Back to all tools
Convert XLS to ODS
Convert XLS to ODS format — 100% browser-based, no upload required.
2 cores · low tier
Drop a file here or click to select
Format will be auto-detected
About these formats
Source
XLS
Microsoft Excel 97-2003Legacy Excel binary format. Limited to 65,536 rows and 256 columns, replaced by XLSX.
Best for
Legacy spreadsheet compatibilityOlder systems
Advantages
- + Legacy compatibility
- + Simple format
Limitations
- − Row/column limits
- − Outdated
- − No modern features
Target
ODS
Open Document SpreadsheetOpen-source spreadsheet format used by LibreOffice Calc. Compatible with most spreadsheet applications.
Best for
Open-source workflowsLibreOffice CalcGovernment data
Advantages
- + Open standard
- + Free software
- + Vendor neutral
Limitations
- − Compatibility issues with Excel
- − Less popular