CSV Viewer & Editor

Open, view, sort, filter, and edit CSV, TSV, or JSON files directly in your browser. Convert between formats. Nothing is uploaded anywhere.

βœ“ In-browser No upload Free
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Drop file here or browse
Supported: CSV, TSV, JSON - max 50 MB
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No data loaded
Drop a CSV, TSV, or JSON file above, or paste data in the Paste tab.
No Upload Required

Your data stays in your browser. Files are read locally - nothing is sent to any server.

Edit & Export

Click any cell to edit. Add or remove rows and columns, then export as CSV, TSV, or JSON.

Large File Support

Handles files with thousands of rows smoothly. Sort and filter in real time.