XLSX → CSV
Turns an Excel workbook into CSV: the first sheet or every sheet as its own file. Values as stored — no rounding from cell formats — and dates as ISO.
- In
- XLSX
- Out
- CSV
Files are processed in this tab and are not uploaded anywhere.
Related
Questions
Why does Excel show my CSV in one column?
In many locales Excel expects a semicolon. Choose "Semicolon" — and turn on BOM so Excel reads the letters as UTF-8.
Are formulas kept?
The last calculated value of each formula is written; CSV has no formulas.