Runs in your browser

Try SQL before you sign up

DuckDB compiles to WebAssembly and runs entirely in your browser — no API key, no server. Sample data is 100 rows per dataset loaded via our free preview endpoint. For full data (10K+ datasets, no row limits) grab a key.

Initializing DuckDB-WASM…

SQL

Tables loaded

taxi_zones

slug: nyc.taxi_zones

100-row sample via /catalog/nyc.taxi_zones/preview.

Want full datasets (not just 100 rows)? Grab an API key — first 5,000 credits free — then run against lake.main.* on the full API.

Convinced? Grab a key.

5,000 credits free on signup. Time-travel SQL + Parquet output + MCP server all included.

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