Spreadsheets in any format you need. Batch convert Excel files to CSV and CSV files back to Excel. Preview contents; multi-sheet workbooks split into separate CSV files.
How it works: Upload files → Preview → Convert → Download
Convert Excel files to CSV format and CSV files back to Excel. Multiple sheets are automatically split into separate CSV files. All processing happens in your browser.
Your Excel files have been converted to CSV format. Multiple sheets are split into separate CSV files.
📥 Download CSV Files