auto_awesome AI Diagram Generator

AI UML Class Diagram Generator

Describe your classes, attributes, methods and relationships in plain English and Ridvay builds a clean, correctly-laid-out UML class diagram — no UML syntax, no dragging boxes.

Every diagram is fully editable: rename classes, add fields, change relationship types, then export as PNG or SVG.

Generate your own — free

Try a prompt like: “UML class diagram for a library system with Book, Member and Loan”

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 UML class diagram

Click an example to generate it in the editor.

bolt“A library system with Book, Member and Loan classes” Generate →bolt“An e-commerce domain with Customer, Order, Product and Payment” Generate →bolt“A blog with User, Post, Comment and Category and their relationships” Generate →bolt“A bank system with Savings and Checking extending an Account base class” Generate →

Frequently asked questions

How do I generate a UML class diagram?

Type a description of your system — e.g. “UML class diagram for a library with Book, Member and Loan” — and Ridvay builds the classes, attributes, methods and relationships for you.

Can I edit the generated diagram?

Yes. Every element is editable — add or remove classes and fields, change relationship types (association, inheritance, composition), restyle, and re-lay-out with one click.