Need to open an ODS spreadsheet without installing OpenOffice or LibreOffice? Try ODS Viewer from Doconut—an instant, secure, and browser-based tool that lets you view OpenDocument Spreadsheet files with ease.

Whether you're working with financial reports, academic data, or business spreadsheets, Doconut ensures an accurate and fast viewing experience.

📄 What is an ODS File?

An ODS (OpenDocument Spreadsheet) file is the standard format for spreadsheets created in OpenOffice, LibreOffice, and other open-source office suites. Like Microsoft Excel’s XLSX format, ODS files store formulas, tables, charts, and structured data.

However, ODS files are not natively supported by all devices. That’s where ODS Viewer comes in—allowing you to view spreadsheets online without additional software.

✅ Why Choose Doconut’s ODS Viewer?

✔ No Downloads Needed – Open ODS files directly from your browser. ✔ Deleted after viewing – Your spreadsheet is removed from the server once you are done, and there is no account it could be attached to. ✔ Cross-Device Compatibility – Works on Windows, macOS, Linux, and mobile devices, because it is a web page rather than an app. ✔ Cell styles and charts render – A chart embedded in the sheet is drawn where it sits rather than left as an empty box. Formula cells show the figure they resolved to, so you can read and quote the number — what you get is the calculated result, not an editable formula bar. ✔ Completely Free – No sign-up, no tier, no expiry. Spreadsheets up to 20 MB.

🔍 How to Use ODS Viewer

Using Doconut’s online ODS Viewer is simple:

1️⃣ Visit Doconut.app.
2️⃣ Upload your ODS file – Drag and drop or select a file.
3️⃣ View it instantly – No need to install OpenOffice!

🚀 Open Your ODS Now

One thing to be clear about: this is a viewer, not an editor and not a converter. You can read the sheet, move between tabs and print it. You cannot change a cell or export it as XLSX — there is no format menu, because that is not what the site does.

The same viewer also opens XLS, XLSX, CSV, XLSM, XLSB, XLTX and XLTM, so an ODS and the Excel file somebody sent you alongside it both land on the same page.

🔗 Start Viewing ODS Files Online! → Try It Now