculatorCompare landed cost per usable item after rejects and shipping.
Images & DesignPackaging Assembly Instruction MakerBuild numbered fold and glue steps from dielines; export illustrated sheets.
Images & DesignPackaging Label Placement ProofWrap labels around simple package shapes; show seam and distortion boundaries.
Developer & DataPacked BCD Encoder & DecoderEncode decimal digit strings as packed 8421 BCD or decode BCD nibbles with leading-zero preservation and invalid-digit checks.
Everyday CalculatorsPacking Box Capacity PlannerCount axis-aligned identical boxes in a rectangular space using all six orientations.
Text & WritingPacking Checklist BuilderCreate a grouped printable packing checklist from item names, quantities and packed states.
Text & WritingPacking Slip BuilderBuild shipment packing slips with ordered, shipped and outstanding quantities.
Developer & DataPagination Page Count CalculatorPlan page count and the last page size for a dataset.
Developer & DataPagination Signal AuditorReview paginated URL sets and canonical choices; flag inconsistent navigation patterns.
Everyday CalculatorsPaint Coverage CalculatorEstimate paint for a rectangular room, subtract openings and include the number of coats.
Everyday CalculatorsPaired Measurement Agreement AnalyzerInspect differences between two measurement methods with bias, sample standard deviation and descriptive agreement limits.
Developer & DataPairwise Test Scenario GeneratorCover factor pairs with constraints; compare coverage; export reproducible test matrices.
Text & WritingPalindrome AnalyzerCheck phrases and lines for palindromes, compare exact or normalized text, locate mismatches and find the longest palindromic substring.
Images & DesignPanorama Overlap PlannerEstimate shots for a sweep using field of view and overlap.
Everyday CalculatorsPantry Expiry InventoryOrganize pantry label dates by review date, location and upcoming-date window without making food-safety judgments.
Everyday CalculatorsPantry Supply PlannerEstimate how long a household supply will last at a fixed daily use.
Images & DesignPaper Bag Template DesignerBuild supported gusseted bag nets; label glue and fold regions; export vectors.
Everyday CalculatorsPaper Stack Thickness CalculatorEstimate stack height from sheet count and measured paper thickness.
Everyday CalculatorsPaper Weight EstimatorEstimate total paper mass using area and grammage.
Text & WritingParagraph Order & Filter WorkbenchReorder blank-line-separated paragraphs by original order, spelling or grapheme length and filter by a literal phrase.
Developer & DataParallel Coordinates ExplorerFilter multidimensional records, control axis order and export the exact selected rows.
Developer & DataParallel Speedup CalculatorEstimate ideal parallel speedup using Amdahl’s law.
Text & WritingParallel Text Alignment EditorLink original and translated or revised paragraphs manually, then export transparent bilingual segments.
Everyday CalculatorsParallelogram Area CalculatorCalculate the area of a slanted rectangle using perpendicular height.
Images & DesignParametric 3D Model MakerFull workspaceCreate 3D-printable objects from your own measurements: storage boxes with lids, drawer organizers, L brackets, phone stands, electronics…
Everyday CalculatorsParent Conference SchedulerBuild consecutive family appointments with buffers and spillover to later dates when a daily window fills.
Developer & DataParticle Emitter Budget PlannerEstimate simultaneous particles and vertex count for quad particles.
Everyday CalculatorsParty Drink Quantity PlannerPlan nonalcoholic drink volume from your own serving assumptions.
Everyday CalculatorsPascal’s Triangle VisualizerGenerate exact Pascal triangle rows and explore odd/even or modular patterns. Inspect a selected row and its sum, then export scalable SVG, PNG or…
Text & WritingPassive Voice Review AssistantFlag rule-based candidates; explain uncertainty; let writers dismiss false positives. Use your own input, a worked example and downloadable results.
Developer & DataPassword Policy Usability TesterTest synthetic passwords against declared rules; identify contradictory or frustrating constraints.
Developer & DataPBR Channel Packing ConverterMap roughness, metallic and occlusion channels across declared engine profiles.
Audio & VideoPCM Audio Storage CalculatorEstimate uncompressed audio size from sampling format.
PDF ToolsPDF Accessibility InspectorReview PDF titles, language, page structure, figures, form labels and extracted reading order. Preview pages, record manual findings and export an…
Developer & DataPDF Accessibility Statement BuilderPublish an honest, dated accessibility statement based on checks you actually performed.
Developer & DataPDF Annotation Round-trip ManagerReview supported PDF annotations and exchange source-checked editable annotation data.
PDF ToolsPDF Attachment ExtractorList files embedded in a PDF, choose attachments and download them in a ZIP without opening their content.
Developer & DataPDF Bates Numbering WorkbenchAdd unique sequential page identifiers and keep a page-to-source delivery manifest.
Developer & DataPDF Blank Page DetectorFind likely blank pages by rendering them, then remove only the pages you approve.
PDF ToolsPDF Booklet MakerArrange PDF pages for folded booklets with A4/Letter sheets, left/right binding, folding groups, automatic blanks and a saved-output preview.
Developer & DataPDF Bookmark EditorBuild a clear chapter navigation tree with real page destinations.
Developer & DataPDF Color Space InspectorSee where RGB, CMYK, gray, ICC and named-color resources meet in a PDF.
PDF ToolsPDF Comparison WorkspaceCompare two PDF versions with side-by-side pages, visual difference highlights, overlay previews and extracted-text comparisons.
Developer & DataPDF Content Stream Size AnalyzerFind large encoded PDF streams and focus optimization on the resources that matter.
Developer & DataPDF Document Portfolio SplitterUnpack embedded documents with names, relationship evidence and an indexed delivery ZIP.
Developer & DataPDF Duplicate Page FinderCompare rendered pages and review exact or perceptually similar candidates.
Developer & DataPDF Embedded Font AuditTrace fonts, embedding and Unicode mapping evidence to the pages that use them.
Developer & DataPDF Form Field InventoryInspect form names, types, flags and widget locations before changing a form.
Developer & DataPDF Form Tab-order DesignerInspect keyboard traversal and arrange existing form widgets by page.
Developer & DataPDF Hidden Content AuditInventory attachments, optional layers, scripts and hidden annotations before sharing.
PDF ToolsPDF Interleave CollatorAlternate pages from two PDFs, reverse scanned backs when needed and retain unmatched final pages.
Developer & DataPDF Link Annotation EditorReview link rectangles and repair web or page destinations in a new PDF.
PDF ToolsPDF Margin CropperTrim visible PDF page margins with separate edge controls, page-range selection and an output preview.
Developer & DataPDF Metadata EditorInspect and edit title, author, keywords and dates in a static PDF copy. Clear standard document properties locally and download a metadata report.
PDF ToolsPDF N-up Print LayoutArrange multiple PDF pages on one sheet with grid, spacing, margins and optional cell borders.
Developer & DataPDF OCR Text Layer ComparisonCompare a PDF text layer with your corrected transcription using real source coordinates.
Developer & DataPDF Optional Layer ControllerReview named PDF layers and choose their initial visibility in a copy.
PDF ToolsPDF Page Label EditorAssign Roman and Arabic page labels independently from printed page numbers. Use local file input, a worked example and downloadable results.
PDF ToolsPDF Page Range ComposerBuild reusable inclusion rules from labels, sizes and odd/even sections. Use local file input, a worked example and downloadable results.
PDF ToolsPDF Page Rotation DetectorSuggest orientation from extracted text; let users confirm batch rotations. Use local file input, a worked example and downloadable results.
PDF ToolsPDF Page Size ConverterPlace PDF pages on A4, Letter, A3 or custom paper, preserve proportions and preview the printable result.
PDF ToolsPDF Page Size InspectorInspect every PDF page’s size, crop box, rotation and paper dimensions in points and millimetres.
Developer & DataPDF Print Scaling Proof SheetGenerate a measurable PDF proof with calibration rulers around your selected page.
Developer & DataPDF Raster Image ExtractorExtract original JPEG streams and supported lossless raster pixels with a source index.
PDF ToolsPDF Redaction & VerificationMark private areas, find text candidates and export a flattened PDF with covered pixels replaced. Inspect the output and download a verification…
Developer & DataPDF Signature Presence InspectorInspect signature fields and byte coverage without confusing presence with trust.
Developer & DataPDF Text Region Exclusion ExtractorExtract cleaner text while excluding repeated headers, footers and selected marginal regions.
Developer & DataPDF Thin Line and Small Text PreflightFind small text and potentially fragile vector strokes before print proofing.
PDF ToolsPDF to JPG / PNG ConverterConvert selected PDF pages to JPG, PNG or WebP locally. Preview pages, set resolution, preserve image proportions and download individual images…
PDF ToolsPDF WatermarkAdd a text or logo watermark to PDFs locally. Choose pages, opacity, rotation and repeating patterns; preview the saved PDF while preserving…
Images & DesignPDN Preview & Image ConverterOpen supported Paint.NET PDN3 bitmap layers, extract PNGs and create verified single-layer PDN files from images locally.
Everyday CalculatorsPeer Feedback Pairing PlannerCreate multi-round feedback pairs while reducing repeat pairings and optionally avoiding people from the same group.
Developer & DataPEM ↔ DER Container ConverterWrap binary ASN.1 data in a PEM container or decode exactly one PEM block with a label audit.
Everyday CalculatorsPercentage CalculatorFind a percentage of a number, a percentage share, a percentage change or an increase/decrease. See the calculation alongside the result.
Audio & VideoPercussion Rudiment TrainerSequence reviewed rudiment patterns. Adjust tempo and sticking. Export practice sheets.
Everyday CalculatorsPerformance Rights Cue LogPrepare a music-use log with credits, timing and manually recorded clearance status.
Developer & DataPermission Matrix Review WorkspaceCompare roles and resources; flag excessive or inconsistent access from supplied policies.
Everyday CalculatorsPermutation CalculatorCount ordered selections without replacement.
Passwords & GeneratorsPermutation List GeneratorEnumerate ordered selections without repeated items from a custom list of distinct labels.
Developer & DataPermutation Test BuilderCompare independent groups against a reproducible label-permutation null distribution.
Text & WritingPersonal Name Display FormatterTest user-supplied ordering rules; preserve full names without guessing ethnicity. Use your own input, a worked example and downloadable results.
Text & WritingPersonal Reading Preference CardSave fonts, spacing and color preferences; export a portable settings file and print card.
Images & DesignPerspective Document ScannerStraighten photographed documents with four-corner perspective correction and readable image export.
Everyday CalculatorsPet Food Supply PlannerEstimate supply duration from a feeding amount you already use.
Images & DesignPhoto Book & Memory Album MakerArrange photos into a multi-page memory book with captions, page layouts, themes and cover text. Reorder pages, adjust image fit and export a PDF,…
Images & DesignPhoto Collage MakerMake a photo collage free: 25 layouts with big and small frames, drag to position and zoom photos, swap frames, add a title, then download PNG,…
Images & DesignPhoto Contact Sheet MakerArrange photo thumbnails with filenames and adjustable grid settings into a downloadable contact sheet.
Developer & DataPhoto Delivery Naming and Variant BuilderGenerate client-specific sizes and names from approved masters with a delivery manifest.
Images & DesignPhoto Delivery Quota SelectorBuild a shortlist from rated photo metadata while balancing category minimums, file-count limits and a delivery-size budget.
Everyday CalculatorsPhoto Depth of Field PlannerEstimate near/far sharpness limits and hyperfocal distance, compare aperture scenarios, test target coverage and export reusable photography plans.
Developer & DataPhoto Dust Spot Review EditorMark repeated sensor spots across images; apply reviewed local repairs.
Images & DesignPhoto Editor like LightroomFull workspaceEdit photos online like in Lightroom: exposure, white balance, highlights and shadows, tone curves, HSL colour mixer, clarity, dehaze, sharpening,…
Developer & DataPhoto Horizon and Vertical GuideMeasure selected lines; correct rotation and perspective with crop previews.
Images & DesignPhoto Metadata Privacy CleanerInspect JPEG, PNG and WebP metadata containers and create clean image copies in batches with before-and-after previews.
Developer & DataPhoto Print Viewing-distance ProofingPreview calibrated print detail at declared viewing distances; compare sharpening variants; export test strips and assumptions.
Developer & DataPhoto Sequence Motion Trail MakerAlign a fixed-camera sequence; select subject masks; create a trail composite.
Images & DesignPhoto Wall Grid PlannerPlan the wall space for a regular grid of identical frames.
Passwords & GeneratorsPhotography Challenge GeneratorPlan a photography practice brief around composition, subject and a creative constraint.
Images & DesignPhotography Exposure Value CalculatorCalculate exposure value from aperture and shutter duration.
Everyday CalculatorsPhotography Shot PlannerBuild a timed photo shot list with location grouping, setup allowances, priorities and a visible cutoff for your available session.
Everyday CalculatorsPi Digit Generator & SearchCalculate up to 10,000 decimal digits of pi locally using exact integer arithmetic. Choose grouping and wrapping, search digit patterns and export…
Developer & DataPictogram Grid ComposerArrange supplied icons and labels into consistent instruction sheets.
Images & DesignPicture Frame Border CalculatorCalculate mat and outer frame dimensions around an image.
Images & DesignPixel Art & Sprite Editor OnlineFull workspaceDraw pixel art and animate sprites online for free: pixel-perfect pencil, shapes, fill, mirror drawing, layers, frames with onion skin, retro…
Images & DesignPixel Art Integer Scale PlannerFit pixel art within a target viewport using whole-number enlargement.
Images & DesignPixel Density CalculatorCalculate display pixel density and physical pixel pitch.
Images & DesignPixel Grid Pattern EncoderTurn a small binary pixel grid into a crisp SVG and row-packed hexadecimal bytes.
Everyday CalculatorsPizza Dough Ball PlannerPlan dough quantities for a chosen number of equal pizza balls.
Developer & DataPlain Language Form Label ReviewerFind unexplained abbreviations, vague buttons and missing units in supplied forms. Use your own input, a worked example and downloadable results.
Text & WritingPlain Language Revision WorkbenchReview long sentences and jargon in context, make your own revisions and keep the original wording traceable.
Text & WritingPlain Text Column AlignerPad delimited text into readable monospaced columns, with left or right alignment and adjustable spacing.
