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Convert spreadsheet data locally between CSV, XLS, XLSX, XLSM and ODS.
20 MB input; 30 sheets; 10,000 rows, 256 columns and 200,000 cells total. CSV uses UTF-8 and exports one selected sheet. Formulas are not recalculated; CSV uses cached values and rejects missing formula results. Macros are removed and never run. Charts, styling and exact layout are not preserved. CSV text that could run as a formula is prefixed with an apostrophe.
Files stay on your device. Basic processing is free and supported by advertisements.
20 MB input; 30 sheets; 10,000 rows, 256 columns and 200,000 cells total. CSV uses UTF-8 and exports one selected sheet. Formulas are not recalculated; CSV uses cached values and rejects missing formula results. Macros are removed and never run. Charts, styling and exact layout are not preserved. CSV text that could run as a formula is prefixed with an apostrophe.