SQL Playground

Run SQL queries directly in your browser. Full SQLite database — CREATE, INSERT, SELECT, JOIN, GROUP BY. Import CSV, export JSON. Free, private, no server.

Loading SQL engine (~3MB)...

About SQL Playground

🗄️ Full SQLite Engine

Real SQLite compiled to WebAssembly. Supports CREATE TABLE, INSERT, SELECT, JOIN, GROUP BY, WHERE, ORDER BY, subqueries, and more.

📊 Import/Export

Import CSV files as tables. Export query results as JSON. All data stays in your browser's memory.

⚡ Instant

Pure client-side — no server round-trip. Queries execute in milliseconds in your browser using WebAssembly.

🔒 100% Private

Your database lives in browser memory only. No data sent to any server. Refresh to clear everything.