CSV Viewer & Editor
Open, view, and edit CSV files directly in your browser. No server upload required.
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Upload CSV File
Drag & drop or click to select a CSV file
Max file size: 50MB
How to Use
- Click the upload area or drag & drop a CSV file
- View your data in a sortable, searchable table
- Double-click any cell to edit its value
- Add or delete rows and columns as needed
- Download the edited CSV file
All processing is done in your browser, and files are never sent to a server.
Frequently Asked Questions
Are my files uploaded to a server?
No, all processing happens entirely in your browser. Your files never leave your device.
Is there a file size limit?
The tool works best with files under 50MB. Larger files may cause slower performance depending on your device.
Can I edit the data?
Yes! Double-click any cell to edit its value. You can also add or delete rows and columns.
What file formats are supported?
CSV, TSV, and plain text files with comma or tab delimiters are supported.
Does it work on mobile?
Yes, the tool is fully responsive and works on mobile devices, though a larger screen is recommended for editing.
Can I sort and filter the data?
Yes, click any column header to sort. Use the search box to filter rows.
Is my data safe?
Absolutely. Since all processing is done locally in your browser, your data remains completely private.