WorkbenchA useful little toolbox.

Excel → ODS

Convert an XLSX workbook into an OpenDocument spreadsheet.

Processed on your device. No file upload.
Choose a file to get started

Drop it here, or use the file picker.

How to use this tool

  1. Choose your file or try the example.
  2. Run the tool and check the result.
  3. Save the result where a download is available.

Supported features & limits

Converts all worksheets with SheetJS. Complex formulas, charts, macros, formatting and external links may not survive. Review the result in LibreOffice. Maximum 10 MB.

What happens to my files?

Your browser reads the file locally. File contents are not sent to our server. Closing or resetting this page clears the working result. Downloaded copies remain on your device.

Maintained by Roman Zmazhenko. Updated 1 November 2026.