CSV & Excel Viewer
View spreadsheets on any device, including files too big for your phone’s spreadsheet app.
Runs in your browser. Nothing is uploaded Free, no sign-up Works on mobile
Open a CSV or Excel file
Large files (100 MB+) open locally, with no upload wait
How to use CSV & Excel Viewer
- Open a CSV or Excel file.
- Filter rows by typing, and click a column to sort.
- Switch sheets for multi-sheet workbooks.
Frequently asked questions
How large a file can I open?
Files of 100 MB or more usually work on a computer. Everything stays in your browser’s memory.
Can I edit the data?
This is a viewer. Use the CSV cleaner or converters to change and export data.
Are my files uploaded?
No. Files are read and processed by your browser on your own device, so there is no upload wait and no size limit set by a server.
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