Convert XLSX to CSV, free
The conversion happens in your browser, so your file never leaves your device. No sign-up, no watermark, no limit.
Each sheet becomes its own CSV file (several sheets come as a ZIP).
File won't open at all? Check a damaged Excel workbook for free.
Drop a .xlsx file here
Or choose a file from your device.
How to convert XLSX to CSV
- Drop your .xlsx file in the box above, or choose it from your device.
- Your browser converts it straight away. Nothing is uploaded.
- Click Download to save the .csv file.