Cell values are exported — the result of formulas, not the formulas themselves.

Are number formats preserved?

Numbers export as raw values (no thousand separators or currency symbols). Use the JSON exporter if you need typed values.

XLSX to CSV

Convert any Excel sheet to CSV — pick a delimiter, pick a sheet, or zip all sheets at once. Runs in your browser, no upload.

Drag a .xlsx or .xls file here or browse

Supports XLSX, XLS, ODS — picks each sheet separately.

CSV output

How to use XLSX to CSV

Drop a spreadsheet file or click browse.
Pick the sheet and delimiter.
Copy the CSV or download as .csv (or download all sheets as .zip).

What is XLSX to CSV?

Loads .xlsx, .xls, and .ods spreadsheets via SheetJS in the browser. You can pick which sheet to export, choose the CSV delimiter (comma/semicolon/tab/pipe), and either download one sheet or bundle every sheet into a single ZIP.

FAQ

What about formulas?: Cell values are exported — the result of formulas, not the formulas themselves.
Are number formats preserved?: Numbers export as raw values (no thousand separators or currency symbols). Use the JSON exporter if you need typed values.

Related tools

XLSX to JSON
CSV to XLSX
CSV Viewer