Text & WritingPlain Text Justification WorkbenchWrap and fully justify paragraphs with explicit grapheme width, leftmost gap distribution and last-line handling.
Text & WritingPlain Text Redaction HelperReplace literal sensitive terms with block characters and download a clean text copy for manual review.
Text & WritingPlain Text Table ParserConvert pasted aligned, pipe-separated or tab-separated text tables into structured CSV, JSON and Markdown with visible column checks.
Developer & DataPlatformer Jump Envelope DesignerSimulate declared movement parameters. Visualize reachable regions. Export test layouts.
Developer & DataPlayer Journey Funnel SimulatorModel tutorial steps and drop-off assumptions. Compare designs without pretending to predict players.
Images & DesignPlotter Multi-pen SeparationAssign paths to pens. Preview layer registration. Export per-pen files.
Images & DesignPlotter Pen Path OptimizerReorder supplied paths to reduce travel; preserve drawing order constraints; export vectors.
Text & WritingPlural and Possessive Review ListFlag selected ambiguous patterns; show rule notes and editable exceptions. Use your own input, a worked example and downloadable results.
Text & WritingPlural Rule Coverage TesterGenerate representative counts; identify unhandled plural categories in messages.
Images & DesignPNG Alpha Mask ExtractorTurn PNG transparency or brightness into a black and white mask with soft or hard edges, ready for design and game tools.
Images & DesignPNG Background RemoverRemove a solid-color background by clicking it. Inner areas of the same color stay, edges stay clean, and you download a transparent PNG.
Images & DesignPNG Color Masks & Retro Palette LabFind unique, frequent or rare RGB colors, create hue and multi-color masks, and convert artwork to web-safe or retro palettes with full-size previews.
Images & DesignPNG Color ReplacerClick a color in your image and replace it with another. Adjust how close a match counts, keep shading and transparency, and download a PNG.
Images & DesignPNG Compressor & Palette LabOptimize decoded PNG pixels without color loss, or reduce colors deliberately. Compare actual size, changed pixels and color error before downloading.
Images & DesignPNG Effects & Procedural GeneratorGenerate gradients, solid colors, checkerboards and color spectra, or create seeded noise, glitch, pixelation, pixel sorting and palette effects…
Images & DesignPNG Gradient GeneratorMake straight or radial PNG gradients with up to 8 colors, any angle, optional transparency and sizes up to 4096 pixels. No upload needed.
Images & DesignPNG Grayscale ConverterConvert PNG, JPG or WebP to gray or pure black and white, keeping transparency. Drag to compare with the original and download a PNG.
Developer & DataPNG Hidden Data & Repair LabInspect PNG bit planes, embed and recover UTF-8 messages, diagnose structure and repair supported CRC, IEND and trailing-data errors locally.
Images & DesignPNG Inspector & Metadata EditorInspect PNG structure, chunk CRCs, dimensions, bit depth and pixel statistics. Remove text, EXIF and timestamps without re-encoding image data, or…
Images & DesignPNG Metadata RemoverSee the hidden text, EXIF and timestamps in a PNG, then remove them without re-saving the image. Download a clean copy and an inspection report.
Images & DesignPNG Noise GeneratorMake static, film grain, cloud or speckle noise as a PNG, with tiling preview and repeatable patterns, or add grain to your own image.
Images & DesignPNG Opacity ChangerMake a PNG more transparent with one slider and quick presets. Colors stay the same, soft edges are kept, and the checkerboard shows the result live.
Images & DesignPNG Outline MakerAdd a smooth outline to a transparent PNG, for stickers and game art. Choose any color and width, or keep only the line. The outline is never cut off.
Images & DesignPNG Pixel Channels & Data ConverterExtract RGB channels, swap channel order and export decoded pixel bytes as RGB, BGR, RGBA or BGRA with a dimension manifest.
Images & DesignPNG PixelatorTurn PNG, JPG or WebP into chunky pixel blocks with adjustable size and an optional retro color limit. Transparency is kept and the image size…
Images & DesignPNG Shapes & Distortion LabCreate transparent circle, star and wavy cutouts; center visible artwork, shift, skew and mirror it, or make whirl, sphere, hexagonal, triangular…
Images & DesignPNG Silhouette MakerTurn a transparent PNG into a solid one-color shape in black, white or any color. Soft edges are kept, and the preview updates at once.
Images & DesignPNG Transparency & Alpha WorkbenchRemove a selected color, edit alpha, extract masks, soften edges and flatten transparent images with original-size previews and local PNG exports.
Text & WritingPO Catalog Review WorkbenchInspect plural forms and fuzzy entries; check placeholders; export reviewed catalogs.
Audio & VideoPodcast Ad Break PlacerChoose among proposed ad-break markers while respecting episode boundaries, ad duration and spacing between breaks.
Audio & VideoPodcast Chapter Art PackagerPackage podcast chapter titles, artwork filenames and links as chapter JSON, supplied images and a reviewable index.
Everyday CalculatorsPodcast Episode RundownTurn segment word counts, speech pace, music and pauses into chapter timestamps and a target-runtime comparison.
Audio & VideoPodcast Pickup Recording PlannerPlan podcast recording pickups with source timestamps, replacement scripts, speaker notes, take tracking, local audio playback and printable cue…
Text & WritingPodcast Transcript Publication BuilderCombine speaker turns, chapters and source notes. Export accessible episode pages.
Everyday CalculatorsPoisson Probability CalculatorEstimate exactly k events under a constant-rate Poisson model.
Developer & DataPolling Request Budget CalculatorEstimate request volume generated by repeated polling clients.
Everyday CalculatorsPolynomial Arithmetic WorkbenchAdd, subtract, multiply, differentiate or integrate polynomials entered as ascending-power coefficient lists.
Audio & VideoPolyrhythm Practice PlayerLayer independent pulse counts. Accent cycles. Export audio practice loops.
Developer & DataPopulation Pyramid BuilderCompare age-group distributions with mirrored bars and denominators you can inspect.
Developer & DataPort Assignment Conflict CheckerCompare service manifests; flag duplicated bindings and reserved assignments.
Developer & DataPortable Collection Search Index BuilderIndex supported text and metadata locally; export a self-contained search page.
Images & DesignPoster Sheet Tiling PlannerEstimate printer sheets for a poster with overlap and printer margins.
Everyday CalculatorsPotluck Contribution PlannerCompare offered servings with category targets to find gaps in a shared meal plan.
Everyday CalculatorsPottery Glaze Batch ScalerScale an existing dry recipe by parts, keep additives separate and produce a weighed ingredient list with stock shortages and cost.
ConvertersPower ConverterConvert power ratings between watts, horsepower definitions and BTU per hour.
Images & DesignPPM & PAM Image Conversion WorkbenchConvert PPM P3/P6 and PAM images to PNG, JPG or WebP, or export PNG artwork as portable RGB/RGBA files with local previews.
Everyday CalculatorsPractice Interleaving ScheduleMix practice topics into a session sequence, reduce adjacent repeats and insert periodic breaks.
Audio & VideoPractice Loop Transcription HelperSlow selected passages without intended pitch change. Repeat loops. Annotate heard notes.
SimulationsPredator–Prey SimulatorWatch foxes hunt rabbits and rabbits graze a living meadow. See boom-and-bust population cycles, compare them with the Lotka–Volterra equations,…
Developer & DataPresentation Chart Theme AdapterRestyle a supplied SVG chart while keeping its vector geometry and attached data available for editing.
Developer & DataPresentation MakerFull workspaceBuild slides with text, images, shapes and charts. Arrange objects visually, add speaker notes, save editable projects and export PowerPoint, PDF…
Everyday CalculatorsPresentation Rehearsal Pacing PlannerCompare slide-by-slide speaking estimates, demonstrations and pauses against a target presentation length.
Developer & DataPreservation Format Risk RegisterMap formats to documented dependencies; track migration priorities and verification evidence.
ConvertersPressure ConverterConvert gauge or absolute pressure numbers across SI, imperial and laboratory units without changing the pressure reference.
Everyday CalculatorsPressure from Force CalculatorCalculate average pressure from a perpendicular force and contact area.
Everyday CalculatorsPrime Factorization CalculatorFactor a whole number, list its divisors and review prime status.
Everyday CalculatorsPrime Number Range ExplorerList primes, composite numbers or twin prime pairs in an inclusive range, with exact sieve results and reusable exports.
Images & DesignPrint Bleed & Trim CalculatorCalculate document size including equal bleed on every edge.
Everyday CalculatorsPrint Job Imposition EstimatorCompare normal and rotated grid layouts for print jobs, including bleed, gutters, spoilage, sheets and press impressions.
Images & DesignPrint Order Production Ticket BuilderRecord specifications, approvals and attached proofs. Export a complete job ticket.
Images & DesignPrint Registration Test Sheet MakerGenerate alignment targets and calibration grids; record measured printer offsets.
Images & DesignPrint Safe Area CalculatorCalculate the interior safe area after margins from the trim edge.
Images & DesignPrint Size & DPI CalculatorCalculate print size, pixel requirements and effective PPI for photos or artwork. Preview crop/padding, compare paper sizes and calculate a…
Images & DesignPrint Trim Mark ComposerAdd crop, fold and registration marks with explicit offsets and units.
Images & DesignPrint Variable Data Proof BoardSubstitute your record data into a print template. Review long-name proofs and estimated line fit before bulk production.
Images & DesignPrint Variant Sheet AllocatorArrange requested quantities of several print variants into shared sheet positions and compare mixed-sheet use with separate runs.
Text & WritingPrint-ready Meeting Packet BuilderTurn agenda PDFs into one ordered packet with dividers, linked contents and source records. Order agenda documents; add dividers and contents;…
Images & DesignPrintable Calendar MakerBuild monthly and yearly Gregorian calendars with custom events, localized labels, week-start choices and A4 or Letter layouts. Download PNG,…
Everyday CalculatorsPrintable Checklist BuilderCreate a printable checklist from your own tasks, check items off and print a copy.
Images & DesignPrintable Graph Paper GeneratorCreate actual-unit square grid or dot paper as an editable printable SVG.
Text & WritingPrintable Label MakerMake address labels, gift tags and name stickers on editable A4 or Letter sheets. Repeat labels, skip used positions, fit multilingual text and…
Images & DesignPrintable Maze GeneratorGenerate a reproducible printable maze with adjustable grid size and an optional visible solution path.
Images & DesignPrintable Storyboard GeneratorGenerate an A4 landscape storyboard sheet with numbered frames and notes space.
Everyday CalculatorsPrintable Weekly Meal PlannerArrange your own meals for the week and group ingredients into a printable shopping list.
Developer & DataPrintf String FormatterPreview printf-style templates with JSON arguments, numeric bases, decimal precision, field padding and a per-argument breakdown.
Developer & DataPrivacy Notice Data-flow MapperMap collected fields, purposes and retention; export evidence for professional notice drafting.
Developer & DataPrivacy Request Fulfillment PlannerTrack user-supplied request steps and evidence; avoid jurisdiction-specific legal advice.
Developer & DataPrivacy-safe Demo Dataset BuilderReplace selected identifiers consistently; preserve joins; label synthetic fields and residual risks.
Everyday CalculatorsProbability Distribution ExplorerExplore normal, uniform, exponential, binomial and Poisson distributions with probability intervals, density or mass charts and reproducible…
Developer & DataProcedural Name Grammar DesignerBuild weighted grammar rules and exclusions. Test repetition. Export reusable grammars.
Developer & DataProcess Control Chart BuilderBuild frozen-baseline process charts with visible limits, assumptions and rule violations.
Images & DesignProduct Hang Tag Batch DesignerCreate tags from CSV fields; place punch holes and bleed; export print sheets.
Developer & DataProduct Shadow ComposerCreate adjustable contact and cast shadows on isolated images; export transparent layers.
Passwords & GeneratorsProduct SKU Combination GeneratorExpand product, color and size codes into a unique SKU matrix ready for a catalog CSV.
Everyday CalculatorsProduction Batch Time PlannerEstimate batch completion using sequential processing and setup time.
Developer & DataProduction Bottleneck Flow AnalyzerCompare sequential stage capacities, adjust for downstream yield and identify the limiting capacity for finished good units.
Images & DesignProfile Picture MakerCreate profile pictures with draggable positioning, zoom, circular or square shapes, borders, small-avatar previews and transparent PNG size packs.
Everyday CalculatorsProfit Margin & Markup CalculatorCompare profit margin and markup or find a selling price for a target gross margin.
Developer & DataProject Dependency Package CollectorResolve user-declared asset references; package copies with missing-file reports.
Everyday CalculatorsProject Risk RegisterRank project risks, compare initial and residual exposure, and highlight overdue mitigation actions.
SimulationsProjectile Motion SimulatorLaunch projectiles and compare trajectories. Set angle, speed, height, gravity (Earth, Moon, Mars…), air resistance and wind; see range, max…
Developer & DataPrometheus Metric Label AuditorReview metric exports; estimate cardinality and inconsistent label keys.
Text & WritingPronoun Reference Review HelperHighlight ambiguous nearby candidates with manual resolution notes, not grammar guarantees. Use your own input, a worked example and downloadable…
Text & WritingProofreading Mark Practice ToolTeach common proof marks with user-authored exercises and printable answer sheets. Use your own input, a worked example and downloadable results.
Developer & DataProtocol Buffers Payload DecoderInspect protocol buffers payload with typed values, byte locations and portable decoded exports.
Images & DesignPSD Preview & Image ConverterPreview supported PSD composites, extract bitmap layers as PNG ZIPs, and convert images to verified single-layer PSD files locally.
Everyday CalculatorsPTO Calculator & Vacation PlannerProject your PTO balance paycheck by paycheck, plan vacations around US holidays, avoid a negative balance, accrual caps and use-it-or-lose-it…
Developer & DataPublic Key Fingerprint ComparatorCompare supplied key fingerprints and formats; display exact differences and algorithm metadata.
Text & WritingPublisher Submission Packet ChecklistBuild requirement profiles; check supplied filenames and sections; export outstanding items. Use local file input, a worked example and…
Developer & DataPunycode & International Domain InspectorConvert international domain names to browser-normalized ASCII and decoded Unicode. Inspect labels, code points, script cues and batch errors…
Text & WritingPurchase Order BuilderCreate itemized purchase orders with supplier details, delivery information and calculated totals.
