Excel to CSV
Convert Excel to CSV for free in your browser. Batch conversion, no sign-up, and your files are never uploaded.
🔒 Your files are processed on your device and never uploaded.
Frequently asked questions
How do I convert my files?
Choose or drop your files, adjust the options if you like, then press “Convert” and download the result.
Are my files uploaded to a server?
No. The conversion runs entirely in your browser, so your files never leave your device — safe for private photos and documents.
Is there a file size limit?
There is no fixed limit. Very large files (hundreds of MB) depend on your device's memory and can be slow on phones.
Is it free?
Yes — free and unlimited, with no sign-up and no watermark.
About the formats
Excel
Excel files (XLSX and the older XLS) are spreadsheets made with Microsoft Excel, Google Sheets or LibreOffice. They can hold several sheets, formatting and formulas.
CSV
CSV is a plain-text table: one row per line, with the values separated by commas or semicolons. Every spreadsheet, database and programming language can read it.