Convert Excel to CSV Online
- ✓ 100% Free
- ✓ No upload — runs in your browser
- ✓ No signup
- ✓ No ads
Free Excel to CSV converter: turn .xlsx or .xls files into CSV in your browser. Single-sheet files download directly; multi-sheet workbooks download as a ZIP with one CSV per sheet.
Drop an Excel file here or click to browse
Supports .xlsx, .xls
How to Convert Excel to CSV
- Select or drag your Excel (.xlsx or .xls) file into the upload area above.
- Click Convert to CSV. Processing happens instantly in your browser.
- If the file has one sheet, a CSV file downloads directly.
- If the file has multiple sheets, a ZIP archive downloads with one CSV per sheet.
Convert XLSX to CSV for Free
Need to convert xlsx to csv without installing anything? Drop your spreadsheet and get a clean, comma-separated file in seconds. It works with both modern .xlsx and legacy .xls workbooks, and everything runs in your browser — no upload, no signup, no size limits.
Common Use Cases
- Convert an Excel report to CSV for database import.
- Convert xlsx to csv to prepare data for Python, R, or a data pipeline.
- Export Excel sheets to CSV for use in Google Sheets.
- Convert legacy .xls files to the universal CSV format.
Frequently Asked Questions
How do I convert an Excel file to CSV?
Drop your .xlsx or .xls file above and click Convert to CSV. A single-sheet file downloads as CSV; a multi-sheet workbook downloads as a ZIP with one CSV per sheet.
Is the xlsx to CSV converter free?
Yes, completely free with no signup and no upload limits. Conversion runs in your browser, so your data stays private.
What happens with multi-sheet workbooks?
Each sheet is exported as a separate CSV file and packaged into a ZIP archive.
Are my files uploaded to a server?
No. All processing happens entirely in your browser. Your files never leave your device.