dbdiagram.io is a free, simple tool to draw ER diagrams by just writing code. It is designed for developers and data analysts.

dbdiagram.io in Database design tools

Desktop/Cloud: Cloud
Generate DDL scripts: Yes
Free edition: Yes
ER Diagram: Yes

dbdiagram.io in Database diagram / Reverse Engineering tools

dbdiagram.io is a free, quick and simple database designer to help you draw your database diagrams using their own Domain-specific language (DSL). It allows you to save and share your diagrams online.

Commercial: Free
Free edition: Yes
Export: Image,PDF