SQL Playground
Upload a CSV and query it with SQL in your browser. Powered by SQLite WASM — no server, no upload.
Drag & drop a CSV file here
About This Tool
Upload any CSV file and query it using SQL — right in your browser. Powered by SQLite compiled to WebAssembly, your data never leaves your machine. No upload, no server, no account.
How to Use
- Upload a CSV file or load the sample dataset.
- Write SQL queries in the editor. Your CSV becomes a SQL table.
- Press Ctrl+Enter or click Run to execute.
- Results appear instantly with execution time.
Use Cases
- Explore and filter large CSV exports from databases or analytics tools.
- Run GROUP BY, JOIN, and aggregate queries on spreadsheet data.
- Quick data analysis without installing any software.
- Practice SQL with your own data.