Convert XLS to ODS

Free Excel to OpenDocument Format Converter

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Free user files are automatically deleted after 24 hours

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We never access your files except for automated conversion processing

Transform your Microsoft Excel XLS files to OpenDocument Spreadsheet (ODS) format with our fast, secure converter. ODS is an open-source file format that works across multiple spreadsheet applications including LibreOffice Calc, OpenOffice, and other office suites. This conversion ensures your spreadsheets are accessible in open-source environments while preserving formulas, formatting, and data integrity.

How to convert XLS to ODS

Upload your Excel XLS file by clicking the upload button or dragging and dropping

Our system will automatically process and convert your spreadsheet

Preview the converted ODS file to verify content and formatting

Download your OpenDocument Spreadsheet file to your device

Benefits of converting XLS to ODS

Open-source compatibility with LibreOffice, OpenOffice and other free office suites

Preservation of cell formulas, formatting, and data relationships

No software installation required - convert directly in your browser

Enhanced long-term accessibility as ODS is an open standard format

Smaller file sizes compared to proprietary formats