Everyday CalculatorsPurchase Order TrackerReconcile ordered and received quantities, flag late deliveries and summarize open commitments by supplier.
Everyday CalculatorsPuzzle Clue Dependency MapperMap clue prerequisites, reveal parallel puzzle branches and estimate the earliest completion path for an escape-room outline.
Everyday CalculatorsQuadratic Equation SolverSolve ax² + bx + c = 0 and review real or complex roots, discriminant and vertex.
Text & WritingQualitative Coding WorkbenchCode interview and survey text, keep a codebook and themes, compare two reviewers, and export reports where every quote traces back to its source.…
Audio & VideoQuarter-Wave Resonator Length CalculatorEstimate the ideal quarter-wave tube length for a target frequency.
Everyday CalculatorsQuarterly Estimated Tax Calculator 2026Plan 2026 quarterly estimated taxes for freelancers and 1099 workers: safe-harbor amount, the four 1040-ES due dates, what to pay next, how much…
Developer & DataQuery Brand Classification BuilderDefine branded query rules; inspect false positives; export segment classifications.
Everyday CalculatorsQuestion Difficulty Mix PlannerBuild a question-count blueprint from available easy, medium and hard question banks, with marks, timing and shortage checks.
Everyday CalculatorsQueue Wait EstimatorEstimate a single-line wait with parallel identical service stations.
Everyday CalculatorsQuilt Square PlannerPlan square patch count and cutting size including seam allowance.
Text & WritingQuotation Attribution OrganizerPair quotations with speakers and sources; flag missing attribution fields. Use your own input, a worked example and downloadable results.
Everyday CalculatorsRace Split Pacing PlannerPlan a race section by section with changing pace, aid-station stops, cumulative splits and a finish-goal comparison.
Developer & DataRadial Schedule VisualizerView a repeating 24-hour schedule on clock lanes and investigate overlaps with a linear alternative.
Developer & DataRaincloud Plot MakerCombine raw points, quartiles and smooth densities, while exposing bandwidth and sample-size choices.
Everyday CalculatorsRainwater Storage SimulatorSimulate a tank over ordered rainfall periods, showing captured water, overflow, demand coverage and backup-water needs.
Passwords & GeneratorsRandom Color Palette GeneratorGenerate color palettes with random, analogous or triadic hues and export HEX, RGB, HSL or CSS variables.
Passwords & GeneratorsRandom Date GeneratorSample dates in an inclusive range, exclude weekends, prevent repeats and sort the final list.
Developer & DataRandom ID Space PlannerCalculate possible random identifiers and entropy for an alphabet and length.
Everyday CalculatorsRandom Integer Coordinate GeneratorGenerate bounded integer coordinate pairs for games, geometry and sample data. Allow or prevent duplicates, use repeatable seeds, preview a…
Passwords & GeneratorsRandom IP Address GeneratorGenerate IPv4 test hosts within a prefix or sample IPv6 documentation addresses without contacting a network.
Passwords & GeneratorsRandom MAC Address GeneratorCreate locally administered unicast sample MAC addresses, or supply a custom three-octet prefix.
Everyday CalculatorsRandom Matrix GeneratorGenerate random integer matrices, symmetric matrices, diagonal matrices or identity matrices. Control dimensions and value ranges; export JSON,…
Everyday CalculatorsRandom Number Generator & Dice RollerDraw inclusive-range random integers or roll custom dice with secure browser randomness, unique sampling, totals, frequencies and full…
Everyday CalculatorsRandom Team GeneratorCreate evenly sized random teams with separate leaders, optional entered skill-score balancing, participant swaps, editable team names and…
Developer & DataRank Weight Sensitivity LabRank options by weighted criteria and test how changing one criterion’s weight changes the winning option.
Developer & DataRanking Agreement WorkbenchCompare paired ranked lists, ties and reversals with Spearman and Kendall tau-b evidence.
Developer & DataRate Limit Header InterpreterInspect supplied limits and reset fields; simulate client waiting with documented assumptions.
Everyday CalculatorsRatio CalculatorSimplify a whole-number ratio or scale it to a target total with this free ratio calculator.
Everyday CalculatorsRC Time Constant CalculatorFind the time constant, cutoff and ideal charge times for a resistor-capacitor pair.
Text & WritingRead-along Text Annotation MakerAdd explanations and vocabulary notes; export accessible HTML reading material.
Passwords & GeneratorsReading Challenge GeneratorCreate a flexible reading challenge from formats, themes and reflection activities.
Text & WritingReading Complexity Comparison LabCompare several English readability formulas and see why their estimates can disagree.
Everyday CalculatorsReading Fluency Progress LogCompare timed reading observations over time using correct words per minute and accuracy.
Everyday CalculatorsReading Group Role RotationRotate discussion roles among a group across multiple sessions without duplicate roles per person.
Developer & DataReading Order Screenshot AnnotatorMark intended sequence on screenshots; compare DOM outlines; export review evidence.
Text & WritingReading Packet Annotation ExporterOrganize reading notes by source and location, then take them into a portable annotated log.
Text & WritingReading Page Schedule BuilderTurn a page goal into dated inclusive reading ranges with progress and optional weekday-only sessions.
Text & WritingReading Ruler Document MakerCreate an alternating-line reading document with adjustable text width and font size for printing or screen reading.
Everyday CalculatorsReading Time PlannerEstimate reading time and daily sessions for a book or document.
Developer & DataREADME Collection Guide BuilderCreate clear folder descriptions, software requirements and contact notes for an archive. Use your own input, a worked example and downloadable…
Everyday CalculatorsReagent Batch Volume PlannerScale a user-provided per-reaction volume recipe with controls, excess and stock-shortage checks.
Developer & DataReal User Metric Distribution ExplorerInspect supplied percentile histograms by page and device; show sample coverage.
Text & WritingReceipt BuilderPrepare itemized receipts with discounts, tax, payment and change calculations.
Images & DesignReceipt Layout Template BuilderCompose variable-width receipts from supplied fields; preview wrapping; export templates.
Everyday CalculatorsRecipe Serving ScalerResize ingredient quantities for more or fewer servings. Read mixed fractions and choose decimal, quarter or eighth quantities.
Developer & DataRecord Encoding Recovery AssistantCompare text encodings with visible character evidence, then export the version you deliberately choose.
Developer & DataRecord Survivorship Rule BuilderCombine duplicate records with explicit winning-value policies and a source for every surviving field.
Passwords & GeneratorsRecovery Code Batch GeneratorCreate grouped random backup-code batches with matching SHA-256 digests for integration testing.
Developer & DataRecovery Instruction Card BuilderCreate offline account recovery checklists without storing passwords or recovery codes. Use your own input, a worked example and downloadable results.
Everyday CalculatorsRectangular Pyramid CalculatorEstimate a rectangular pyramid’s volume and outer area.
Audio & VideoRectangular Room Axial Mode CalculatorEstimate the first three axial resonance frequencies along one room dimension.
Developer & DataRedaction Quality Checklist BuilderCreate format-specific verification checklists before sharing edited records. Use your own input, a worked example and downloadable results.
Developer & DataReduced Motion Preview SwitcherCompare supplied animations with reduced-motion alternatives and static fallback frames. Use your own input, a worked example and downloadable…
Developer & DataReflection Mockup BuilderCreate controlled product reflections; adjust falloff and surface tint; export composites.
Developer & DataRegex Engine Compatibility ComparatorCompare supported syntax profiles; generate migration warnings and test cases.
Developer & DataRegex Literal & Wildcard BuilderTurn plain search text or simple star/question-mark wildcards into escaped JavaScript regular expression sources and ready-to-copy constructor code.
Developer & DataRegex Test String GeneratorGenerate sample strings from a supported regex pattern with alternatives, character ranges, bounded repetition and CSV export.
Developer & DataRegex TesterTest JavaScript regex patterns with highlighted matches, named capture groups and g/i/m/s/u flags. Local worker timeout, JSON reports, examples…
Developer & DataRegular Expression Step VisualizerExplain supported regex execution and groups; detect unsupported constructs clearly.
Everyday CalculatorsRegular Polygon CalculatorCalculate a regular polygon’s area, apothem and perimeter.
Audio & VideoRehearsal Mark and Cue OrganizerTrack bar references, cuts and entrances. Export player-specific cue sheets.
Passwords & GeneratorsRelational Test Dataset BuilderGenerate reproducible customers and linked orders, tune ranges and regions, inject documented validation errors and export CSV, JSON, SQL or a ZIP…
Passwords & GeneratorsRelease Note Draft GeneratorStructure change summaries into a Markdown release draft with categorized bullet points.
Everyday CalculatorsRelease Readiness PlannerReview weighted release checks, explicit blockers, evidence and owners before a go/no-go discussion.
Developer & DataRendering Frame Time BudgetPlan available milliseconds per frame and remaining budget after a measured stage.
Everyday CalculatorsRent vs Buy PlannerCompare renting and buying over time with home equity, selling costs, investments and adjustable long-term assumptions.
Everyday CalculatorsReorder Quantity PlannerCalculate a stock top-up to a target number of supply days.
Everyday CalculatorsRepair Café Intake PlannerArrange repair-café intake by skill area, readiness and estimated bench time without treating intake notes as a diagnosis.
Everyday CalculatorsRepair Parts Compatibility MatrixOrganize documented part-to-device compatibility and identify combinations still needing a test or source check.
Text & WritingRepeated Phrase FinderSpot repeated multiword phrases in a draft to review repetition and recurring wording.
Everyday CalculatorsRepeating Decimal & Fraction ExplorerExpand fractions into terminating or repeating digits in bases 2–36, reveal the repeating period and inspect long-division remainders.
Everyday CalculatorsReplicate Plate Layout PlannerAllocate sample replicates to labeled plate wells with reserved controls and an optional reproducible shuffle.
Developer & DataRequest Concurrency EstimatorEstimate in-flight requests at a steady arrival rate and mean latency.
Everyday CalculatorsRequirements Test Coverage PlannerMap test results to requirements, expose untested requirements and aggregate outcomes without counting duplicate tests twice.
Text & WritingResearch Reference DeduplicatorGroup CSV bibliography candidates by DOI, URL and normalized title, choose retained records, preserve metadata columns and report conflicting…
Everyday CalculatorsResin Cast Volume PlannerPlan a rectangular casting’s resin volume and mix masses from supplied density and ratio.
Everyday CalculatorsResistor Color Code CalculatorRead common 4-band and 5-band resistor colors and their tolerance range.
Everyday CalculatorsResource Capacity PlannerCompare team members’ workable hours with planned work, leave and recurring overhead; expose overload by role.
Developer & DataResource Hint PlannerBuild a resource loading plan with preload, modulepreload, preconnect and DNS hints. Set budgets, review CORS modes and duplicates, and export…
Developer & DataResource Timing Privacy CleanerRemove query secrets and user paths from timing exports before sharing.
Developer & DataResponsive Data Table BuilderChoose wrapping, stacking and overflow strategies; test keyboard access; export markup.
Developer & DataResponsive Dialog Size PlannerTest dense dialogs across screens; preview scrolling regions and action placement.
Developer & DataResponsive Email Dark-mode ProofingPreview authored themes and fallback colors; document client-specific uncertainty.
Developer & DataResponsive Image Sizes TesterEvaluate sizes and srcset choices across viewports; show selected candidate widths. Use your own input, a worked example and downloadable results.
Developer & DataResponsive Masonry ProofingCompare supported grid strategies with real image ratios and stable loading space.
Developer & DataResponsive Navigation BuilderCreate menus with overflow, keyboard and mobile behavior; export standalone components.
Developer & DataResponsive Screenshot Difference BoardCompare same-size screenshots across releases; mask intended dynamic regions.
Developer & DataResponsive Spacing System BuilderDefine fluid spacing scales; preview components; export clamp-based tokens.
Text & WritingResume BuilderBuild a structured resume with experience, education and skills; preview layouts and export an editable project or printable document.
Text & WritingResume Contact and Link PreflightCheck supplied contact fields, link syntax and missing sections before export. Use your own input, a worked example and downloadable results.
Developer & DataRetry Attempt Load EstimatorEstimate the extra request load, success rate and exhausted requests caused by bounded retries under a constant failure probability.
Developer & DataRetry Backoff Budget CalculatorCalculate capped exponential retry delays and total waiting time.
Everyday CalculatorsReturn Window TrackerTrack purchase-specific return windows, processing buffers and amounts at stake using your own retailer terms.
Developer & DataRevenue Price–Volume BridgeReconcile the change in product revenue into quantity and price effects using a bridge that adds exactly to the new total.
Audio & VideoReverb & Echo MakerAdd room ambience and repeating echoes to audio. Control delay, feedback, damping, effect mix and tail length, then export WAV or MP3.
Developer & DataReverse Proxy Route DesignerModel routes, rewrites and upstreams; test examples; export reviewed config snippets.
Text & WritingReverse Text GeneratorReverse characters, words or lines while keeping emoji and combining marks together. Try optional mirrored or upside-down letters.
Images & DesignRGB Channel Registration LabShift red, green and blue channels independently to correct or deliberately create channel misregistration, with controllable edge sampling.
Everyday CalculatorsRhombus CalculatorFind diamond area, side length and perimeter from its diagonals.
Audio & VideoRhythm Dictation PracticeGenerate seeded rhythms. Play and reveal notation. Track local practice results.
Audio & VideoRhythm Subdivision Visual CoachAnimate beats and subdivisions with sound. Adjust accents and silent-count challenges.
Everyday CalculatorsRing Area CalculatorMeasure the material area of a flat ring or washer.
Everyday CalculatorsRoad Trip Fuel PlannerModel ordered route legs, fuel consumption and refills at entered stops while preserving a reserve and tracking cash spent.
Developer & DataRobots Deployment Regression TesterCompare old/new policies against a saved URL-agent test suite.
Developer & DataRobust Outlier InvestigationCompare robust fences and investigate unusual rows without silently deleting useful observations.
Developer & DataRole-based Access Test GeneratorGenerate allowed and denied test cases from declared permission rules.
Everyday CalculatorsRoman Numeral ConverterConvert whole numbers to standard Roman numerals or convert valid Roman numerals back to numbers.
