ODS to XLSX Converter
Convert an OpenDocument Spreadsheet (ODS) to Microsoft Excel (XLSX).
Complete the security check to begin
About Converting ODS to XLSX
ODS is the open spreadsheet format of LibreOffice Calc, supporting formulas, charts and multiple sheets. It is frequently converted to XLSX for Excel users. When you need to move away from ODS, the usual reason is simple: imperfect excel compatibility.
Converting your ODS spreadsheet to XLSX solves that. 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. In practice you gain formulas, charts and multiple sheets and open xml standard. PrivConvert runs the whole ODS-to-XLSX conversion in server memory and deletes your file the instant the XLSX is ready — nothing is stored, logged or reused.
When this conversion helps
- You need formulas, charts and multiple sheets
- You need open XML standard
- You need compact and robust
- Sharing a ODS spreadsheet with someone whose software expects XLSX
Tips for best results
- After converting, open the XLSX 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 ODS files at once; each is processed privately and deleted immediately.
How to Convert ODS to XLSX Online
Here is how a ODS → XLSX conversion works on PrivConvert, from start to finish. What you gain with XLSX: formulas, charts and multiple sheets.
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 ODS to XLSX 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.
Private by design, not as an afterthought
Most online converters upload your files to a server, keep them for days, and may mine them for AI training or resale. PrivConvert was built the opposite way — around your privacy.
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.
We never keep a copy. Once your XLSX is delivered, both the original and the result are gone — there is nothing left to leak or misuse.
Every conversion runs in its own locked-down process with no network access, so files can never leak or interfere with one another.
ODS vs XLSX - Format Comparison
| Feature | ODS | XLSX |
|---|---|---|
| File extension | .ods | .xlsx |
| Full name | OpenDocument Spreadsheet | Office Open XML 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 | |
Why people pick PrivConvert for XLSX
Thousands of people trust PrivConvert with their files because privacy here is structural — enforced by how the service runs, not just promised.