Open almost any tabular file
Import CSV, TSV, TXT, JSON, JSONL, NDJSON, Parquet, and Excel workbooks. Multi-sheet Excel files open as separate tabs automatically.
BrowserCSV + DuckDB WASM
Edit, query, and transform data in seconds without leaving your browser.
BrowserCSV combines a fast grid editor, SQL analytics, and local-first storage so you can clean and ship data from one interface.
Edit at spreadsheet speed
Insert, duplicate, and delete rows. Add, rename, sort, pin, profile, and remove columns from the grid or context menu.
Run SQL with DuckDB WASM
Query your in-browser tables with a full SQL console, schema explorer, templates, formatting, and result export.
Analyze while you clean
Use global find/replace, match highlighting, column profiling, selection stats, and quick sorting to shape data faster.
Work safely with full history
Undo/redo keeps edits reversible, and destructive actions like row/column deletion are protected by confirmations.
Local-first and private
Everything runs in your browser. Data never needs to leave your machine, with persistent storage support when available.
Power-user productivity
Command palette, keyboard shortcuts, drag-and-drop import, dark mode, and multi-tab workflows keep you in flow.
Export in your target format
Sync edits back to DuckDB and export to CSV, JSON, or Parquet whenever your dataset is ready to ship.
Built for fast keyboard-driven workflows
Ctrl+K Command paletteCtrl+H Find & ReplaceCtrl+` SQL ConsoleCtrl+Z / Ctrl+Y Undo & Redo
Large datasets stay responsive with paging and DuckDB-powered operations, while your active tab remains easy to inspect and edit.
Ready to market your data workflow with speed and clarity?
Open files, iterate with SQL and grid edits, then export in the format your team needs.
Start editing now