Audio & VideoRoom Tone Loop BuilderSelect and crossfade room tone. Detect seams. Export continuous ambience beds.
Text & WritingROT13, ROT47 & Caesar WorkbenchEncode or decode ROT13, ROT47 and Caesar text with adjustable shifts, instant preview, projects and text export.
Everyday CalculatorsRotating Chore RosterCreate a dated weekly chore rotation from your people and tasks, with reusable printable and CSV outputs.
Everyday CalculatorsRotational Speed to Rim Velocity CalculatorFind angular speed and rim speed from radius and RPM.
Everyday CalculatorsRound Robin SchedulerMake a league schedule where each participant meets every other participant.
Developer & DataRSS & Atom Feed InspectorReview feed entries, dates, identifiers, summaries and duplicate IDs in RSS 2.0 or Atom XML.
Everyday CalculatorsRSVP Headcount ReportSummarize confirmed, possible and declined guest counts using whole-party responses.
Text & WritingRTL Punctuation PreviewerPreview mixed-direction strings; reveal directional controls and punctuation ordering. Use your own input, a worked example and downloadable results.
Everyday CalculatorsRubric Grading WorkbenchApply a weighted rubric consistently across learners and inspect criterion-level scores before exporting results.
Text & WritingRuby Annotation EditorAuthor pronunciation annotations for supplied text; export accessible HTML markup.
Text & WritingRunning Header PreviewerTest chapter titles against header widths; flag wrapping and truncation. Use your own input, a worked example and downloadable results.
Everyday CalculatorsRunning Pace CalculatorCalculate running pace and speed from distance and finish time, with kilometer split estimates.
Audio & VideoSabine Reverb Time EstimatorEstimate reverberation time using room volume and equivalent absorption.
Everyday CalculatorsSalary ConverterConvert an hourly gross wage into estimated weekly, monthly and yearly earnings using your working hours.
Everyday CalculatorsSales Tax CalculatorAdd sales tax to a price or separate tax from a tax-inclusive total using a rate you enter.
Everyday CalculatorsSample Custody TimelineOrganize sample handling events chronologically and flag missing collection records or ambiguous timestamps.
Audio & VideoSample Transient Slice EditorDetect onsets. Adjust slice boundaries. Export one-shots and timing maps.
Developer & DataSample Weight Sensitivity ExplorerVary one group’s supplied weights and inspect how the overall estimate and effective sample size move.
Developer & DataSankey Flow Diagram BuilderTurn weighted flows into an editable Sankey and expose internal imbalances instead of hiding them.
Everyday CalculatorsSavings Goal CalculatorEstimate the monthly savings needed to reach a target amount within your chosen timeline.
Developer & DataSBOM Inventory ComparatorCompare supported software bills of materials; flag added dependencies and missing licenses.
Audio & VideoScala Tuning File InspectorParse supplied tuning files. Compare intervals. Preview supported MIDI tuning exports.
Audio & VideoScale Mode Comparison PlayerCompare modes over a shared tonic. Highlight interval differences. Export reference sheets.
Everyday CalculatorsScale Model Dimension WorkbenchConvert a full-size dimension list to a chosen model scale and compare dimensions with a fabrication envelope.
Developer & DataScan Color Cast RestorationUse paper and ink references; correct aged scan colors with reversible settings.
Developer & DataScan Tile Assembly WorkspaceAlign overlapping flatbed scans; edit seams; export an oversized document image.
Passwords & GeneratorsScavenger Hunt Prompt GeneratorGenerate observation-based hunt cards using safe locations and things to notice.
Developer & DataSchema Markup GeneratorCreate JSON-LD for organizations, articles, products and FAQs with field checks and copyable markup.
Passwords & GeneratorsSchool Supply Label List BuilderCreate personalized item label lists for multiple names, with copies and printable reports.
Everyday CalculatorsSchool Trip Bus AllocatorPack intact class groups onto buses and check an organizer-defined chaperone ratio.
Everyday CalculatorsScientific CalculatorCalculate powers, roots, trigonometry, logarithms and factorials with degree/radian modes, memory, unrounded answer reuse and temporary history.
ConvertersScientific Notation ConverterConvert decimal or exponential notation into normalized scientific, engineering and plain-decimal forms.
Everyday CalculatorsScreen Print Run PlannerPlan apparel print runs with reject allowance, colors, impressions, screen setup, ink and handling time.
Text & WritingScreen Reader Announcement SandboxPreview authored live-region sequences; inspect timing and duplication in supported browsers.
Audio & VideoScreen RecorderRecord a shared screen or browser tab with optional microphone audio and downloadable recordings.
Images & DesignScreen Size & PPI CalculatorFind a display’s pixel density, physical dimensions and pixel size from its diagonal.
Images & DesignScreen Test & Color CheckInspect a display with manual solid colors, gradients, gray steps, checkerboards and line patterns. Includes fullscreen controls and clear…
Text & WritingScreenplay Speaker & Dialogue ExtractorExtract character cues and spoken blocks from a Fountain-style script, count dialogue words and export separate dialogue inventories.
Text & WritingScreenplay Writing Software OnlineFull workspaceWrite a properly formatted screenplay online for free. Smart Enter and Tab formatting, real page breaks with MORE and CONT'D, scene navigator,…
Developer & DataScreenshot Privacy Redaction WorkbenchMark repeated sensitive regions; irreversibly flatten approved masks; verify exported pixels.
Developer & DataScroll-driven Animation ComposerAuthor progress timelines; preview reduced motion; export CSS with fallbacks.
Developer & DataScrollbar Theme PreviewerPreview supported styling and contrast; export progressive enhancement CSS. Use your own input, a worked example and downloadable results.
Images & DesignSeamless Pattern GeneratorDesign seamless repeating patterns: shapes, emoji or your own image, drag to arrange, half-drop, brick, mirror or scatter repeats and seam check.…
Developer & DataSeamless Texture InspectorInspect repeating textures with a tiled preview, wrap-offset view and opposing-edge heatmaps. Compare transparency on different mattes and export…
Developer & DataSearch Appearance Segment AnalyzerCompare exported appearance types and devices; expose denominators and missing data.
Developer & DataSearch Content Brief BuilderTurn approved query clusters into reader tasks, examples and editorial acceptance criteria.
Developer & DataSearch Experiment Annotation CalendarAttach releases and campaigns to imported search charts; compare periods cautiously.
Developer & DataSearch Landing Page Intent ReviewerMap expected tasks to page sections; identify missing answers and tool actions.
Developer & DataSearch Query Intent ClustererGroup queries with editable rules and manual labels; export topic-page mappings.
Developer & DataSearch Result Breadcrumb PlannerDesign consistent hierarchy labels and paths; export breadcrumb markup. Use your own input, a worked example and downloadable results.
Developer & DataSearch Snippet Experiment TrackerTrack title revisions and imported performance periods; show confounding limitations.
Developer & DataSeasonal Baseline ComparatorCompare matching calendar periods across years, with visible gaps and explicit aggregation.
Everyday CalculatorsSeasonal Garden CalendarCreate crop-specific sowing, transplant and estimated harvest dates from your chosen seasonal anchor and succession intervals.
Developer & DataSecret Exposure Scan for Source PackagesScan chosen files with transparent patterns; mask findings; export remediation locations.
Developer & DataSecret Reference Inventory BuilderCatalog secret references, not contents; map owners and rotation review dates.
Passwords & GeneratorsSecure PIN GeneratorGenerate batches of random numeric PINs with configurable length, leading-zero rules and copy or file export.
Passwords & GeneratorsSecure Token GeneratorCreate cryptographically random hex or URL-safe tokens in batches and review their random-bit count.
Developer & DataSecurity Incident Evidence TimelineOrganize user-entered facts and source hashes; distinguish observations from hypotheses.
Developer & DataSecurity Questionnaire Response LibraryOrganize verified answers and evidence expiry; export questionnaires without inventing assurances.
Developer & DataSecurity.txt GeneratorPrepare a vulnerability-reporting contact file with required contacts, an expiration timestamp and an optional policy link.
Everyday CalculatorsSeed Propagation PlannerWork backwards from desired plants to seeds, packets, trays and growing-medium volume, allowing for germination and transplant losses.
Everyday CalculatorsSeed Spacing Grid PlannerEstimate planting positions on an evenly spaced rectangular grid.
Everyday CalculatorsSeeded Decimal Test Data GeneratorCreate reproducible decimal-number fixtures from inclusive integer bounds, fixed decimal places and a saved seed.
Developer & DataSeeded JSON Record SamplerTake a reproducible seeded sample from a JSON array without replacement and optionally preserve source order.
Developer & DataSemantic Version & Range TesterSort semantic versions, compare releases against a reference and test npm version ranges. Inspect prerelease gating, build metadata, invalid…
Developer & DataSemantic Version Change AdvisorCombine declared API changes and release policy; explain suggested version increments.
Audio & VideoSemitone Pitch Ratio CalculatorCalculate the frequency multiplier for a pitch shift.
Everyday CalculatorsSensible Heat Energy CalculatorEstimate heat needed for a temperature change without a phase transition.
Developer & DataSensitivity Tornado Diagram BuilderShow which declared inputs move a model outcome most, with a formula you can inspect and reusable assumptions.
Text & WritingSentence Duplicate Near-match FinderGroup near-identical sentences; show differences; keep original locations. Use your own input, a worked example and downloadable results.
Text & WritingSentence Filter & Length InspectorSelect sentences by literal phrase and grapheme length while auditing every sentence and its original text offset.
Text & WritingSentence Length Rhythm ViewerVisualize sentence lengths and paragraph pacing; export highlighted text. Use your own input, a worked example and downloadable results.
Text & WritingSentence Order WorkbenchSplit text into sentences and reorder them alphabetically or by length, retaining their original positions.
Developer & DataSEO Release Regression ComparatorCompare crawl snapshots; prioritize new broken links, title losses and noindex changes.
Developer & DataSEO SERP PreviewPreview search snippets at desktop and mobile widths and review title and description lengths.
Everyday CalculatorsSequence & Pattern VisualizerTurn custom or generated number sequences into line, scatter, polar and heat-grid views, exploring differences and modular residues.
Developer & DataSequential Test Simulation LabSee why repeated peeking changes false-positive rates, using simulated trials you can reproduce.
Developer & DataServer-sent Event Stream ViewerReplay pasted SSE events; inspect IDs, retries and reconnect behavior.
Developer & DataService Dependency Impact MapTrace direct and transitive dependencies in a service inventory and compare the potential blast radius of each failure.
Everyday CalculatorsService Incident TimelineBuild a relative incident timeline, measure response milestones and calculate user-impact minutes from affected-user segments.
Developer & DataService Level Objective WorkbookDefine events and windows; inspect imported metrics; export transparent SLO reports.
Developer & DataService Worker Cache Strategy SimulatorReplay request scenarios against declared strategies; inspect stale and offline outcomes.
Images & DesignSewing Pattern Print & AssemblyTile large PDF sewing patterns onto A4 or Letter paper at a chosen scale. Select supported size layers, crop pages, add overlap, calibration…
Everyday CalculatorsShared Expense Settlement PlannerCalculate who pays whom after a group has paid different amounts toward equal shared expenses.
Everyday CalculatorsShared Fridge Space AllocatorDistribute a shared storage-volume budget using minimum needs, priorities and request caps.
Images & DesignShelf Label System BuilderGenerate readable shelf labels and identifiers; preview distance legibility; export batches.
Everyday CalculatorsShift Cycle Calendar BuilderExpand a repeating work/rest cycle into dated rows with an adjustable starting position.
Everyday CalculatorsShopping List OrganizerOrganize a shopping list by aisle and combine repeated identical entries before copying or downloading it.
Audio & VideoShutter Angle to Exposure CalculatorFind exposure duration from frame rate and shutter angle.
Audio & VideoSight Reading Exercise DesignerGenerate constrained pitch-and-rhythm reading exercises with a printable piano roll, listening reference and MIDI export.
Audio & VideoSignal Crest Factor CalculatorCompare a signal’s supplied peak and RMS amplitudes.
Images & DesignSignature, Logo & Stamp CleanupClean a scanned signature, logo or stamp: remove paper color, recolor ink, trim margins, adjust alpha, thicken strokes and add outlines with…
Developer & DataSigned Integer Encoding ExplorerCompare two’s complement, one’s complement and sign-magnitude encodings, including range limits and negative-zero decoding.
Developer & DataSigned Message Verification WorkbenchVerify supported signatures against supplied public keys; export reproducible verification evidence.
Developer & DataSite Move Verification WorkspaceTrack old-new URL checks and canonical evidence after a migration, without fetching privately.
Developer & DataSitemap Change Diff ViewerCompare URL additions, removals and lastmod changes; export a publication checklist.
Developer & DataSitemap XML AuditorFind duplicate URLs, invalid locations, host mismatches and last-modified issues in sitemap XML.
Developer & DataSkeletal Joint Hierarchy ViewerInspect names, parent relations and bind poses. Export a readable skeleton map.
Developer & DataSkeleton Loading Layout BuilderMatch placeholder geometry to real content; preview reduced-motion behavior.
Developer & DataSkill Tree Design and SimulatorArrange prerequisites and costs. Test builds. Detect unreachable skills. Export structured trees.
Developer & DataSlopegraph Comparison BuilderCompare two endpoints on one scale, preserving category names and flagging missing matches.
Audio & VideoSlow Motion Duration CalculatorFind clip length when captured frames play at a different rate.
Developer & DataSmall Multiples Chart ComposerBuild consistent grouped chart panels with deliberate shared or independent scales.
Developer & DataSmart Crop Review BoardSuggest focal crops using manual subject anchors; approve per-aspect outputs in batches.
Everyday CalculatorsSMD Resistor Batch DecoderDecode a list of numeric or R-decimal resistor markings and generate a component-value inventory.
Developer & DataSnapshot Test Review BoardCompare image or structured snapshots; approve changes locally; export decisions.
Developer & DataSOAP Envelope InspectorValidate supplied envelopes and namespaces; extract operations and fault details without requests.
Everyday CalculatorsSoap Mold Capacity CalculatorMeasure rectangular mold capacity and batch mass using a supplied density.
