XLSX to ODS Converter
Convert an Excel (XLSX) workbook to OpenDocument Spreadsheet (ODS).
Complete the security check to begin
About Converting XLSX to ODS
XLSX is the modern Microsoft Excel format — a ZIP of XML that stores multiple sheets, formulas, charts and formatting. It is the standard for business spreadsheets. When you need to move away from XLSX, the usual reason is simple: needs spreadsheet software to open.
Converting your XLSX spreadsheet to ODS solves that. ODS is the open spreadsheet format of LibreOffice Calc, supporting formulas, charts and multiple sheets. It is frequently converted to XLSX for Excel users. In practice you gain open iso standard and formulas and charts. PrivConvert runs the whole XLSX-to-ODS conversion in server memory and deletes your file the instant the ODS is ready — nothing is stored, logged or reused.
When this conversion helps
- You need open ISO standard
- You need formulas and charts
- You need no vendor lock-in
- Sharing a XLSX spreadsheet with someone whose software expects ODS
Tips for best results
- After converting, open the ODS and skim the formatting — complex layouts occasionally need a small touch-up.
- Files up to 250 MB are supported, and you can batch-convert several XLSX files at once; each is processed privately and deleted immediately.
How to Convert XLSX to ODS Online
Converting XLSX to ODS with PrivConvert takes three quick steps and no software to install. What you gain with ODS: open ISO standard.
Drag and drop your file into the upload area, click to browse your device, or paste a URL to a file hosted online. You can upload files up to 250 MB and batch convert up to 20 files at once.
Once uploaded, the conversion from XLSX to ODS starts automatically. The process runs entirely in an isolated environment - your data never leaves the secure pipeline.
Your converted file is ready instantly. Click the download button to save it to your device. The file is deleted from memory immediately after download.
A more private way to convert XLSX files
Plenty of sites convert XLSX files. Very few promise never to keep them — PrivConvert does, and backs it up with how the service is built.
Every upload and download is protected with TLS 1.3, so your document cannot be intercepted on the way to the server or back to you.
Convert instantly with no sign-up, no email and no profiling cookies. We never build a profile around you or the files you convert.
Runs in any modern browser on Windows, macOS, Linux, Android and iOS — no install, plugin or desktop software needed.
Each job runs in an isolated in-memory sandbox, so most conversions finish in seconds instead of waiting in a queue.
XLSX vs ODS - Format Comparison
| Feature | XLSX | ODS |
|---|---|---|
| File extension | .xlsx | .ods |
| Full name | Office Open XML Spreadsheet | OpenDocument Spreadsheet |
| Introduced | 2007 | — |
| Encoding | Binary | Binary |
| Editable | Yes | Yes |
| Open standard | Yes | Yes |
| Supported by PrivConvert | Yes (as input) | Yes (as output) |
| Privacy-safe conversion | In-memory, zero storage | |
| Max file size | 250 MB per file | |
| Batch support | Up to 20 files simultaneously | |
Built for people who value their privacy
From one-off files to daily batches, thousands of people rely on PrivConvert precisely because it keeps nothing once the job is done.