SMALL CHECKS, CLEARER SPREADSHEETS

Excel Column Width Proofing

Preview representative values and wrapping; flag clipped headings and identifiers.

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A clear result starts here

Add your input or try the worked example.

Using Excel Column Width Proofing

Preview representative values and wrapping; flag clipped headings and identifiers.

Use Try example to explore excel column width proofing, or enter your own table csv / json.
Set column widths csv / json, default width (px), font size (px). Read the field notes for supported values.
Choose Review input and inspect the result, including any review flags or unsupported cases.
Use the relevant download buttons to keep your result. CSV and report JSON preserve the available findings; original files are not changed.

Example

Table CSV / JSON: Identifier,Description,Amount
INV-2026-000012345,Long customer project description,12345.67
INV-02,Short note,50.00
Column widths CSV / JSON: column,width_px,wrap
Identifier,110,no
Description,150,yes
Default width (px): 130
Font size (px): 14
Browser font: Arial

Questions & answers

What does Excel Column Width Proofing do?

Preview representative values and wrapping; flag clipped headings and identifiers.

What input does this tool support?

Table CSV / JSON. Column widths CSV / JSON: Columns: column,width_px,wrap. Unlisted columns use the default.. Default width (px). Font size (px). Browser font

What should I check before using the result?

Measures browser text at explicit pixel widths. Excel width units, workbook fonts and line breaking differ; verify the final workbook independently.

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.