Excel to CSV Converter
Convert Excel files to CSV online, free and private. Files are processed in your browser and never uploaded.
Drop your files here
Drag & drop files here, or browse files
xlsx · xlsMaximum file size: 50 MB
Processed in your browser — never uploaded.
Technical Specifications
Input FormatExcel (.xlsx, .xls)
Output FormatComma-Separated Values (.csv)
Processing EngineSheetJS (In-Browser)
Privacy Protection100% In-Browser · Never uploaded
Convert Microsoft Excel spreadsheets (.xlsx and .xls) into standard comma-separated values (CSV) files. Multi-sheet workbooks can be exported with the exact sheet and formatting you require.
- Import spreadsheet data into SQL databases, Pandas, or analytical tools
- Convert complex workbooks into lightweight, portable data files
- Prepare customer or product tables for platform migration
How it works
- 1
Choose or drop your file
- 2
Adjust options if needed and start processing
- 3
Download the result — everything stays on your device
Frequently asked questions
- How are multi-sheet Excel workbooks handled?
- You can choose which specific worksheet to export, or convert the active sheet into a clean, RFC-compliant CSV file.
- Does conversion keep numeric formulas or calculated values?
- The converter exports the evaluated values of formulas, ensuring numbers and text remain clean and ready for database import.
Processed in your browser — never uploaded.