Images & DesignSocial Media Carousel MakerCreate a coordinated multi-slide social carousel with editable slide copy, images and batch export.
Everyday CalculatorsSolar Load & Battery PlannerInventory off-grid electrical loads and estimate daily energy, panel quantity and nominal battery capacity from your own assumptions.
Audio & VideoSong Bar Duration CalculatorPlan musical section duration from bars and time signature.
Audio & VideoSong Key Change PlannerMap modulation points and compatible transitions. Audition short examples.
Audio & VideoSong Section Structure MapperMark verse, chorus and bridges. Compare repetitions. Export arrangement diagrams.
Audio & VideoSound Effect Variation Batch BuilderCreate controlled pitch, timing and gain variants. Avoid clipping. Export labeled packs.
Audio & VideoSound Wavelength CalculatorFind wavelength at a specified frequency and propagation speed.
Developer & DataSource Map Mapping InspectorDecode source-map VLQ mappings into generated and original positions, inspect embedded source names and export a searchable mapping table.
Developer & DataSource Map Stack Trace DecoderResolve pasted stacks with local maps; show original source positions.
Everyday CalculatorsSpare Parts Coverage PlannerCompare spare-part cover with replenishment lead time, reserve stock and pack sizes across an equipment list.
Developer & DataSparse Matrix CSV WorkbenchConvert a labeled dense CSV matrix into coordinate triplets, or rebuild a dense matrix from sparse row, column and value records.
ConvertersSpecific Heat Capacity ConverterConvert heat capacity per unit mass using temperature differences, not absolute temperatures.
Everyday CalculatorsSpecimen Storage MapMap labeled specimens to box coordinates and detect duplicate IDs or occupied-position conflicts.
Audio & VideoSpeech Background Ducking EditorCreate editable volume envelopes from voice regions. Preview intelligibility and transitions.
Everyday CalculatorsSpeech Duration PlannerPlan spoken delivery time with pauses.
Audio & VideoSpeech Plosive RepairMark plosive regions manually, apply a localized high-pass filter and audition the corrected dialogue before downloading WAV.
Text & WritingSpeech Script Breath Mark EditorAdd phrasing marks and emphasis; preview pacing; export speaker-friendly scripts.
Everyday CalculatorsSpeed Distance Time CalculatorSolve for speed, distance or time using kilometers and hours and review the calculation.
Everyday CalculatorsSphere Volume & Surface CalculatorCalculate a sphere’s capacity and exterior area from its radius.
Everyday CalculatorsSpherical Cap CalculatorMeasure a dome’s volume, curved area and base radius.
Everyday CalculatorsSplit Bill & Tip CalculatorSplit a bill, tip and extra charge between friends. Distribute leftover cents so everyone’s shares add up to the total.
Developer & DataSplit Pane Workspace BuilderDesign resizable panels with minimum widths and mobile drawer fallbacks.
Everyday CalculatorsSports League Standings BuilderBuild league tables from match scores with configurable points, played versus scheduled fixtures and transparent tie-breaking.
Images & DesignSpot Color Separation PreviewMap supplied artwork colors to named plates; inspect overprints; export proof layers.
Text & WritingSpreadsheet Cell Type InspectorFind numeric text, date-like strings and stored errors with exact cell evidence.
Text & WritingSpreadsheet Data Entry Form GeneratorDesign a local entry form from a declared schema and export validated rows.
Text & WritingSpreadsheet Data Validation BuilderCreate dropdown and bounded-entry rules, then test sample values before exporting.
Text & WritingSpreadsheet Date System RepairCompare 1900/1904 serial dates and preview a deliberate date-system migration.
Developer & DataSpreadsheet EditorFull workspaceEdit Excel spreadsheets online for free without Office. Open XLSX, XLS, ODS or CSV, use 120+ formulas like VLOOKUP, XLOOKUP and SUMIFS, sort,…
Text & WritingSpreadsheet Formula Documentation BuilderTurn stored formulas, direct references and named ranges into traceable documentation.
Developer & DataSpreadsheet Freeze Pane PlannerPreview row and column anchors against common screen sizes. Use your own input, a worked example and downloadable results.
Text & WritingSpreadsheet Hidden Content FinderFind hidden sheets, rows, columns and names, then explicitly unhide selected items.
Text & WritingSpreadsheet Lookup Match DebuggerExplain missing key matches with exact type, whitespace and case evidence.
Text & WritingSpreadsheet Merge Cell UnpackerExpand selected merged labels into ordinary cells with a clear before/after record.
Text & WritingSpreadsheet Precision Loss InspectorFind long numeric identifiers and preserve their stored decimal representation as text.
Text & WritingSpreadsheet Unit Consistency CheckerReview mixed unit labels against explicit column declarations and compare conversions.
SimulationsSpring & Pendulum SimulatorPull a mass on a spring or swing a pendulum and watch simple harmonic motion live. Compare the measured period with T = 2π√(m/k) and 2π√(L/g), add…
Everyday CalculatorsSpring Energy CalculatorCalculate ideal linear spring force and stored energy.
Developer & DataSpring Motion Parameter LabTune stiffness, damping and initial velocity. Compare settling behavior. Export keyframes.
Developer & DataSprite Animation Event AuthoringAttach footsteps and action markers to frames. Preview timing. Export event tracks.
GIF & AnimationSprite Animation Length CalculatorFind animation duration from frame count and playback rate.
Images & DesignSprite Atlas Capacity CalculatorPlan a grid of sprites in a texture with padding around each cell.
Developer & DataSprite Attachment Point EditorMark sockets and anchors across frames. Preview attached props. Export coordinate maps.
Developer & DataSprite Hitbox and Hurtbox EditorDraw per-frame boxes. Preview animations. Export timed collision metadata.
Developer & DataSprite Motion Consistency AnalyzerCompare manually marked sprite anchors, detect coordinate jumps and export registration corrections for your frame sequence.
Developer & DataSprite Palette Flicker CheckerTrack color substitutions across frames. Identify unintended palette jumps.
Developer & DataSprite Sheet CreatorCombine PNG, JPG and WebP sprites into a transparent sprite sheet. Arrange frames, trim empty borders, add spacing and edge extrusion, preview…
Developer & DataSprite Sheet Slicer & AnimatorSplit a sprite sheet into PNG frames, adjust grid margins and spacing, import unrotated atlas JSON, preview animation timing and export a frame…
Passwords & GeneratorsSQL Fixture INSERT GeneratorGenerate repeatable-shaped synthetic INSERT rows for a disposable SQL test table.
Developer & DataSQL Formatter WorkbenchFormat SQL across 21 dialect identifiers with reusable profiles, side-by-side editors, a change view, undo and local multi-file ZIP export.
ConvertersSQL INSERT to CSV ConverterConvert explicit-column SQL INSERT VALUES statements to an editable CSV download without executing SQL.
Developer & DataSQL Named Parameter ConverterConvert named SQL parameters into positional bindings while leaving strings, quoted identifiers, comments and PostgreSQL casts intact.
Developer & DataSQL Query Explain Plan VisualizerImport supported explain JSON; inspect costly nodes and row-estimate differences.
Developer & DataSQLite Database ExplorerFull workspaceOpen SQLite files locally, browse tables and views, inspect columns, run read-only queries with parameters, explain query plans and export CSV or…
Developer & DataSRT ↔ LRC Lyrics ConverterConvert subtitle cue starts into timed lyrics and rebuild SRT with configurable final-line duration.
Developer & DataSSH Config BuilderCreate OpenSSH host aliases from a form or JSON list with identity paths, ProxyJump aliases, strict host checks, keepalive settings and a…
Developer & DataStack Trace Deobfuscation WorkbenchMap minified frames using supplied maps; group failures without uploading sources.
Everyday CalculatorsStage Cue Sheet BuilderBuild a chronological cue sheet with department, trigger, standby time and duplicate cue-ID checks.
Everyday CalculatorsStamp Set Completion TrackerTrack a manually defined stamp checklist, missing entries and duplicate copies available for exchange.
Images & DesignStamp, Monogram & Badge MakerCreate custom round, oval and rectangular stamps, logo badges, monograms and date stamps with transparent PNG, SVG and reusable project exports.
Everyday CalculatorsStandard Error CalculatorEstimate the standard error of a sample mean from its standard deviation.
Developer & DataStar Trail Photo StackerCombine fixed-camera night exposures; manage gaps and masks; export layered results.
Developer & DataState Machine DesignerFull workspaceDesign flat state machines with a visual map, ordered events, typed guards and effects. Simulate event sequences, inspect transition coverage and…
Developer & DataStatistical Result Rounding CheckerCheck reported estimates and intervals for inconsistent rounding or impossible ranges. Use your own input, a worked example and downloadable results.
Developer & DataStatus Effect Interaction DesignerDefine stacking, duration and priority. Simulate combinations. Export rules and tests.
Images & DesignStencil Bridge BuilderAdd bridges to enclosed vector shapes; preview readability; export cut-ready paths.
Audio & VideoStereo Phase Correlation AnalyzerMeasure left/right correlation and mono cancellation from decoded stereo audio, compare short windows and export a mono reference WAV.
Developer & DataStipple Illustration GeneratorConvert tones into seeded dots; control density and spacing; export SVG.
Everyday CalculatorsStock Days Cover CalculatorEstimate inventory coverage from average daily demand.
Developer & DataStop-motion Exposure ConsistencyCompare per-frame luminance. Apply reviewed adjustments. Preserve original frame timings.
Audio & VideoStop-motion Frame AssemblyAlign still sequences. Adjust exposure and holds. Export video with a frame manifest.
Everyday CalculatorsStorage Bin Volume CalculatorEstimate rectangular storage capacity and usable volume after an allowance.
Passwords & GeneratorsStory Conflict GeneratorCombine protagonists, goals, obstacles and stakes for a writing-session brief.
Text & WritingStream Starting and Break Screen MakerCompose branded scenes with countdown and status text. Export editable packages.
Developer & DataStreaming Download Progress SimulatorTest known and unknown content lengths; preview retry and cancellation UI states.
Developer & DataStructured Data Graph ComposerConnect entities and references; validate syntax; export linked JSON-LD without eligibility promises.
Developer & DataStructured Data InspectorInspect JSON-LD entities, types, names, IDs and properties from JSON or pasted page markup.
Developer & DataStructured Data Visible-content ComparatorCompare supplied markup facts with page excerpts; flag unsupported claims.
Everyday CalculatorsStudy Session PlannerSplit a study workload into focused sessions with breaks.
Text & WritingStudy Source Credibility WorksheetRecord author, evidence and limitations for sources; export a comparison sheet. Use your own input, a worked example and downloadable results.
Everyday CalculatorsStudy Topic Time AllocatorDistribute a study-time budget across topics using urgency, priority and minimum/maximum practice needs, then split it into manageable blocks.
Developer & DataSubresource Integrity Hash GeneratorGenerate local SHA-256, SHA-384 and SHA-512 integrity hashes, escaped script and CSS snippets, and strongest-algorithm comparisons without…
Everyday CalculatorsSubscription Renewal CalendarExpand monthly or yearly renewal dates into a 12-month calendar and total scheduled amounts in one currency.
Audio & VideoSubtitle Cue SegmenterSplit long subtitle cues into shorter timed segments, preserving each source cue’s overall interval and assigning time by text length.
Text & WritingSubtitle Forced Narrative ExtractorMark essential onscreen text and foreign-language passages. Export forced-caption tracks.
Text & WritingSubtitle Language Switch Preview HarnessTest multiple caption tracks, language labels and fallback choices on local media. Export compatibility observations.
Audio & VideoSubtitle Line Balance FormatterReflow subtitle text into readable line lengths while preserving cue timestamps and flagging cues that exceed your line budget.
Text & WritingSubtitle Multi-format Round-trip TesterCompare text, timing and style preservation across supported conversions.
Text & WritingSubtitle Overlap & Reading AuditAudit SRT and plain WebVTT cues for nested overlaps, reading speed, short gaps, durations and line length, with adjustable thresholds and full…
Audio & VideoSubtitle Reading Speed CalculatorCheck a subtitle’s character rate and minimum display time.
Text & WritingSubtitle Redaction ReviewMask sensitive words with timing preserved. Export sanitized captions and a change log.
Text & WritingSubtitle Region and Vertical Text PreviewTest supported writing modes and regions. Flag player compatibility limits.
Audio & VideoSubtitle Revision ComparerCompare two SRT revisions cue by cue, separating text edits from start-time drift, end-time changes and added or removed cues.
Text & WritingSubtitle Shot-change AlignmentCompare cues with supplied scene cuts. Suggest boundary adjustments for review.
Text & WritingSubtitle Speaker Consistency AuditTrack speaker labels and colors across files. Flag inconsistent identification.
Audio & VideoSubtitle Speaker LabelerAssign speaker names by cue number, generate a speaker-labeled SRT and voice-tagged WebVTT, and export a transcript grouped by speaker.
Text & WritingSubtitle Style Guide ValidatorApply selected line, timing and punctuation policies. Show fixable errors by cue.
Text & WritingSubtitle Timebase Drift AnalyzerCompare anchor cues across versions. Fit offset and drift. Preview corrections.
Text & WritingSubtitle Timing EditorShift SRT and WebVTT subtitles, correct timing drift with two anchors, preview cue changes and export corrected subtitles locally.
Text & WritingSubtitle Track Difference MergerMerge reviewed cue edits from two versions. Resolve text and timing conflicts.
Developer & DataSubtitles ↔ CSV ConverterConvert SRT or plain WebVTT cues to editable CSV rows and rebuild timed subtitles from the table.
Everyday CalculatorsSudoku Generator & SolverGenerate a Sudoku with one solution or solve and check a puzzle you already have.
Developer & DataSunburst Hierarchy ExplorerExplore part-to-whole paths with branch focus, descendant totals and an editable radial diagram.
Everyday CalculatorsSupplier Quote ComparisonCompare landed order costs, minimum quantities, pack sizes and delivery deadlines using a common demand target.
Developer & DataSupport Contact Markup PlannerMark support-sensitive surfaces and no-contact zones. Export annotated models.
Everyday CalculatorsSupport Queue Staffing PlannerEstimate support workload by channel, include backlog clearance and compare required staffing with productive capacity.
