Free · No signup · Private — runs in your browser

XLS to CSV

Export an old-format .xls workbook to a clean .csv file in seconds — handy for imports and tools that only read CSV. The conversion runs entirely in your browser.

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Drop your .xls file here or click to browse

Converted on your device — nothing is uploaded.

One file is free — drag in several to batch-convert with Pro.

Need to edit, not just convert? Open the full Gridoly editor →

How it works

1Add your .xls fileDrag a legacy .xls file onto the box, or click to choose one.

2We convert itThe first sheet is read and written out as comma-separated values.

3Download CSVDownload your .csv — ready for imports, scripts or any data tool.

Frequently asked questions

Does it support the old .xls format?

Yes — legacy .xls (BIFF) workbooks are read and converted just like modern files.

Which sheet is exported?

The first sheet. To pick another, open the file in the full Gridoly editor.

Is my file uploaded?

No. Conversion happens entirely in your browser.

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