Runs locally in your browser — no upload, no account
How to use Spreadsheet Viewer
Drop your XLSX, XLSM, XLS, XLSB, ODS, application/vnd.openxmlformats-officedocument.spreadsheetml.sheet, application/vnd.ms-excel, application/vnd.oasis.opendocument.spreadsheet file onto the page, or choose it from your device.
Adjust the options if needed.
Start “Open spreadsheet” — it runs inside your browser.
Preview the result and download it.
Frequently asked questions
Is Spreadsheet Viewer free?
Yes. Spreadsheet Viewer is free to use and needs no account or sign-up.
Are my files uploaded to a server?
No. Dhurta Suite processes your files inside your own browser. They are not uploaded, stored or seen by anyone, and they are discarded when you close the page.
Which file formats are supported?
Spreadsheet Viewer accepts XLSX, XLSM, XLS, XLSB, ODS, application/vnd.openxmlformats-officedocument.spreadsheetml.sheet, application/vnd.ms-excel, application/vnd.oasis.opendocument.spreadsheet. Results can be saved as CSV, JSON.
Does it work offline?
Once the page has loaded, processing needs no internet connection.
Does it work on phones?
Yes. It works in current mobile browsers on Android and iPhone, as well as on desktop.
Are there any limitations?
Charts, images, formatting and macros are not shown; macros never run. Password-protected workbooks are not supported.
Related tools
CSV Viewer & Editor — View, sort, filter and edit CSV/TSV files. Clean data, remove duplicates, split or merge columns.
CSV to JSON — Convert CSV or TSV to JSON. Detects the delimiter and handles quoted fields.