Draw Entity-Relationship Diagrams, Painlessly
A free, simple tool to draw ER diagrams by just writing code. Designed for developers and data analysts.
Enjoy the Efficiency of Writing Code
You type and an ER diagram appears. Your fingers never need to leave your keyboard.
Generate SQL statements
Directly generate SQL statements to create your database tables.
Export to Images and PDFs
Create beautiful PDFs of your ER diagram to circulate internally. Who says ERDs are so difficult to create?
One Click Sharing
Share your diagrams online with your colleagues and customers with just one click.
Integrate with your SQL Databases
Quickly generate your diagrams from SQL dump files.
Integrate with Popular Web Frameworks
Or if you use popular web frameworks like Rails or Django, simply upload your schema.rb or models.py file!