Free Excel to CSV Converter

Drop an .xlsx workbook and every sheet becomes its own downloadable CSV. Converted on your device, nothing uploaded. No signup.

How to use the Excel to CSV Converter

  1. Click to choose an .xlsx workbook, or drag it into the box.
  2. Each sheet is listed with its number of rows.
  3. Click “Download CSV” next to each sheet you need.

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Frequently asked questions

Is my spreadsheet uploaded anywhere?

No — conversion happens in your browser. Safe for financial data, client lists and exports.

What about multiple sheets?

Each sheet in the workbook becomes its own CSV file — download them individually below.

What formats are supported?

.xlsx and .xls workbooks. Formulas convert to their last calculated values.