Open · .ods

Open an ODS File Without LibreOffice

Got an .ods spreadsheet and no LibreOffice? Open it in your browser with the formulas intact, edit it, and save it back as ODS — or as XLSX, CSV or PDF. Nothing uploaded.

How it works

1. Click Open your ODS to launch the editor in your browser.
2. Pick the .ods file from your device, or drag and drop it onto the page.
3. Edit cells and watch formulas recalculate — it is a live spreadsheet engine.
4. Save it back as ODS, or export as XLSX, CSV or PDF.

ODS is the OpenDocument Spreadsheet format, what LibreOffice Calc and OpenOffice save by default. It is an open ISO standard, and it turns up whenever data comes out of an organisation that standardised on open formats — councils, universities, public data portals.

The OnlyOffice spreadsheet engine, compiled to WebAssembly, opens ODS as a live calculation engine rather than a static table: formulas recalculate as you edit, number formats and cell styling survive, and workbooks with several sheets open with all their tabs. Save it back as ODS to stay in the open format, or export to XLSX for someone on Excel, CSV for a data pipeline, or PDF for a fixed copy.

The file is read straight from disk into the browser tab, so nothing is uploaded — which is the point when the spreadsheet holds a budget, a member list or a data export you would rather not put through a third-party converter.

Frequently asked questions