Transform ideas into professional Entity-Relationship Diagrams using natural language. Built for developers, designed for simplicity.
Professional tools for database architects and developers
Describe your database in plain English. AI instantly generates a complete, optimized ERD.
Intuitive drag-and-drop interface. Customize entities, fields, and relationships effortlessly.
Automatic detection and suggestions for table relationships. Supports all cardinality types.
Export to SQL, JSON, or images. Compatible with PostgreSQL, MySQL, SQLite, and more.
Intelligent algorithms organize your diagram automatically. Perfect layouts, every time.
Iterate on your design through natural conversation. Refine schemas in real-time.
From idea to implementation in three steps
Simply tell ERDx what you're building. "Create an e-commerce system with products, orders, and customers." The AI understands context and best practices.
Get an instant, professional ERD. Use the visual editor to customize fields, add constraints, or chat with AI to request changes.
Download SQL migration scripts, JSON schemas, or high-resolution diagrams. Production-ready code, instantly.
Free forever. No credit card required. Built for developers who care about quality.
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