ChartDB
ChartDB visualizes database schemas as diagrams and supports data modeling.
About ChartDB
ChartDB is a browser-based tool for visualizing and designing relational database schemas as entity-relationship diagrams. According to its homepage, a single query retrieves an entire schema for import, after which tables and relationships can be edited and the result exported. It supports MySQL, MariaDB, PostgreSQL, Microsoft SQL Server and SQLite.
The homepage presents two ways to use it: ChartDB Cloud, described as aimed at ease of use and team accessibility, and a self-hosted option described as free and open source, where the site says users maintain control over their data and setup. The site advertises AI-assisted diagram generation from a prompt, export to SQL DDL scripts or images, syncing a diagram with a live database, diffs and version history, and real-time collaboration.
Key features
- Import an entire schema with a single SQL query
- AI generation of editable ER diagrams from a text prompt
- Export diagrams as SQL DDL scripts or as images
- Sync diagrams with a live database and track schema diffs
- Real-time collaboration: invite teammates to view and edit diagrams
- MySQL, MariaDB, PostgreSQL, SQL Server and SQLite support
Best for: Engineers and database teams who need to visualize, design, and migrate relational schemas without drawing diagrams by hand.
Good for
- Single-query import reduces manual diagram building
- Covers five established relational database systems
- Diagrams can be exported as DDL scripts or images
Watch out for
- Pricing beyond a free start and demo booking is not published on the homepage
- The Examples section is marked as work in progress (WIP)
ChartDB at a glance
- Website
- chartdb.io
- Category
- Development › APIs & Databases
- Type
- Online tool
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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ChartDB FAQ
Which databases does ChartDB support?
The homepage lists MySQL, MariaDB, PostgreSQL, Microsoft SQL Server and SQLite.
How is a schema imported?
The site says a single query per database fetches the entire schema, and that this works without database access.
Can I export the diagram?
Yes. The homepage says diagrams can be downloaded as SQL DDL scripts to run against a database, or as an image for documentation.
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