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Simplifying spreadsheets, one file at a time.

Auto Size Columns

Auto-fit column widths to match cell content across all sheets.

Drop or select an Excel file to auto-size columnsMax 20 MB per file

How it works

Upload your Excel file (.xlsx, .xls, or .xlsb).
The tool scans every cell and adjusts column widths to fit content.
Download the file with all columns properly sized.

Why use this tool

Stop manually dragging column borders. Auto-fit all columns in seconds for clean, readable spreadsheets ready to share or print.

FAQ

Does it work on all sheets?

Yes. Every sheet in the workbook gets auto-sized columns.

Is there a maximum column width?

Yes. Columns are capped at 60 characters width to prevent extremely wide columns.

Does it change my data?

No. Only column widths are adjusted. Cell values and formatting are preserved.