ConvertersSurface Tension ConverterConvert surface tension values between force-per-length unit systems.
Everyday CalculatorsSurvey Quota TrackerTrack mutually exclusive recruitment quotas, exclusions and the additional invitations needed at an assumed response rate.
Everyday CalculatorsSurvey Response AnalyzerSummarize CSV survey answers with explicit missing-data denominators, multi-select counts, ordered Likert scoring, group filters, charts and…
Developer & DataSurvey Weighting Review LabInspect supplied survey weights, their effective sample size and how they change group estimates.
Images & DesignSVG Accessibility InspectorInspect SVG names, titles, ARIA references, image descriptions and viewBox metadata without rendering it.
Developer & DataSVG Clipping and Mask DebuggerInspect nested masks and coordinate systems; isolate invisible content causes.
Developer & DataSVG Coordinate Precision ComparatorCompare precision levels visually; measure path deviation; export a chosen version.
Developer & DataSVG Layer Naming OrganizerRename groups by semantic rules; preserve IDs and references; export clean files.
Developer & DataSVG Marker and Arrowhead DesignerCreate scalable marker sets; preview line joins and orientation; export definitions.
Developer & DataSVG OptimizerOptimize SVG icons and logos locally with SVGO. Compare artwork, preserve viewBox and accessibility, edit source, choose optimization profiles and…
Developer & DataSVG Path Repair LabDetect open paths, tiny segments and self-intersections; preview safe repairs.
Developer & DataSVG Pattern Tile EditorDesign repeat units with live tiling; control edge continuity; export pattern definitions.
Developer & DataSVG Sprite BuilderCombine SVG icons into a symbol sprite with rewritten IDs and local references. Preview icons and export the sprite, HTML snippets and manifest…
Developer & DataSVG Symbol Reference Integrity AuditorTrace use/href references and ID collisions across supplied SVG files; export broken-reference patches and regression fixtures.
Developer & DataSVG Text Outline WorkbenchConvert supplied licensed fonts to paths; preserve layout; report lost text accessibility.
Developer & DataSVG Wave & Section Divider GeneratorCreate smooth or angular section dividers with layered fills, gradients, transparent backgrounds and repeatable seeds. Export SVG, PNG, CSS…
Audio & VideoSwing and Groove Timing LabMove subdivisions with explicit timing. Audition patterns. Export MIDI grooves.
Text & WritingSwitch Scanning Choice Interface BuilderConfigure sequential choices and activation timing; export a local assistive prototype.
Developer & DataSymbol Repetition Layout DesignerDistribute objects along paths or grids; control spacing; export editable instances.
Passwords & GeneratorsSynthetic Log GeneratorCreate JSON Lines application logs with request IDs, status codes, latency and controlled error frequency.
Developer & DataSystem Configuration Evidence PackagerBundle sanitized configuration snapshots, hashes and notes into an audit archive.
Images & DesignTab Divider Print DesignerCreate staggered index tabs and label areas; export duplex-ready sheets.
Text & WritingTab Stop & Indentation ConverterExpand tabs according to actual stops or compress leading indentation into tabs with per-line column audits.
Everyday CalculatorsTabletop Travel Pace PlannerTurn fictional route segments into travel days using terrain multipliers, daily travel hours and planned stops.
Developer & DataTabular Data Package BuilderPackage local tables with a readable dataset descriptor, field schemas and reproducible source fingerprints.
Everyday CalculatorsTank Refill Time CalculatorEstimate refill time using volume and constant flow.
Developer & DataTar Archive BrowserInspect entries and permissions; selectively extract safe paths; export an inventory.
Audio & VideoTarget File Video Bitrate CalculatorEstimate the video bitrate budget for a chosen file-size limit.
Developer & DataTask Switching Cost PlannerMeasure context changes in your task list and compare the original sequence with simple context batching.
Developer & DataTechnical Callout Diagram BuilderPlace numbered leaders and parts labels; prevent overlaps; export diagrams and legends.
Developer & DataTechnical Debt Evidence RegisterLink code locations, impact and remediation notes; export prioritized review packets.
Text & WritingTechnical Writing Procedure CheckerReview numbered steps for prerequisites, branching and expected outcomes.
Text & WritingTeleprompter & Script ReaderRead scripts in a large adjustable teleprompter with scroll controls, mirror mode, RTL, themes, focus view and local text-file import.
Everyday CalculatorsTelescope Eyepiece ComparisonCompare eyepiece combinations by magnification, exit pupil and approximate true field of view.
Text & WritingTelevision Caption Character Budget TesterApply selected delivery limits. Preview line breaks and unsupported characters.
Audio & VideoTempo Stretch Ratio CalculatorCalculate duration change for a tempo conversion.
Text & WritingTerminology Approval Workflow PackagerCreate offline term review packets; merge approvals; preserve reviewer comments.
Developer & DataTernary Diagram ExplorerPlot three-part mixtures with validated totals, optional explicit normalization and labeled composition data.
Developer & DataTerraform Plan Report ViewerInspect supplied JSON plans; group changes and sensitive fields; export review summaries.
Images & DesignTerrain Texture Transition StripBlend two equal-size textures through a seeded noise mask, creating a reusable transition strip with exact first and last texture frames.
Developer & DataTest Assertion Diff ExplorerCompare nested expected and actual values; filter noise; export readable failure reports.
Developer & DataTest Case & Release QA WorkbenchFull workspaceOrganize test suites and requirements, execute frozen test runs, record step results and defects, compare builds and export a complete release…
Developer & DataTest Flakiness Log AnalyzerGroup repeated test outcomes; compare durations and failure patterns by environment.
Developer & DataTest Naming Consistency InspectorParse supported test declarations; compare conventions; export renaming suggestions.
Text & WritingText Chunking WorkbenchCreate overlapping text chunks with paragraph, sentence, word or code-point boundaries, exact reconstruction checks, manifests and local ZIP exports.
Developer & DataText Coding Frequency AnalyzerSummarize your manual themes with group denominators and quotations that stay linked to their source excerpts.
Text & WritingText Concordance BuilderFind a word or phrase in context and export a keyword-in-context table with original text offsets.
Developer & DataText Data URI Builder & DecoderBuild Base64 data URIs from UTF-8 text with a custom MIME type, or inspect and decode text data URIs without opening them or executing embedded…
Text & WritingText Emphasis Convention PreviewCompare bold, dots and marks across scripts without changing the underlying text. Use your own input, a worked example and downloadable results.
Text & WritingText Encoding ConverterConvert text files between strict UTF-8, UTF-16LE/BE, UTF-32LE/BE and ISO-8859-1. Control BOMs, line endings and inspect encoded bytes locally.
Text & WritingText Letter Position Sum CalculatorCalculate A1Z26 or reversed alphabet letter sums with per-line or whole-text breakdowns and exportable values.
Text & WritingText Line Length AuditorReview line lengths and find lines over a chosen limit without altering the original text.
Text & WritingText Line Wrapper & UnwrapperWrap plain text to a chosen line length or repair paragraphs broken across lines. Control indentation, paragraph handling and long words, then…
Text & WritingText List Set OperationsCompare two text lists with intersection, union and directional or symmetric differences. Control case, spaces, Unicode and empty lines, then…
Text & WritingText N-gram Frequency AnalyzerCount overlapping word or grapheme n-grams with ranked frequencies and original token-position reports.
Text & WritingText Register Consistency CheckerApply a chosen tone checklist; locate formal/informal term mismatches without AI claims. Use your own input, a worked example and downloadable…
Text & WritingText Repeated Opening FinderFind consecutive sentences or paragraphs starting alike; display revision candidates. Use your own input, a worked example and downloadable results.
Text & WritingText Revision StatisticsMeasure word-level additions, deletions and retained wording between two drafts, with an ordered edit ledger and revision summary.
Text & WritingText Shannon Entropy AnalyzerInspect empirical token frequencies and zero-order Shannon entropy for graphemes, words or UTF-8 bytes.
Text & WritingText Shuffle & RepeatShuffle lines, words or Unicode characters, or repeat a text block with custom spacing. Create randomized practice lists and reusable text locally.
Text & WritingText Skip-gram GeneratorGenerate ordered positional skip-grams with explicit gap limits, word/grapheme choices and complete source-position exports.
Text & WritingText to Image & Quote Card MakerCreate quote cards and text images with ready-made designs, custom sizes, photo backgrounds and transparent PNG exports. Preview locally, then…
Developer & DataTexture Color-space Assignment CheckerInspect declared texture roles. Flag likely incorrect sRGB versus linear settings.
Images & DesignTexture Edge Padding ExtruderAdd repeated, mirrored or wrapped texels around an image to build a texture gutter while preserving the original center pixels.
Developer & DataTexture Memory CalculatorEstimate uncompressed GPU texture memory with an optional complete mip chain.
Everyday CalculatorsThanksgiving Turkey PlannerPlan Thanksgiving dinner: turkey size per guest, when to start thawing, USDA roasting times at 325 °F, a timed oven plan for every side dish,…
Everyday CalculatorsTheater Prop Preset TrackerTrack prop reservations across scenes and detect when simultaneous demand exceeds the available copies.
Everyday CalculatorsTheater Ticket Inventory PlannerTrack sold, complimentary and held seats by section, with remaining inventory and revenue estimates.
ConvertersThermal Conductivity ConverterConvert material thermal conductivity across SI and imperial units.
Images & DesignThermal Label Command PreviewerPreview supported printer-command subsets; export images and commands without sending jobs.
ConvertersThermal Resistance ConverterConvert total thermal resistance for a component, separate from area-normalized insulation R-values.
Developer & DataThird-party Data Sharing RegisterTrack vendors, fields and declared purposes; export review reminders and data-flow diagrams.
Developer & DataThird-party Script Inventory MapperClassify supplied script URLs and owners; track performance evidence and review decisions.
Developer & DataThreat Modeling Diagram WorkbenchMap assets, trust boundaries and mitigations; generate review prompts and evidence links.
Everyday CalculatorsThree-Point Project EstimatorBuild task estimates from optimistic, likely and pessimistic effort, compare PERT and triangular averages and price the work.
Everyday CalculatorsTile Grout Volume EstimatorEstimate grout joint volume for square tiles using a thin-joint approximation.
Developer & DataTile Map Size PlannerCalculate map dimensions and cell count for an orthogonal tile grid.
Developer & DataTilemap Collision Layer EditorAnnotate existing tilemaps with collision shapes. Export supported layer data.
Developer & DataTilemap Navigation Connectivity AuditFind unreachable areas and bottlenecks using declared movement rules.
Everyday CalculatorsTime Duration CalculatorCalculate hours and minutes between two times, including overnight shifts and breaks. Get decimal hours for timesheets too.
Everyday CalculatorsTime Log Category ReportSummarize a manual time log by category with totals, hours and percentage shares.
Audio & VideoTime-Lapse Capture PlannerPlan frames, interval and capture duration for a time-lapse clip.
Audio & VideoTime-Lapse Interval PlannerFind a capture interval for a desired finished clip duration.
Developer & DataTime-series Anomaly ReviewInvestigate unusual observations with a trailing baseline, visible candidates and a review log.
Developer & DataTime-series Gap Treatment LabCompare missing-value treatments on a regular grid and export every synthetic-point flag.
Text & WritingTimed Transcript HTML PublisherCreate searchable, keyboard-accessible transcript pages linked to local media.
Developer & DataTimestamp Precision Migration TesterTest second-to-nanosecond migrations with exact integers, loss reports and signed 64-bit overflow checks.
Developer & DataTimezone Working Hours PlannerFind date-specific meeting times across timezones and work schedules. Account for local dates, weekends, overnight shifts and daylight-saving…
Developer & DataTLS Certificate Chain ViewerInspect supplied public certificates; show issuer links and validity without asserting trust.
Developer & DataTool Search Synonym PlannerMap visitor phrases to existing tool names; test zero-result queries before adding pages. Use your own input, a worked example and downloadable…
Developer & DataToolbar Overflow Pattern BuilderPrioritize actions; preview overflow menus and compact mode; export responsive UI.
Developer & DataTopographic Line Art GeneratorBuild contour-like decorative paths from declared fields; export scalable artwork.
ConvertersTorque ConverterConvert torque units while keeping torque distinct from energy despite matching dimensions.
Everyday CalculatorsTorque Lever CalculatorCalculate torque from force, lever length and application angle.
Everyday CalculatorsTorus Volume CalculatorMeasure a doughnut-shaped solid using its major and tube radii.
Text & WritingTouch Target Spacing AuditorInspect uploaded UI measurements; visualize target overlaps and spacing concerns.
Everyday CalculatorsTournament Bracket GeneratorCreate a seeded single-elimination bracket with fair automatic bye placement.
Everyday CalculatorsTournament Prize Pool PlannerAllocate an organizer-defined prize fund across award tiers with exact-cent rounding and an auditable payout list.
Text & WritingTracked Changes Decision AssistantReview insertions and deletions by author; selectively accept; save a revised copy. Review existing Word files with editable decisions, structural…
SimulationsTraffic Jam SimulatorSee how traffic jams appear from nothing. Cars on a ring road follow a realistic driver model; tap a car to brake and watch the jam wave travel…
Everyday CalculatorsTraining Skills Gap AnalyzerCompare current and target skill levels, weight gaps by importance and estimate training workload by person.
Text & WritingTranscript Cleanup Review EditorClean transcript wrapping and speaker presentation while keeping every suggested change and timestamp visible.
Developer & DataTranscript Completeness ChecklistReview speakers, non-speech sounds and visual context against a supplied media timeline. Use your own input, a worked example and downloadable…
Text & WritingTranscript Evidence Quote ExporterSelect quotations with source times and context. Export traceable research excerpts.
Text & WritingTranscript Personal Information ScannerFlag pattern-based candidate identifiers. Let users approve redactions with context.
Text & WritingTranscript Search Highlight Reel PlannerFind user-selected phrases. Assemble clip ranges with context and duplicate handling.
Text & WritingTranscript Topic Chapter BuilderMark topic boundaries manually. Generate chapter titles and linked transcript navigation.
Text & WritingTranslation Change Impact MapperCompare source revisions; mark affected segments and reuse-safe translations.
Text & WritingTranslation Glossary Exchange BuilderMaintain preferred terms and context; export TBX-compatible subsets and CSV.
