SQL Workbench - Free Online SQL Editor

SQL Workbench is a free, browser-based SQL editor powered by DuckDB WebAssembly. Query and visualize your data without any installation or server setup.

Key Features

  • Query local CSV, JSON, Parquet, and Arrow files by drag-and-drop
  • Query remote data from any URL with CORS support
  • Create interactive data visualizations and charts
  • Export results to CSV, JSON, or Arrow format
  • Visualize query execution plans
  • Browse database schemas with the schema browser
  • Track query history with replay functionality
  • Generate ER diagrams from your tables
  • Use local AI models for text-to-SQL generation
  • Attach remote DuckDB databases

Why SQL Workbench?

SQL Workbench runs entirely in your browser using DuckDB WebAssembly. Your data never leaves your machine, ensuring complete privacy. Perfect for data analysts, developers, and anyone who needs to quickly explore and visualize data.

Supported Data Formats

  • CSV (Comma-Separated Values)
  • JSON (JavaScript Object Notation)
  • Parquet (Apache Parquet columnar format)
  • Arrow (Apache Arrow format)
  • DuckDB databases