ODS to XLSX converter
Convert ODS files to XLSX with TLS uploads and automatic deletion. Microsoft Excel's XML-based spreadsheet format.
Drop a ODS file, or click to browse
Converts to XLSX · runs live, right now
How it works
Drop your file
Drag a ODS file in, or click to browse. No account needed to try it.
We convert it
Secure upload, converted to XLSX in our sheet pipeline.
Download the result
Grab your XLSX file immediately, or find it later in your dashboard.
Why convert ODS to XLSX?
Both ODS and XLSX use lossless compression, so the conversion mainly changes compatibility, not quality. The main reason to convert ODS to XLSX is compatibility: XLSX opens cleanly in Excel, Google Sheets and most spreadsheet tools, while ODS doesn't always. If you're sharing a file with someone else, sending it to a tool that expects a specific format, or archiving it for the long term, XLSX is usually the safer target.
Format comparison
| ODS | XLSX | |
|---|---|---|
| Extension | .ods | .xlsx |
| MIME type | application/vnd.oasis.opendocument.spreadsheet | application/vnd.openxmlformats-officedocument.spreadsheetml.sheet |
| Compression | lossless compression | lossless compression |
| Category | spreadsheet | spreadsheet |
Common reasons to convert ODS to XLSX
- Importing data into a tool or script that only reads XLSX
- Sharing a spreadsheet with someone who doesn't have ODS's original app
- Standardizing on one format so every file behaves the same way in your workflow
Your file, handled carefully
Uploads use TLS in transit and AES-256 SSE-S3 at rest in production (when the production S3 credential gate is enabled), are processed in an isolated job, and deleted on the schedule you choose — as fast as immediately. We don't index, search, or share files between accounts. Read the full security model →
Frequently asked questions
Is converting ODS to XLSX free?
Yes — the Free plan includes 50 conversions every month, including ODS to XLSX. Paid plans raise that limit.
Will I lose quality converting ODS to XLSX?
XLSX is microsoft excel's xml-based spreadsheet format. We use the highest-quality encoder settings by default so visual or data loss is minimized.
Do you keep a copy of my file?
Files are deleted automatically based on your plan's retention options. Free accounts can keep results for 1h or 24h; Pro and above add options such as delete-immediately and 7 days.
What is ODS?
OpenDocument spreadsheet format.
What happens if a conversion fails?
You get a clear error message and the job is marked failed in your history — we never silently drop a file. Retry is one click. Monthly quotas count attempts (including failures) because processing starts as soon as the job is created.