auto_awesome AI Diagram Generator

AI ER Diagram Tool

Describe your data model — entities, primary and foreign keys, and how they relate — and Ridvay generates a clean entity-relationship diagram for your database schema.

Add attributes, change cardinalities, and export as PNG or SVG.

Generate your own — free

Try a prompt like: “ER diagram for Customer, Order and LineItem with foreign keys”

A live example — open the full editor to make your own.

bolt

No syntax, no dragging

Describe it in plain English — we handle the structure and layout.

edit

Fully editable

Move, restyle and connect every element. A real diagram, not a flat image.

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Refine with AI

Say “make it horizontal” or “add a step” and watch it update.

From one sentence to a ER diagram

Click an example to generate it in the editor.

bolt“Customer, Order and LineItem with primary and foreign keys” Generate →bolt“A school database: Student, Course, Enrollment and Teacher” Generate →bolt“A blog schema: User, Post, Tag and Comment” Generate →bolt“A hotel booking system: Guest, Room, Reservation and Payment” Generate →

Frequently asked questions

How do I generate an ER diagram?

Describe your entities and relationships in plain English and Ridvay builds the ERD with keys and connections.

Can I edit entities and keys?

Yes — add or edit attributes, mark keys, change relationships, and re-lay-out the diagram.