Query your files with SQL, right in your browser

Drop a CSV, Parquet, JSON or Excel file. A full analytical database runs on your machine — your data never leaves it.

Drop files here or click to choose CSV · TSV · Parquet · JSON · NDJSON · Excel (.xlsx)

Private by designFiles are read locally. Nothing is uploaded, nothing is stored on a server.
Real SQLDuckDB: joins, window functions, pivots, regex — across several files at once.
Fast on big dataMillions of rows in seconds, using your CPU instead of someone else's.