Convert XLS to ODS
Convert legacy Excel files to OpenDocument Spreadsheet format. Download the ODS result for compatible spreadsheets, applications, or structured-data workflows.
Drop your XLS files here
Up to 50MB per file.
Files are encrypted and auto-deleted after conversion
How to Convert
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Upload your XLS files
Drag and drop or select XLS files from your device. You can upload multiple files at once.
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Create the ODS document
Start the conversion to prepare your ODS file for LibreOffice, OpenOffice, and compatible office applications.
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Download ODS files
Once conversion finishes, download your files individually or as a compressed ZIP archive.
Why convert XLS to ODS?
XLS is the legacy Microsoft Excel workbook format used by older spreadsheet systems. Converting it to ODS creates the OpenDocument spreadsheet format used by LibreOffice Calc and compatible apps, ready for workflows that use the destination format.
ODS opens in LibreOffice Calc, OpenOffice Calc, and current versions of Microsoft Excel.
Frequently Asked Questions
What does converting XLS to ODS do?
It creates a genuine ODS file from your XLS. XLS is the legacy Microsoft Excel workbook format used by older spreadsheet systems, while ODS is the OpenDocument spreadsheet format used by LibreOffice Calc and compatible apps. The result is ready for workflows that use the destination format.
What is retained in the XLS to ODS conversion?
Supported text, images, tables, and document structure are carried from XLS into a genuine ODS file, ready for continued work in compatible applications.
Which apps can open the converted ODS file?
ODS opens in LibreOffice Calc, OpenOffice Calc, and current versions of Microsoft Excel.
Does XLS to ODS run in my browser?
XLS to ODS uses a compatible conversion engine on our server. The file is transferred over an encrypted connection, processed securely, and automatically deleted shortly after conversion.
Can I batch convert XLS files to ODS?
Yes. Add multiple XLS files, convert them together, and download each ODS result separately or collect the completed batch in a ZIP file.
What is the XLS to ODS file size limit?
XLS files can currently be up to 50MB.