FileTranslator › XLSX to CSV
Convert XLSX to CSV
Almost every import tool — databases, CRMs, mailing lists, pandas — wants CSV, while the data inevitably arrives as an Excel workbook.
Drop XLSX files here
or
Output is pre-set to CSV — you can change it per file after adding.
About XLSX to CSV conversion
The first sheet of your workbook is exported to standards-compliant CSV with proper quoting. Since nothing is uploaded, customer lists and financials stay on your machine.
Good to know: Multi-sheet workbooks: the first sheet is converted. Formulas are exported as their calculated values.
How to convert XLSX to CSV
- Drop your XLSX files onto the box above, or click Choose files.
- The output format is already set to CSV — adjust it per file if you need something else.
- Click Convert, then download your CSV files (or everything as one ZIP).
Free, no account, no watermarks — and because the conversion runs in your browser, your files are never uploaded to a server.
XLSX to CSV — frequently asked questions
How do I convert XLSX to CSV?
Drop your XLSX file onto the converter above (or click Choose files), make sure the output format is set to CSV — it is preselected on this page — then click Convert and download the result.
Is this XLSX to CSV converter free?
Yes. Converting XLSX to CSV on FileTranslator is completely free, with no account, no file limit and no watermarks. The site is supported by ads instead of fees.
Are my XLSX files uploaded to a server?
No. The conversion from XLSX to CSV runs entirely in your browser using WebAssembly and JavaScript — your files never leave your device, which makes it safe for private documents and photos.
What should I know before converting XLSX to CSV?
Multi-sheet workbooks: the first sheet is converted. Formulas are exported as their calculated values.