ER Diagram Generator
Generate Mermaid.js Entity-Relationship (ER) diagram definitions from database schema models.
How to Use ER Diagram Generator
Define your tables and relationships.
Click 'Generate ER Diagram'.
Copy Mermaid markdown code or preview the schema.
Frequently Asked Questions
Can I use this in GitHub Markdown?
Yes, GitHub natively renders Mermaid ```mermaid blocks in readmes and issues.
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