Conversion

Convert XLSX ODS

Free online Excel spreadsheet to OpenDocument Spreadsheet converter. Near-lossless quality, processed server-side, no signup required.

Convert XLSX to ODS now
libreoffice Free tier Near-lossless ~1.5s per MB

How to convert XLSX to ODS

  1. 1

    Open the converter

    Click the button above — the workspace opens with XLSX pre-selected as your source and ODS as your target.

  2. 2

    Drop your Excel spreadsheet

    Drag and drop, or click to browse. Your file is uploaded over HTTPS and processed on our private servers — never shared with third parties.

  3. 3

    Download the OpenDocument Spreadsheet

    The result downloads automatically when conversion finishes. Powered by libreoffice — the same engine used by professional studios.

More conversions like this

Convert XLSX to other formats

XLSX CSV libreofficeXLSX PDF libreoffice

Need a different conversion?

Browse the full format compatibility matrix or explore the Convert Tools hub — every supported pair in one place.

Loading John’s Essentials