How to convert Excel to CSV
- Add one or more Excel files (.xlsx or .xlsm).
- Choose the separator, decimal mark and encoding.
- Click Convert and download your CSV files.
Importing into accounting or payroll software, uploading a list to an online platform, sharing data with a developer: CSV is still the universal format. This tool turns each sheet of your workbook into its own CSV file; with several sheets you get a ZIP.
Dates are written in ISO format (2025-03-31) and numbers without spaces or currency symbols, so they can be read back without errors. Many European and North African tools expect a semicolon separator and a decimal comma (1234,5): just set those two options. “UTF-8 for Excel (with BOM)” makes sure accents and Arabic display correctly when the CSV is reopened in Excel; pick plain “UTF-8” for technical tools.
If your import is rejected, the most common fix is to switch the separator or the decimal mark and convert again; it only takes a few seconds.
The calculated values of formulas are exported. Up to 50 files at once, 300 MB each, deleted after 30 minutes.
Frequently asked questions
How do I convert XLSX to CSV?
Drop the .xlsx file, choose the separator (comma for most programs, semicolon for Excel in Europe) and click Convert. Each sheet becomes one CSV with ISO dates and plain numbers.
What if my file has several sheets?
Each sheet becomes a CSV file and they are delivered together in a ZIP.
Comma or semicolon?
Choose semicolon if your Excel uses a decimal comma (French and many other locales); comma suits English-language tools.
Why do accents or Arabic look broken in my CSV?
Choose “UTF-8 for Excel (with BOM)” so Excel recognizes the special characters correctly.
Are formulas kept?
A CSV holds values only, so the results of the formulas are exported.
Is it free?
Yes, free with no sign-up, and your files are deleted after 30 minutes.