Open a .sqlite / .db file, browse tables, run queries.
Drop a .sqlite / .db file
Single file
Drop a CSV, JSON, Parquet or SQLite file.
Write SQL or set the tool's options.
Browse rows in the table or export as CSV / JSON.
DuckDB-WASM streams from disk-backed OPFS, so multi-GB files work well in modern browsers.
No. Every query runs against files opened directly in your browser via DuckDB-WASM or sql.js.
CSV, JSON, Parquet and SQLite. Joins across formats work in a single SQL query.
Drop CSV, JSON, Parquet or SQLite. Query with DuckDB.
Instant column stats — types, nulls, min/max, top values.
Chart CSV / Parquet data with GROUP BY queries.
Stream multi-GB CSVs — page, filter, sort with SQL.
Parse log lines with regex, aggregate by level and time.
Preview schema and rows from JSON or Parquet files.
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