Convert Excel to CSV
Export a spreadsheet to CSV to import it into another app, a database or your code.
Your files are processed directly in your browser. They are never uploaded to a server.
How to convert Excel to CSV
- 1
Upload your .xlsx file.
- 2
Choose the sheet and separator.
- 3
Download or copy the CSV.
About this tool
If the workbook has several sheets you can pick which one to export. Dates become YYYY-MM-DD and formulas export their last calculated result.
The file is read in your browser; it isn't uploaded to any server.
Frequently asked questions
Does it support old .xls files?
No, only the modern .xlsx format. Open the .xls in Excel or LibreOffice and save it as .xlsx.
Are accents kept?
Yes, the CSV is saved as UTF-8 with a BOM so Excel opens it correctly.