DB Fiddle is a suite of powerful, browser-based SQL notebooks designed to run SQLite, PostgreSQL, and DuckDB directly in your browser.
No installations, no server configurations—just a seamless experience for writing, executing, and visualizing SQL queries online.
Each of our apps is powered by WebAssembly. Whether you're exploring SQLite's simplicity, PostgreSQL's robust feature set, or DuckDB's high-performance analytics, our notebooks offer an intuitive, Jupyter notebook-inspired interface that makes learning and working with databases easier than ever.