How to Use Excel to CSV
Turn any sheet of an .xlsx/.xls workbook into CSV you can copy or download — processed locally with SheetJS.
Open the Excel to CSV tool →What is Excel to CSV?
Convert Excel workbooks to CSV, one sheet at a time. It's completely free, needs no sign-up, and runs entirely in your browser — so it's fast and private.
How to use Excel to CSV
- Open the Excel to CSV tool.
- Enter your details or values.
- The result is calculated instantly.
- Copy or use the result. Everything runs in your browser — nothing is uploaded.
Frequently asked questions
Can it handle multi-sheet workbooks?
Yes — convert one sheet at a time, choosing which sheet to export to CSV.
Will formatting be preserved?
CSV is plain text, so it keeps the values but not colours, formulas or styles.
Is my file private?
Yes — it's converted in your browser; nothing is uploaded.
Ready to try it?
Open Excel to CSV →