Files tool
Spreadsheet to CSV Converter
Choose an XLSX file and worksheet, or paste CSV data to preview and download it.
Runs in your browser. No upload.
Convert one worksheet from XLSX to CSV, or open a CSV and export an XLSX workbook.
Works in your browser. Your files stay on your device.
About this tool
Spreadsheet to CSV Converter made simple.
CSV contains one plain-text table, so formatting, formulas, multiple sheets, charts and workbook features are not preserved. Formulas are never executed. Keep a copy of your original workbook.
Common questions
About Spreadsheet to CSV Converter.
Can I convert an Excel XLSX file to CSV?
Yes. Choose a worksheet, preview its cell values and download that sheet as CSV.
Does CSV keep formulas, formatting and multiple sheets?
No. CSV is plain text for one table. Formatting, formulas, charts and other sheets are not preserved; formulas are never run.