Convert Excel to CSV

Excel saves one sheet at a time as CSV. This page opens the converter with CSV output and all sheets on, so every sheet of a workbook becomes its own CSV file in one step.

Runs on your device

More options in the full CSV, Excel and JSON converter.

Loading tool…

How to convert Excel to CSV

Choose the workbook files.
Keep Output format on CSV and Workbooks: convert all sheets ticked.
Select Convert.
Download the CSV files, or all of them as a ZIP.

Worked example

The sample workbook.xlsx with the sheets Revenue and Team becomes workbook-Revenue.csv and workbook-Team.csv; the Team file starts Name,Joined,Active and then Ann,2026-03-04,TRUE.

Formats and limits

Input	XLSX, XLSM, XLS, ODS
Output	CSV
Limits	Up to 100 MB.
Engine	SheetJS Community Edition + Papa Parse; dot-path flattening for nested JSON

Limitations

Formulas, formatting, charts and images are not part of CSV.
Password-protected workbooks cannot be opened.
Up to 100 MB per file.

Questions

Does it convert every sheet?

Yes, with Workbooks: convert all sheets ticked, which this page does for you. Untick it to pick a single sheet per file.

How are dates written?

As ISO dates such as 2026-03-04, which sort correctly and read the same in every locale.

Are formulas kept?

No. CSV holds values only, so each cell's calculated value is written.

Privacy

Runs on your device. Files and text are processed in this browser tab and are not uploaded.

This page opens the CSV, Excel and JSON converter ready for this task. See the privacy policy for how toolsdocks handles data.