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Convert XLSX to ODS

Convert XLSX 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 XLSX

How to convert XLSX to ODS

Everything happens on this page, in any modern browser, with nothing to install.

  1. Upload your XLSX file

    Drag and drop your XLSX file or browse from your device, Google Drive, Dropbox, or OneDrive.

  2. Convert to ODS

    Press Convert. To convert several XLSX files at once, add them all first.

  3. Download your ODS

    Most files are ready in seconds.

What you get when you convert XLSX to ODS

Each XLSX file you add comes back as its own download, under its original name.

  1. 01

    With several results, Download all saves them all with one click.

  2. 02

    If one file in a batch fails, the others still finish, and the result says what went wrong.

  3. 03

    Your ODS file converts on to CSV and PDF here.

What XLSX and ODS files are

XLSX

XLSX is the default Microsoft Excel workbook format since Excel 2007. It stores sheets, formulas, charts and formatting in a compressed XML package and is read by Excel, Google Sheets, Numbers and LibreOffice.

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.

Frequently asked questions

Still have questions? Contact support.

Is it free to convert XLSX to ODS?

Yes, converting XLSX 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 XLSX to ODS affect the quality?

Our converter preserves the original quality of your XLSX files during the conversion to ODS. The output maintains formatting, layout, and visual fidelity as closely as possible.

Can I convert multiple XLSX files to ODS at once?

Yes. You can convert up to 10 XLSX 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 XLSX 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 XLSX 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 XLSX file, and download the ODS.