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ChartDB

Freemium

Instant database diagramming with AI-powered DDL migration

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Saas
Company
ChartDB
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About ChartDB

ChartDB is a free, open-source database diagram editor. It allows users to visualize and design their database with a single query and easily migrate with AI-powered DDL script generation in their preferred SQL dialect. It helps draw DB relationship diagrams and export DDL scripts.

How to Use

Visualize your DB via one-single query. Database design editor -> get a diagram in just 15 seconds. You can import, edit, and export diagrams.

Key Features

  • Visualize database schema with a single query
  • AI-powered DDL script generation
  • Free and open-source
  • Database design editor
  • Import, edit, and export diagrams

Use Cases

  • Instantly visualize database schema and generate ER diagrams
  • Jumpstart work with pre-designed examples for quick setup and design inspiration
  • Share visually appealing previews of database diagrams

Key Features

Visualize database schema with a single query
AI-powered DDL script generation
Free and open-source
Database design editor
Import, edit, and export diagrams

Pros & Cons

Pros
  • Completely free and open-source with no hidden costs
  • Extremely fast setup — diagram from a single SQL query in about 15 seconds
  • AI-driven DDL export supports multiple SQL dialects for easy migration
  • Pre-built examples reduce time to create initial schema designs
Cons
  • Limited advanced customization compared to premium diagramming tools
  • May not support all proprietary or niche database systems out-of-the-box

Best For

Instantly visualize database schema and generate ER diagramsJumpstart work with pre-designed examples for quick setup and design inspirationShare visually appealing previews of database diagrams

Alternatives to ChartDB

FAQ

Is ChartDB free to use?
Yes, ChartDB is a free and open-source tool. You can use it without any cost, and there is a hosted version as well as a self-hostable option.
How do I visualize my database schema?
You can import your database schema by running a single SQL query, and ChartDB will automatically generate an ER diagram for you within seconds.
Can I export my diagrams to other formats?
Yes, ChartDB allows you to export your diagrams as images or DDL scripts. The AI-powered DDL export supports various SQL dialects to assist with database migrations.