Convert XLSX to ODS Online
Need ODS instead of XLSX? This free converter changes XLSX files into ODS in seconds, right in your browser.
How to convert XLSX to ODS
- Upload your XLSX file. Drag it onto the box above or click to browse. Files up to 200 MB are accepted.
- Choose ODS as the output. The target format is pre-selected on this page — just press “Convert now”.
- Download the result. Conversion runs on our own server and the download starts as soon as it is ready. Your files are deleted automatically.
Why convert XLSX to ODS?
People convert XLSX to ODS mainly for compatibility. Supported by Excel, Google Sheets and LibreOffice. ODS, by contrast, is built for LibreOffice spreadsheets, open data, and supported by LibreOffice and modern Excel.
XLSX vs ODS: key differences
| XLSX | ODS | |
|---|---|---|
| File type | editable | open editable |
| Typical use | data analysis, budgets, reporting | LibreOffice spreadsheets, open data |
| Compatibility | Supported by Excel, Google Sheets and LibreOffice. | Supported by LibreOffice and modern Excel. |
Tips for a clean XLSX to ODS conversion
- Supported by Excel, Google Sheets and LibreOffice.
- Use the highest-quality source XLSX you have — converting a compressed file again cannot restore lost detail.
- If you only need a smaller file, try a lower resolution or bitrate instead of a different format.
- Keep the original XLSX until you have checked the converted ODS opens the way you expect.
Frequently asked questions
How do I convert XLSX to ODS?
Upload your XLSX file to the converter on this page, make sure ODS is selected as the output format and click “Convert now”. When the conversion finishes the download starts automatically.
Is this XLSX to ODS converter free?
Yes — it is completely free and needs no account. Files up to 200 MB are accepted, and heavy use is rate-limited so the service stays available for everyone.
Will converting XLSX to ODS reduce quality?
Because both formats preserve the original data, converting back and forth does not degrade quality.
What is a XLSX file?
XLSX is the modern Excel workbook format. Its technical name is Office Open XML Spreadsheet and it is typically used for data analysis, budgets, reporting.
What is a ODS file?
ODS is the open-source spreadsheet format. Its technical name is OpenDocument Spreadsheet and it is typically used for LibreOffice spreadsheets, open data.
Can I convert XLSX to ODS on my phone?
Yes. The converter runs in the browser on Android, iOS, Windows, macOS and Linux — no app installation is required.
Are my files kept on the server?
No. Uploaded files and converted results are deleted automatically a short time after the conversion finishes.