XLSX to ODS
Convert XLSX files to ODS in seconds, for free. Nothing to install.
Files are deleted from the server automatically after 1 h.
Why convert XLSX to ODS?
- ODS is a free open standard — it opens in LibreOffice without paid software.
- Convert in a few seconds right in your browser, without installing software.
You don't need to install any software to convert XLSX to ODS. Upload your file, choose ODS and download the result a few seconds later. The conversion runs on our servers and your file is deleted automatically after 1 h.
XLSX vs ODS: comparison
| Feature | XLSXMicrosoft Excel Open XML Workbook | ODSOpenDocument Spreadsheet |
|---|---|---|
| Developer | Microsoft | OASIS (OpenDocument) |
| Released | 2007 | 2005 |
| Type | spreadsheet | spreadsheet |
| Editable content | ✓ yes | ✓ yes |
| Opens with | Microsoft Excel, LibreOffice Calc, Google Sheets | LibreOffice Calc, Google Sheets, Microsoft Excel |
Tip: CSV files are saved as UTF-8, so non-Latin characters display correctly.
How it works
- Choose or drop your XLSX file.
- Pick ODS as the output format.
- Click “Convert” and download your file.
XLSX to ODS: questions and answers
Will quality be lost when converting XLSX to ODS?
Text, tables and images are kept. Very complex layouts or rare fonts may shift slightly.
How long does XLSX to ODS conversion take?
Usually 1–10 seconds. Several files are processed in parallel.
What is the maximum XLSX file size?
Up to 50 MB per file and up to 20 files at once — for free.
Can I convert XLSX to ODS on my phone?
Yes. TezConvert works in any browser on Android and iPhone — no app needed.
How do I open a ODS file?
ODS files open in: LibreOffice Calc, Google Sheets, Microsoft Excel.
Are my files safe?
Files are used only for the conversion, never shown to anyone, and deleted automatically after 1 h. The original is deleted right after conversion.
⇄ Need the opposite? Convert ODS to XLSX →