Spreadsheet Conversion
Convert XLSX to ODS Online — Free
Fast, free XLSX to ODS converter. No registration required.
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How to Convert
1
Upload your .xlsx file by dragging it into the upload area or clicking to browse.
2
Choose your output settings. The default settings work great for most files.
3
Click Convert and download your .ods file when it's ready.
What is XLSX?
XLSX is the modern Microsoft Excel format. It's the standard for spreadsheets containing data, formulas, charts, and pivot tables.
Format Details
- Full Name
- Microsoft Excel Spreadsheet
- Extension
- .xlsx
Key Features
- Spreadsheet
- Formulas
- Charts
- Data analysis
What is ODS?
ODS is the open-standard spreadsheet format used by LibreOffice Calc. It's an ISO standard that ensures long-term data accessibility without vendor lock-in.
Format Details
- Full Name
- OpenDocument Spreadsheet
- Extension
- .ods
Key Features
- Open standard
- LibreOffice native
- Formulas
- Free software
XLSX vs ODS
| Feature | XLSX | ODS |
|---|---|---|
| Full Name | Microsoft Excel Spreadsheet | OpenDocument Spreadsheet |
| Extension | .xlsx | .ods |
| Best For | Spreadsheet | Open standard |
Frequently Asked Questions
Yes. You can convert up to 5 files per day completely free, with no watermark or registration required.
Most files convert in under 30 seconds. Larger files (over 500MB) may take 1-3 minutes.
No. Our converter uses optimized encoding settings by default to preserve the original quality.
Free users can convert files up to 100MB. Pro users can convert files up to 2GB.
Yes. Our converter works in any modern web browser on any device.