Drop a file below to get started. Everything runs locally in your browser — nothing is uploaded anywhere.
Drop your CSV file here
or click to browse · .csv, .tsv, .txt up to 50 MB
Open and view CSV, TSV, and TXT files up to 50 MB. Instant rendering with virtualized scrolling for large datasets.
Double-click any cell to edit. Add, delete, or duplicate rows and columns. Rename headers. Full undo/redo support.
Sort columns ascending or descending. Filter each column individually or search across all columns at once.
Download your edited CSV with custom delimiter and encoding options. Export filtered data or the complete dataset.
All processing happens in your browser. No file uploads, no servers, no tracking. Your data never leaves your device.
Beautiful light and dark themes. True black dark mode for OLED screens. Automatically matches your system preference.
Drag and drop a CSV file or click to browse. Supports .csv, .tsv, and .txt formats.
Instantly see your data in a clean table. Edit cells, sort columns, filter rows, and search.
Export your edited file as CSV with your preferred delimiter and encoding settings.
Yes, ViewCSV is completely free. There is no signup, no subscription, and no hidden fees. Just open the site and start using it.
Absolutely. ViewCSV processes everything 100% client-side in your browser. Your files are never uploaded to any server. Your data never leaves your device.
ViewCSV supports CSV (.csv), TSV (.tsv), and plain text (.txt) files. The maximum file size is 50 MB.
Yes. Double-click any cell to edit it. You can also add or delete rows and columns, rename headers, sort, filter, and export the modified file.
ViewCSV requires an initial page load, but once loaded, all file processing happens locally in your browser without needing an internet connection.