How to open a .ods file: without installing anything

How to open a .ods file

A .ods is a ODS file: LibreOffice's spreadsheet format. Excel, Google Sheets, Numbers, LibreOffice Calc, any text editor open it. Or drop it below: it opens and converts in your browser, nothing to install.

Drop files here or click to chooseSeveral files at once are fine.

🔒 Nothing is uploaded. Check the Network tab of your browser: it stays empty.

Three ways to open it

Drop the .ods file above: it opens and converts right here, nothing to install.
For a desktop app: Excel, Google Sheets, Numbers, LibreOffice Calc, any text editor.
If it still will not open, convert it to CSV, that is what most people are really after.

Convert a .ods

ODS → CSV ODS → TSV ODS → XLSX ODS → XLS ODS → JSON ODS → NDJSON ODS → YAML ODS → XML

Questions

What program opens a .ods file?

Excel, Google Sheets, Numbers, LibreOffice Calc, any text editor. Or drop it here, without installing anything.

Why won't my .ods open?

Either the viewer does not know ODS (libreoffice's spreadsheet format.), or the file is damaged or misnamed. Converting to CSV fixes the first case.

Is it safe to open a .ods here?

Yes: the file is read in your browser and never leaves your device.