CSV to Excel Converter (.xlsx)

Turn a CSV (comma, semicolon or tab separated) into an Excel .xlsx file with the header row in bold and sensible column widths. Never uploaded.

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How to use it

  1. Add your inputChoose your file, then set the options.
  2. Press Run toolThe result appears right below the button.
  3. Copy or downloadUse Copy output, or the Download button for files.

This tool works inside your browser: what you enter stays on your device.

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