WebAssembly version of DuckDB


Main Benchmarks duckdb npm JSDevlivr


DuckDB-Wasm is an in-process analytical SQL database for the browser. It is powered by WebAssembly, speaks Arrow fluently, reads Parquet, CSV and JSON files backed by Filesystem APIs or HTTP requests and has been tested with Chrome, Firefox, Safari and Node.js. Learn more about DuckDB-Wasm from our VLDB publication or the recorded talk.

Try it out at or Observable, read the API documentation, check out the web-app examples, and chat with us on Discord.

_DuckDB-Wasm is fast! If you're here for performance numbers, head over to our benchmarks._

Repository Structure