DESIGNED FOR MORE THAN ONE LANGUAGE

Localized Filename Safety Checker

Check Unicode names against chosen platform restrictions; preview safe alternatives.

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Checks selected filename restrictions and collisions, not every filesystem or archive format. Names are not changed on disk.

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Add your input or try the worked example.

Using Localized Filename Safety Checker

Check Unicode names against chosen platform restrictions; preview safe alternatives.

  1. Use Try example to explore localized filename safety checker, or enter your own filenames, one per line.
  2. Set target platform, unicode normalization. Read the field notes for supported values.
  3. Choose Review input and inspect the result, including any review flags or unsupported cases.
  4. Use the relevant download buttons to keep your result. CSV and report JSON preserve the available findings; original files are not changed.

Example

Filenames, one per line: Résumé.txt
CON.txt
report:final?.pdf
Budget .xlsx
notes.
report.txt
REPORT.txt
Target platform: Windows / portable
Unicode normalization: NFC

Questions & answers

What does Localized Filename Safety Checker do?

Check Unicode names against chosen platform restrictions; preview safe alternatives.

What input does this tool support?

Filenames, one per line. Target platform. Unicode normalization

What should I check before using the result?

Checks selected filename restrictions and collisions, not every filesystem or archive format. Names are not changed on disk.

Can I keep or share the result?

Yes. Use the result-specific downloads, CSV where available and report JSON. Downloads can contain your supplied information, so review the content before sharing. Processing runs in this browser; public pages also include the site’s approved advertising and optional analytics.

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