Excel to CSV Converter.

Convert Excel (.xlsx, .xls) files to CSV in your browser. Browser-only, no upload required.

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Drop an Excel file (.xlsx, .xls) here or click to browse

How to use

Drop an Excel (.xlsx or .xls) file onto the upload area.

The first sheet is converted to CSV automatically.

Click Copy or Download to save the result.

Which Excel formats are supported?

.xlsx (Excel 2007+) and .xls (Excel 97–2003) are both supported via SheetJS. .ods and Google Sheets exports are not currently supported.

Only the first sheet is converted?

Yes. The first sheet in the workbook is used. Multi-sheet support is not available in this tool.

Is my file uploaded?

No. SheetJS runs entirely in your browser. Your Excel file is never sent to any server.

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