Free Online Converter
Convert XLSX to ODS
Free online Microsoft Excel Spreadsheet to OpenDocument Spreadsheet converter. Fast, secure processing directly in your browser.
How to Convert XLSX to ODS
- Click or drag your XLSX file into the upload area above
- Wait for the file to be loaded (happens instantly in your browser)
- Click the "Convert File" button
- Your processed ODS file will automatically download
Why Convert XLSX to ODS?
Convert between spreadsheet formats easily. Export Excel files to CSV for database imports, convert to JSON for web applications, or create Excel files from your data. All processing happens in your browser.
Key Features
100% FreeNo subscription, no hidden fees, no limits
Privacy FirstFiles never leave your device
Fast ProcessingInstant browser-based conversion
No InstallationWorks directly in your browser
High QualityMaintains quality during conversion
SecureClient-side processing only
About XLSX and ODS Formats
XLSX (Microsoft Excel Spreadsheet)
XLSX is the modern Microsoft Excel format supporting multiple sheets, formulas, charts, and advanced features.
ODS (OpenDocument Spreadsheet)
ODS is the OpenDocument Spreadsheet format used by LibreOffice and other open-source applications.