Convert XLS to ODS
Convert XLS to ODS online for free. No signup required. Your files upload over an encrypted connection and are deleted after 2 hours.
Free
no account needed
Frankfurt
stored in the EU
2 hours
then files are deleted
New conversion
Any format in, the right format out
Drag and drop your files here, or import from:
Upload files up to 100 MB in XLS
How to convert XLS to ODS
Everything happens on this page, in any modern browser, with nothing to install.
Upload your XLS file
Drag and drop your XLS file or browse from your device, Google Drive, Dropbox, or OneDrive.
Convert to ODS
Press Convert. To convert several XLS files at once, add them all first.
Download your ODS
Most files are ready in seconds.
What you get when you convert XLS to ODS
Each XLS file you add comes back as its own download, under its original name.
- 01
With several results, Download all saves them all with one click.
- 02
If one file in a batch fails, the others still finish, and the result says what went wrong.
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Your ODS file converts on to Excel, CSV and PDF here.
What XLS and ODS files are
XLS
XLS is the legacy Microsoft Excel 97-2003 workbook format. It stores spreadsheets with formulas, charts, and formatting in the classic binary BIFF structure that predates XLSX.
ODS
ODS (Open Document Spreadsheet) is an open-standard spreadsheet format used by LibreOffice Calc and OpenOffice. It supports formulas, charts, and data analysis features with full formatting capabilities.
Convert your XLS files to other formats
Choose a target format below to convert your XLS files quickly and easily.
XLS to CSV
Convert XLS files to CSV format.XLS to PNG
PNG is an image format that supports lossless compression and transparency.XLS to JPG
JPG is a commonly used image format that uses lossy compression.XLS to PDF
Convert XLS files to PDF format.XLS to Markdown
Convert XLS files to Markdown format.
Convert other files to ODS
Select a source format below to convert files to ODS.
Frequently asked questions
Still have questions? Contact support.
Is it free to convert XLS to ODS?
Yes, converting XLS to ODS is completely free. You can convert files up to 100 MB and up to 10 files per batch, and no signup or account is required.
Will converting XLS to ODS affect the quality?
Our converter preserves the original quality of your XLS files during the conversion to ODS. The output maintains formatting, layout, and visual fidelity as closely as possible.
Can I convert multiple XLS files to ODS at once?
Yes. You can convert up to 10 XLS files to ODS in a single batch. Drag and drop all the files at once, and Novitora processes them together.
Is my data safe when converting XLS to ODS?
Your files upload to Novitora servers over an encrypted TLS connection and are automatically deleted 2 hours after upload. Data is stored in the EU (Frankfurt), and we follow SOC 2-aligned security practices.
What devices can I use to convert XLS to ODS?
Novitora works in any modern web browser on desktops, laptops, tablets, and phones. There is nothing to install: open the page, upload your XLS file, and download the ODS.