Excel ↔ CSV Converter

Turn Excel sheets into CSV, or CSV files into an Excel workbook — accents preserved.

Excel → CSVCSV → Excel

Drop a file here or click to browseYou can also paste with Ctrl V

How to use Excel ↔ CSV Converter

Every sheetExport one sheet or all of them as a ZIP of CSV files.
Accents safeUTF-8 with BOM so Excel opens Vietnamese and other accents correctly.
Many CSVs, one workbookDrop several CSV files to get one .xlsx with a sheet each.

Are old .xls files supported?

Only .xlsx. Open an .xls in Excel or LibreOffice and save it as .xlsx first.

Do formulas survive?

CSV stores values only — formulas are exported as their calculated results.

Is my data uploaded?

No. Files are read and written in your browser.

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