Text & WritingTranslation Length Budget CheckerCompare string expansion with supplied UI limits; export overruns by locale.
Text & WritingTranslation Pseudolocalization TesterExpand strings and add accent markers; preview clipping and missing localization coverage.
Text & WritingTranslation QA Rule Profile BuilderCombine placeholder, length and terminology rules; export reusable validation profiles.
Text & WritingTranslation Segmentation Rule TesterTest sentence boundary rules on source paragraphs; export reviewed segment lists.
Developer & DataTransparent Asset Matte TesterPreview edges on many backgrounds; expose fringe colors; export reviewed corrections.
Images & DesignTransparent RGB Bleed FixerFill hidden RGB beneath fully transparent pixels from nearby visible colors, keeping every alpha value intact for texture filtering workflows.
Everyday CalculatorsTrapezoid Area CalculatorCalculate the area and midline of a trapezoid with parallel sides.
Everyday CalculatorsTravel Baggage Weight PlannerGroup packed items by traveler and bag, include bag tare and flag weight-limit problems before a trip.
Everyday CalculatorsTravel Itinerary PlannerBuild a day-by-day travel itinerary with time zones, booking details, schedule overlap checks, costs by currency, a checklist and calendar or…
Developer & DataTree View Component DesignerConfigure expand, select and keyboard behavior; export a local navigable tree.
Developer & DataTreemap Label OptimizerMake hierarchical totals readable with nested tiles, branch focus and a complete interactive branch index.
Everyday CalculatorsTriangle CalculatorSolve a triangle from its three sides, including angles, area, perimeter and heights.
Images & DesignTrim Transparent PNGCrop empty transparent space from a PNG. See exactly what gets cut, ignore faint pixels, add padding back and download. Kept pixels stay identical.
Everyday CalculatorsTrip Fuel Cost CalculatorEstimate fuel and shared trip cost in litres or US/Imperial gallons. Add a return trip and include other charges once.
Everyday CalculatorsTruncated Cone CalculatorCalculate capacity and surface for a cone with its tip removed.
Developer & DataTurn Order Rules SimulatorTest initiative, ties and delayed actions. Export deterministic scenario traces.
Everyday CalculatorsTwo Parallel Resistors CalculatorCalculate equivalent resistance and branch currents for a parallel pair.
Text & WritingTyped List JSON, YAML & JSON Lines ConverterConvert plain-text lists, JSON arrays, JSON Lines and YAML sequences with item type previews and exact numeric source digits preserved.
Everyday CalculatorsTyping Completion PlannerEstimate how long a typing task takes including breaks.
Text & WritingTyping Speed Test & PracticePractice timed or full-passage typing with live mistakes, current-text accuracy, correct and gross WPM, custom passages and local result downloads.
Text & WritingTypography Baseline Grid PreviewVisualize line boxes and baseline rhythm using supplied font metrics. Use your own input, a worked example and downloadable results.
ConvertersTypography Unit ConverterConvert CSS lengths using configurable font sizes, viewport dimensions and pixels per inch.
Developer & DataUI Microcopy State InventoryMap labels and messages to component states; export a localization-ready inventory.
Images & DesignUI Wireframe & Prototype BuilderFull workspaceDesign multi-screen website and app wireframes with draggable components, layers, alignment tools and clickable navigation. Preview the flow and…
Passwords & GeneratorsULID GeneratorGenerate sortable ULIDs, choose a timestamp and compare independent randomness with monotonic batch ordering.
Developer & DataUncertainty Band Chart BuilderPlot supplied intervals around a series, with gaps and method notes that remain visible in the export.
Audio & VideoUncompressed Video Storage CalculatorEstimate raw video storage from resolution, frame rate and bits per pixel.
Text & WritingUnicode Code Point Base ConverterEncode or decode Unicode scalar values in numeric bases 2–36 with exact per-character code-point inspection.
Text & WritingUnicode Grapheme InspectorExplore grapheme clusters, joined emoji and combining marks with code-point and byte details, plus cluster-aware truncation and reversal previews.
Text & WritingUnicode Grapheme Padding & AlignmentPad, center or right-align text lines without splitting emoji or combining sequences, with explicit overflow truncation controls.
Text & WritingUnicode Look-Alike & Confusable ExplorerInspect visually similar Unicode characters, compare reference mapping fingerprints and generate Greek or Cyrillic look-alike examples. Includes…
Text & WritingUnicode Normalization LabCompare NFC, NFD, NFKC and NFKD, inspect character and byte counts and download a normalized copy.
Developer & DataUnicode Range ExplorerExplore a hexadecimal Unicode range with characters, UTF-8 bytes, decimal values and HTML entities, then export CSV or JSON.
Text & WritingUnicode Scalar Shift WorkbenchIncrement or decrement Unicode scalar positions with explicit range rejection or wrapping and an escaped before/after audit.
Text & WritingUnicode Script Mixing AuditIdentify mixed scripts in labels; distinguish expected names from suspicious substitutions. Use your own input, a worked example and downloadable…
Developer & DataUnicode Source Code Hazard InspectorReveal invisible and bidirectional characters; show affected source spans safely.
Everyday CalculatorsUnit Equation CheckerCalculate formulas with mixed units and check dimensional consistency. Convert variables to SI, inspect calculation steps and export a unit-aware…
Everyday CalculatorsUnit Price ComparatorCompare prices across pack sizes, multipacks and quantities. Calculate exact unit-price rankings for mass, volume or item counts and export a…
Developer & DataUnix Timestamp ConverterConvert Unix seconds or milliseconds to UTC and local dates, or dates to timestamps. Includes current time, exact millisecond precision, batch…
Developer & DataURL Encoder, Decoder & InspectorEncode or decode URL components, whole URLs and form values locally. Inspect URL parts and repeated query parameters, with raw fields, clear…
Developer & DataURL Parameter Crawl Policy TesterSimulate canonicalization and allowlists on supplied URL samples; export policy cases.
Developer & DataURL Path Glob TesterCompare URL lists against simple path patterns to plan routing groups, filters and migrations without visiting the links.
Developer & DataURL Query BuilderBuild HTTP/HTTPS URLs with editable query parameters, repeated names and optional rows. Choose space encoding and export the URL or a reusable…
Developer & DataURL Router Conflict AnalyzerCompare declared route patterns; generate colliding examples and precedence explanations.
Developer & DataURL Tracking Parameter ExplainerClassify known tracking-like fields; preview removals and functionality risks. Use your own input, a worked example and downloadable results.
PDF ToolsUS Letter Print & PDF WorkbenchFit PDFs to US Letter or A4, arrange multiple pages per sheet and create tiled posters with margin, scale and overlap controls.
Everyday CalculatorsUS Mortgage & Home-Buying PlannerSee the full monthly cost of a home, plan cash to close, compare saved scenarios and explore how extra payments change your mortgage.
Everyday CalculatorsUS Paycheck & Overtime PlannerPlan weekly hourly wages, overtime and allocated bonuses, then estimate take-home pay using your own deduction assumptions.
Everyday CalculatorsUS Recipe & Baking ConverterScale a whole recipe by servings or pan size, convert ingredient-specific cups and weights, and prepare a printable kitchen sheet.
Passwords & GeneratorsUsername GeneratorGenerate themed, unique name ideas within explicit length constraints. Includes clear instructions, examples and validated output controls.
Developer & DataUTF-16 Code Unit InspectorInspect JavaScript UTF-16 code units, escape sequences and paired or unpaired surrogate status.
Text & WritingUTF-8 Byte Offset InspectorMap characters to UTF-8 byte offsets and UTF-16 indices to investigate parser errors and multibyte text.
Developer & DataUTF-8 Storage Scenario PlannerEstimate byte length from counts of one-, two-, three- and four-byte code points.
Developer & DataUTM Campaign BuilderCreate and check campaign links in batches while preserving existing query parameters and fragments.
Developer & DataUUID Generator & InspectorGenerate UUIDv4 and UUIDv7 batches locally with secure browser randomness. Copy IDs, export TXT, JSON or CSV, and inspect UUID versions and v7…
Images & DesignUV Checker Texture GeneratorCreate a numbered checker texture with grid lines and adjustable colors to inspect UV stretching, tile scale and texture orientation.
Developer & DataUV Texel Density InspectorMeasure density by island. Compare target resolution and scale consistency.
Developer & DataVariable Font Instance ProofingCompare axes across representative text; save named instances and proof pages.
Audio & VideoVariable Frame Rate Timeline InspectorInspect nonfragmented MP4 sample timing or supplied presentation timestamps. Compare cadence intervals and export timing evidence.
Text & WritingvCard Contact CreatorCreate an importable contact card with names, phone, email, organization and website.
Text & WritingvCard Contact MergerCombine contact cards, review duplicate keys and export retained complete vCards.
Developer & DataVector Asset Licensing SheetAttach supplied attribution and license notes to preview sheets and manifests.
Developer & DataVector Asset Variant MatrixGenerate approved size, color and state combinations with collision-safe names.
Images & DesignVector Bounding Box InspectorShow geometric and painted bounds; explain whitespace and clipping in supplied SVG. Use local file input, a worked example and downloadable results.
Developer & DataVector Corner and Join InspectorHighlight miter spikes and acute corners; preview join strategies before export.
Everyday CalculatorsVector Dot Product CalculatorCompare two 2D vectors by dot product and angle.
Images & DesignVector EditorFull workspaceDesign logos, icons and graphics in your browser. Draw shapes and Bézier paths, edit nodes, add text, gradients and layers, align objects, open…
Everyday CalculatorsVector Geometry WorkbenchExplore 2D and 3D vectors with a live diagram, draggable 2D endpoints, projections, cross products and reusable calculation reports.
Developer & DataVector Hatching Fill DesignerFill shapes with aligned hatching; control gaps and clipping; export vector paths.
Developer & DataVector Weaving Pattern ComposerCreate interlacing path effects with editable crossing order and export layers.
Audio & VideoVideo Alpha Channel InspectorPreview supported transparency on backgrounds. Validate premultiplication and export compatibility.
Audio & VideoVideo Aspect Metadata RepairInspect declared pixel aspect ratios and patch an existing MP4 pasp field. Insertion and full remux cases are clearly reported.
Audio & VideoVideo Audio Track Language EditorInspect track labels and patch existing MP4 audio-language fields without recompressing media. Export language assignments when no compatible file…
Audio & VideoVideo Bitrate Size EstimatorEstimate file size from video and audio bitrates and duration.
Audio & VideoVideo Black Frame and Silence AuditInspect sampled video frames for darkness and compare supplied silence intervals. Export a timed candidate review, not an exhaustive frame audit.
Audio & VideoVideo Camera Sync Marker ReaderInspect supported MP4 track metadata and calculate camera alignment offsets from your manually supplied source/master anchors.
Audio & VideoVideo Chapter EditorCreate and validate chapters. Preview boundaries. Export supported chapter metadata.
Audio & VideoVideo Cinemagraph MakerFreeze selected regions while preserving looped motion. Edit masks and export options.
Audio & VideoVideo Color Space Metadata InspectorShow primaries, transfer and range tags. Flag inconsistent declarations without guessing.
Audio & VideoVideo Compressor & ResizerCreate a smaller video for sharing. Balance resolution, frame rate and quality, then compare the actual output size and appearance.
Audio & VideoVideo Contact Sheet Sample PlannerPlan evenly spaced thumbnail samples within a video interval.
Audio & VideoVideo Container Stream ExplorerList tracks, chapters and metadata. Export a technical inventory without decoding all frames.
Audio & VideoVideo Cover Crop PlannerCalculate source crop dimensions for filling a target frame without bars.
Audio & VideoVideo Crop & RotateReframe a video for your screen or social post. Crop visually or enter exact pixels, rotate and flip, then export the framing you preview.
Audio & VideoVideo Delivery Filename ValidatorCheck client naming rules, versions and technical properties across files.
Audio & VideoVideo Edit Decision List InspectorReview supported EDL events and reel names. Flag missing sources and timing conflicts.
Audio & VideoVideo End-card ComposerBuild timed calls-to-action from owned assets. Preview safe areas. Export final segments.
Audio & VideoVideo Film Grain ProofingCompare seeded grain profiles at delivery sizes. Preserve reproducible settings.
Audio & VideoVideo Frame Count PlannerCalculate frame count and actual duration after whole-frame rounding.
Audio & VideoVideo Frame Drop DetectorFind candidate timestamp gaps in supported MP4 tables or supplied timing lists. Review intentional VFR changes separately.
Audio & VideoVideo Freeze Frame ReviewDetect near-static intervals. Distinguish intentional stills through user review.
Audio & VideoVideo Letterbox PlannerCalculate contain-fit video size and bars in a target canvas.
Audio & VideoVideo Loop Seam BuilderCompare end/start frames. Create controlled crossfades. Export loop-ready clips.
Audio & VideoVideo LUT Preview and ConverterApply supported cube LUTs. Compare clipping and interpolation. Export compatible LUT formats.
Audio & VideoVideo Motion Trail Effect BuilderCreate controlled frame blending and echoes. Preview ghosting. Export selected ranges.
Audio & VideoVideo Proxy and Relink Manifest BuilderBuild a bounded, sampled silent video proof with a source fingerprint and capture map for review and relinking evidence.
Audio & VideoVideo Reverse Segment ComposerReverse selected ranges with defined audio behavior. Preview boundaries before export.
Audio & VideoVideo Safe Crop Batch ComposerUse manual subject anchors for multiple aspect ratios. Review every crop before export.
Audio & VideoVideo Screen Replacement Corner-pin EditorPlace captured footage inside four manually supplied normalized corners. Preview a bounded bilinear warp and export the corner settings and silent…
Audio & VideoVideo Shutter Angle CalculatorTranslate exposure duration and frame rate into shutter angle.
Developer & DataVideo Sitemap Metadata BuilderMap pages to video metadata; validate required fields; export XML and errors.
Audio & VideoVideo Subtitle BurnerPut readable captions directly into your video. Open SRT or VTT subtitles, adjust timing and styling, and preview the active captions before…
Audio & VideoVideo Thumbnail MakerCapture sharp video frames at chosen times, add title overlays and export thumbnails or contact sheets.
