Nothing is uploaded
The spreadsheet is converted by your own device, inside the browser. Figures, prices and personal data never leave your computer.
All tools › Spreadsheet tools
Excel to CSV Converter
Convert Excel to CSV online in seconds, one CSV file for every sheet of the workbook. Choose comma, semicolon or tab as separator, then download the files one by one or as a .zip.
Drop files here or click to choose
XLS, XLSX, ODS · up to 10 files · max 100 MB each
Key features
Up to 10 files at once
Drop a whole batch of spreadsheets, up to 100 MB each, and download the results one by one or together as a .zip.
Fast
Most workbooks are converted in a second or two; every file shows its own progress and result.
Every sheet kept
Multi-sheet workbooks are handled sheet by sheet, with names, numbers and dates preserved as they appear in the cells.
Simple options
Excel to CSV asks only for what matters, such as the separator or the output format, and uses sensible defaults for the rest.
Free, no account, no watermark
No sign-up, no limits, nothing added to your files. A single ad keeps the site running.
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