TS Suite Prime · .xlsx
Convert Excel to CSV
Turn any sheet of an .xlsx file into CSV (UTF-8, Excel-friendly). Workbooks with several sheets can be downloaded as a ZIP.
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Drop your file hereor click to choose it · .xlsx🔒 Your files are processed on your computer. They are never uploaded to any server.
How it works
- Add your .xlsx by dropping or choosing it.
- Pick the sheet and check the preview.
- Download the CSV, or every sheet in a ZIP.
Conversion details
Formulas are exported as their result, dates as YYYY-MM-DD, and the file is saved as UTF-8 with BOM so Excel displays accents correctly.
Frequently asked questions
Which delimiter is used?
Comma (,), the CSV standard.
Are special characters kept?
Yes, the CSV is UTF-8 with BOM.