Audio & VideoVideo Timecode & Frame CalculatorConvert video timecodes, frame counts and seconds with exact fractional rates, drop-frame label checks, frame offsets and exclusive-end clip…
Audio & VideoVideo Title Safe Area PlannerCalculate centered inset dimensions for title-safe framing.
Audio & VideoVideo to Audio ExtractorSave the soundtrack from a video as an audio file. Select the useful moment, choose an audio format and listen before sharing.
Audio & VideoVideo Trimmer & CutterKeep the moments that matter. Set exact cut points, export individual clips or remove a middle section, with optional resizing and audio controls.
Developer & DataView Transition StoryboardDefine state changes and shared elements; export a bounded transition demo.
Developer & DataViewport Overflow Evidence CheckerCompare supplied element rectangles; flag off-screen content and likely overflow causes. Use your own input, a worked example and downloadable…
Images & DesignVinyl Cut Weeding PlannerDetect small islands; add weeding boxes; preview safe cut-path simplification.
Developer & DataVisual Data Table DesignerAdd useful in-cell bars and sparklines, then share an accessible table that sorts without a server.
Audio & VideoVocoder & Robot Voice MakerTurn speech into a synthesized robot or musical voice with a real filter-bank vocoder, carrier notes, 8–20 bands, envelope controls and local WAV…
Audio & VideoVoice ChangerRecord or upload a voice, tap 25 styles from deep and giant to robot and radio, compare original and changed at the same moment, then download WAV…
Everyday CalculatorsVoltage Divider CalculatorCalculate an unloaded two-resistor voltage divider output.
ConvertersVolumetric Flow ConverterConvert flow ratings across liters, cubic units and US or imperial gallons.
Everyday CalculatorsVolunteer Hours Recognition TrackerSummarize verified volunteer hours by person and role and identify who meets an organizer-defined recognition threshold.
Everyday CalculatorsVolunteer Preference MatcherAssign volunteers to capacity-limited roles using ranked choices, maximizing placements before minimizing total preference rank.
Everyday CalculatorsVolunteer Role Capacity MatcherAssign volunteers to available roles in preference order and identify unfilled needs.
Everyday CalculatorsVolunteer Shift Coverage CheckerCompare required and assigned volunteers for named shifts and flag overlapping assignments for the same person.
Developer & DataVoronoi Vector Pattern MakerPlace seeded sites; clip cells; edit outlines; export SVG and coordinate data.
Developer & DataWaffle Chart Icon ComposerCompose labeled share grids with whole-cell rounding you can explain and verify.
Everyday CalculatorsWallpaper Roll CalculatorEstimate wallpaper rolls by counting full-height strips across multiple walls, including straight pattern repeats, trimming, spare rolls and an…
Everyday CalculatorsWarehouse Slotting PlannerAssign fast-moving SKUs to limited near-pick slots and estimate travel savings from entered distances.
Everyday CalculatorsWater Meter Reading AuditorCompare dated cumulative meter readings, normalize consumption by elapsed days and flag gaps or unexpected decreases.
Everyday CalculatorsWater Use EstimatorEstimate consumption from flow, duration and frequency.
Developer & DataWaterfall Reconciliation Chart MakerExplain a starting value, signed contributions and declared totals without hiding unreconciled differences.
Audio & VideoWAV Cue Marker EditorAdd or replace labeled cue points in a WAV file while preserving its audio data, then export the marked WAV and a marker inventory.
SimulationsWave Interference SimulatorA virtual ripple tank: place wave sources, draw walls and slits, and watch interference, diffraction, reflection and refraction. Measure the…
Developer & DataWayfinding Sign System BuilderCreate consistent directional signs with user-defined symbols and bilingual labels.
Text & WritingWeak Verb and Filler FinderUse editable word lists; inspect context; export a revision checklist. Use your own input, a worked example and downloadable results.
Developer & DataWeb 3D Delivery Budget AuditorInspect triangles, textures and draw-call proxies. Suggest target-specific optimization tasks.
Developer & DataWeb Animation Sequence BuilderCompose element timelines and cues. Preview interruption behavior. Export JavaScript examples.
Developer & DataWeb App Manifest InspectorReview web-app names, start URLs, scopes, icons and display settings with resolved paths.
Developer & DataWeb Asset Duplicate Content FinderHash selected site files; identify identical assets under different names.
Passwords & GeneratorsWeb Crypto Key Pair GeneratorCreate exportable test signing keys as public and private JWK files in one JSON bundle.
Developer & DataWeb Font Converter & SubsetterConvert TTF, OTF, WOFF and WOFF2 locally, create basic Latin TrueType subsets, preview real output and export font/CSS packs.
Developer & DataWeb Manifest Installability ReviewExtend static manifest checks with supplied browser evidence and offline test records.
Developer & DataWeb Page Energy Proxy ExplorerCompare transfer and processing measurements using explicit assumptions, not measured emissions.
Developer & DataWeb Performance Budget Rule BuilderSet budgets by route and asset type; evaluate imported measurements.
Developer & DataWeb Publishing Readiness BoardCombine editorial, metadata and link checks into per-page release decisions.
Developer & DataWeb Resource MIME Consistency AuditCompare filename, signature and declared content type in imported manifests.
Developer & DataWeb Traffic Bandwidth BudgetEstimate transfer volume from page weight, visits and cache savings.
Developer & DataWeb Worker Workload Split PlannerProfile supplied task timings; compare batching overhead and cancellation boundaries.
Audio & VideoWebcam RecorderRecord camera clips with optional microphone, pause and resume, playback and local export.
Passwords & GeneratorsWebhook Fixture GeneratorBuild synthetic event payloads for testing webhook handlers without sending any requests.
Developer & DataWebhook Signature Fixture LabGenerate synthetic signed fixtures with user-chosen test secrets; verify local examples.
Developer & DataWebsite Content Inventory AuditorMerge crawl metadata and editorial status; find stale, thin or ownerless content.
Text & WritingWebsite Localization WorkbenchFull workspaceReview and edit JSON, CSV, PO and plain-text XLIFF translations. Find missing strings and placeholder mismatches, compare languages and export…
Text & WritingWebsite Migration & Redirect PlannerPlan a website move with old and new URL inventories, suggested page matches, manual redirect approvals, loop and chain checks, page metadata…
Developer & DataWebsite Orphan Page FinderCompare crawl links, sitemap and page lists; identify unlinked candidate pages.
Developer & DataWebSocket Conversation ReplayPlay uploaded message traces locally; annotate sequences; export test cases.
Developer & DataWebSocket Message Traffic PlannerEstimate payload bandwidth for a fixed client and message rate.
Audio & VideoWebVTT Notes & Metadata EditorInspect WebVTT cues, identifiers, styles and notes, replace comment blocks and export the edited text track without rendering untrusted markup.
Everyday CalculatorsWeekly Schedule PlannerCreate a recurring weekly plan, edit activities and detect overlapping times. Export a printable landscape schedule or an editable JSON project.
Everyday CalculatorsWeekly Timesheet CalculatorTotal work shifts and unpaid breaks, including overnight shifts, and estimate gross pay.
Everyday CalculatorsWeighted Decision MatrixCompare 2–8 choices with weighted criteria and 0–10 ratings. Inspect score contributions, test priorities and export your comparison or reusable…
Developer & DataWeighted Quantile ExplorerCompare weighted percentile definitions with exact settings, weight evidence and an unweighted reference.
Passwords & GeneratorsWeighted Random PickerAssign chances, draw with or without replacement and replay the exact sequence using a seed. Review initial odds and export every draw.
Everyday CalculatorsWeighted Share AllocatorAllocate a fixed number of whole units among weighted labels using largest remainders and deterministic ties.
Developer & DataWhite Balance Reference MatcherSelect neutral reference regions; compare corrections across a shoot; export matched images.
Images & DesignWhiteboardFull workspaceBrainstorm on a free infinite online whiteboard: sticky notes, pen and highlighter, shapes with connected arrows, text, images and frames, plus…
Everyday CalculatorsWholesale Price & Margin WorkbenchCompare product economics across direct and wholesale channels, including retailer margin and order-size break-even.
Everyday CalculatorsWi-Fi Channel Overlap AnalyzerEnter nearby 2.4 GHz networks manually and compare channel overlap with signal-weighted scores for channels 1, 6 and 11.
Text & WritingWord & Phrase Frequency AnalyzerFind repeated words and phrases in text, inspect counts and percentages, exclude chosen words and export a ranked report locally.
Text & WritingWord CounterFree online word counter that gives you live word, character, sentence, and paragraph stats. Includes advanced tools like compression, filters,…
Text & WritingWord Document BuilderFull workspaceCreate editable Word documents locally with report, letter, resume and meeting templates. Preview headings, lists and tables, choose page settings…
Text & WritingWord List Cleaner & AuditClean a custom vocabulary or word list with Unicode normalization, duplicate removal, length rules and an exportable audit of every row.
Text & WritingWord Order & Sort WorkbenchExtract word-like tokens and sort by spelling or grapheme length, reverse order or remove duplicates with source offsets.
Text & WritingWord Position MapperLocate selected word tokens in text with token numbers, line numbers and UTF-16 character offsets.
Text & WritingWord Search Puzzle MakerCreate a printable word-search puzzle from your own words, with a separate answer key.
Everyday CalculatorsWords to Numbers ConverterConvert English number words into exact digits, including negative values, decimals and large scales. Batch-convert lines and review errors…
Text & WritingWorkbook Accessibility ReviewReview sheet names, table headers, merged ranges and drawing descriptions with concrete evidence.
Text & WritingWorkbook Change Log CompilerCompile dated workbook differences with reviewer decisions and source fingerprints.
Text & WritingWorkbook Chart Source AuditorTrace chart series to stored worksheet ranges and compare simple caches.
Text & WritingWorkbook Defined Name Conflict CheckerFind duplicate scopes, shadowed names and broken references before combining workbooks.
Text & WritingWorkbook Named Range ManagerReview scoped names and repair explicit broken A1 references without rebuilding the workbook.
Text & WritingWorkbook Object InventoryMap charts, drawings, tables and media parts with encoded sizes and relationship evidence.
Text & WritingWorkbook Personal Information CleanerReview author, organization and custom metadata before removing selected values.
Text & WritingWorkbook Print Area DesignerSet clear print ranges, repeated header rows and manual breaks on selected worksheets.
Text & WritingWorkbook Sheet Consolidation MapperMap equivalent columns across sheets into a clean table with source-row provenance.
Text & WritingWorkbook Translation ExtractorCollect worksheet labels and comments, then reinsert reviewed translations without touching formulas.
Passwords & GeneratorsWorkshop Icebreaker GeneratorCreate low-pressure introductions with a prompt, sharing format and time limit.
Everyday CalculatorsWorkshop Supply Station PlannerSeparate reusable station equipment from consumable supplies, account for repeated rounds and round purchases to pack sizes.
Everyday CalculatorsWorld ClockView the current time in multiple cities with IANA time-zone labels and UTC offsets.
Text & WritingWould You Rather GeneratorPlay free Would You Rather with 80 original questions, eight packs, local group voting, saved favorites, daily picks and custom printable question…
Everyday CalculatorsWrapping Paper Cut PlannerPlan a wrapping-paper rectangle for a rectangular gift box.
Developer & DataWSDL Service Outline ViewerBrowse supplied bindings and operations; export request skeletons with limitations.
Text & WritingXLIFF Translation Review EditorEdit supported units and states; preserve placeholders; export validated XLIFF copies.
Developer & DataXML Formatter & ValidatorCheck well-formed XML and format element-only content with two or four spaces. Preserve mixed text and xml:space blocks without executing XML content.
Developer & DataXML Namespace Mapping WorkbenchReplace confusing XML prefixes by namespace URI while preserving names, attributes and qualified-value meaning.
Developer & DataXML News Sitemap BuilderValidate user-entered publication metadata and dates; export a scoped news sitemap.
Text & WritingXML String List ConverterConvert text lines into escaped XML items and import a strict XML string list into JSON while preserving empty items and decoded special characters.
Everyday CalculatorsYarn Length EstimatorEstimate yarn demand from a sample’s measured use and finished area.
Images & DesignYarn Stash Project MatcherReserve entered yarn lengths for project requests using compatibility labels, then see remaining stash and unmet requirements.
Everyday CalculatorsZ-Score CalculatorExpress a measurement as standard deviations from the mean.
Text & WritingZalgo Text Generator & CleanerCreate distorted glitch text with adjustable combining marks above, below and through letters. Compare the result, copy it or remove the basic…
Images & DesignZine Folio & Signature MapperMap a small booklet’s reading pages to saddle-stitch sheet sides, including chapter ranges, signature boundaries and blank padding.
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- StudioSeamless Texture GeneratorGenerate seamless, tileable textures – bricks, stone, cobble, tiles, wood, grass, sand, water, lava, metal, sci-fi, fabric, scales and crystals –…
- StudioPlanet GeneratorGenerate rotating pixel-art planets as sprite sheets: terran, ocean, desert, ice, lava, gas giants, moons, toxic, forest, crystal worlds and…
- StudioGame UI Kit GeneratorGenerate a matching game interface from one theme: buttons in four states, 9-slice panels, dialogs, cards, slots, bars, text fields, dropdowns,…
- StudioParticle & VFX GeneratorGenerate 216 fire, explosion, magic, impact, weather, reward and sci-fi effects as sprite sheets. Tune layered particles – shape, motion, colors,…
- StudioTitle & Logo StudioCreate styled titles, company wordmarks, name logos and badges from text. Customize 54 styles and 32 text effects like chrome, gold, holographic,…
- StudioTileset CreatorMake your own top-down pixel-art tileset: seamless ground with variants, blob-47 autotiles, a hand-placed hill kit, houses and props. Paint a…
- StudioMusic Creator StudioGenerate instrumental game and video music with 1,080 recipes across 25 collections, tempo and mood controls, a four-part mixer, WAV and MP3…
- StudioCross-Stitch Pattern MakerCreate cross-stitch patterns from photos or a blank chart. Paint, fill, merge thread colors, preview stitches and export printable PDF charts,…
- StudioGame Sound Effects StudioPreview and download 144 synthesized game and UI sounds as WAV or MP3. Get 14 ready-made ZIP packs or customize effects with a sound designer and…
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