Excel: All Sheets to CSV
Export every sheet of a workbook as its own CSV.
Your files are processed locally in your browser and never uploaded.
How it works
- 1Choose a file or drop it onto the box.
- 2Set the options you want.
- 3Click the button — the result downloads automatically.
About this tool
Excel: All Sheets to CSV: Export every sheet of a workbook as its own CSV. Choose a file, adjust the options and download the result — the processing runs entirely in your browser, so your file is never uploaded to a server. No sign-up, no watermark.
How do I use the Excel: All Sheets to CSV?
Choose a file or drop it onto the box. Set the options you want. Click the button — the result downloads automatically.
Is the Excel: All Sheets to CSV free?
Yes. It is completely free with no sign-up, no usage limits and no watermark.
Are my files uploaded?
No. The file is processed entirely in your browser using WebAssembly and web APIs — it never leaves your device, which also makes it work offline once the page is loaded.
Does it work on my phone?
Yes. It works in any modern browser on Android, iPhone, iPad, Windows, Mac and Linux — no app needed.