Skip to:

Transform messy sketches into clean architecture with our class diagram generator AI

Tired of wrestling with clunky diagramming tools that turn simple system design into hours of tedious positioning? Manually creating UML class diagrams means fighting with formatting, maintaining consistency across complex inheritance hierarchies, and constantly updating relationships as your architecture evolves. This is why software architects are turning to a UML class diagram AI generator that eliminates the manual work and speeds up system design reviews.
ai class diagram generator hero x2
accenture.svgLogo-Comcast.svgLogo-CVS-Health.svgLogo-Danaher.svgLogo-Delloite.svgLogo-Dropbox.svgLogo-Hanes.svgLogo-Hr-block.svgLogo-Kimberly-Clark.svgLogo-Pepsico.svgLogo-Publix.svgLogo-Rabobank.svgLogo-Slalom.svgLogo-Ubisoft.svgLogo-Total.svgLogo-Ulta.svgLogo-Wp-Energy.svgLogo-Yamaha.svg
accenture.svgLogo-Comcast.svgLogo-CVS-Health.svgLogo-Danaher.svgLogo-Delloite.svgLogo-Dropbox.svgLogo-Hanes.svgLogo-Hr-block.svgLogo-Kimberly-Clark.svgLogo-Pepsico.svgLogo-Publix.svgLogo-Rabobank.svgLogo-Slalom.svgLogo-Ubisoft.svgLogo-Total.svgLogo-Ulta.svgLogo-Wp-Energy.svgLogo-Yamaha.svg

Skip the tedious setup and focus on system architecture

Picture this: you describe your system's core entities and relationships in plain English, and within seconds, you're looking at a professionally formatted UML class diagram. Miro's class diagram generator AI transforms your architectural concepts into clear, standardized diagrams that development teams can actually use. Our AI-powered visual canvas helps you think through complex system relationships, validate design patterns, and communicate architectural decisions with clarity that keeps everyone aligned.
ai class diagram generator sub header x2

Experience AI-powered diagramming that understands your workflow

Visual Workspace Icon

Generate professional UML class diagrams in seconds

Creating UML class diagrams with Miro's AI is refreshingly simple. Open Create with AI, select "Diagramming" from the menu, then choose "UML Class Diagram" to generate your system architecture visualization. Whether you're designing a new microservice, documenting an existing API, or planning a database schema, our AI understands the nuances of object-oriented design and creates diagrams that follow UML best practices.

Easy Synthesis Ico

Design microservice architectures faster

When you're architecting microservices, every bounded context needs clear entity relationships. Instead of spending hours manually mapping out service boundaries, describe your domain model to our UML class diagram AI generator. "Create a class diagram for an e-commerce order service with Order, OrderItem, Customer, and Payment entities, showing aggregation and composition relationships." Watch as the AI generates a clean diagram showing proper associations, multiplicities, and dependencies – giving you a solid foundation for service design discussions.

Circulate Diagram Icon

Document API structures with precision

API documentation becomes exponentially clearer when backed by visual class structures. Describe your REST API's resource models, and let the AI create comprehensive class diagrams showing inheritance patterns, interface implementations, and data transfer objects. Your development team gets immediate visual context for complex object hierarchies, reducing integration confusion and speeding up development cycles.

Multiple Versions Icon

Validate database schemas before implementation

Before committing to database designs, visualize entity relationships through UML class diagrams. Our AI helps you spot potential design issues early – like missing foreign key relationships or overly complex inheritance patterns that might cause performance problems. Generate diagrams for your proposed schema, iterate on the design with your team, and ensure everyone understands the data model before development begins.

Ideal for Teams Icon

Plan system integrations visually

When integrating with third-party systems or legacy applications, clear interface definitions prevent costly miscommunication. Describe the integration points, shared data models, and boundary objects to our AI. The generated UML class diagrams become the single source of truth for integration contracts, helping both internal teams and external partners understand exactly what data flows where.

Faster Kickoff Icon

Streamline code review processes

Transform abstract architectural discussions into concrete visual reviews. Generate class diagrams for proposed code changes, new feature implementations, or refactoring initiatives. Development teams can quickly grasp the impact of architectural decisions, spot potential coupling issues, and provide more targeted feedback during design reviews.

Integrated with your favorite tools

Ideas, inspiration, and intel in full view. Visualize marketing campaigns and client and prospect info to take action, and track tasks and status updates for the team.
150-plus-apps-and-integrations_image_EN_standard_3_2

How to create UML class diagrams with Miro AI

1. Open Create with AI

Click the Create with AI button in your Miro toolbar to access our AI-powered creation tools.

ai class diagram generator how to x2

2. Select Diagramming

Choose "Diagramming" from the available options to access our comprehensive diagram generation capabilities.

3. Choose UML Class Diagram

Select "UML Class Diagram" from the diagramming options to activate our specialized AI for object-oriented design.

4. Describe your system

Provide a clear description of your classes, attributes, methods, and relationships. For example: "Create a UML class diagram for a library management system with Book, Author, Member, and Loan classes showing proper associations."

5. Generate and refine

The AI creates your professional UML class diagram instantly. Edit, customize, and add details directly on your Miro board.

6. Collaborate and iterate

Share your board with team members for real-time feedback, comments, and collaborative refinement of your architectural design.

ai class diagram generator how to x2
social_proof_cover_photo_EN_jumbo_16_9_2x.png

The world's most innovative companies are collaborating in Miro, everyday

More than 180,000 organizations, including Nike, Ikea, Deloitte, WPP, and Cisco, have adopted Miro to help innovate the way they innovate, with the goal of improving the speed and quality of their work.

UML Class Diagram AI Generator FAQs

motor cycle.png

How accurate are the AI-generated UML class diagrams?

Our UML class diagram AI generator follows standard UML conventions and best practices. The AI understands object-oriented principles, inheritance patterns, and relationship types, creating diagrams that accurately represent your described system architecture.

Can I customize the generated UML class diagrams?

Absolutely! Every AI-generated diagram is fully editable. You can modify classes, add attributes and methods, adjust relationships, change styling, and extend the diagram with additional UML elements from Miro's comprehensive shape library.

How can my team collaborate on UML class diagrams?

Miro supports real-time collaboration where multiple architects and developers can simultaneously edit diagrams, add comments, and provide feedback. Use @mentions to notify specific team members about architectural decisions or questions.

Do I need UML expertise to use the class diagram generator?

While basic UML knowledge helps, our AI generates standard-compliant diagrams from natural language descriptions. The tool includes helpful tooltips and guidance for UML notation and best practices.

What's included in the Free plan for UML class diagram generation?

The Free plan includes 10 AI credits per team per month. Each UML class diagram generation consumes one credit, allowing you to create up to 10 AI-generated diagrams monthly.

How do AI credits work for UML class diagram generation?

Each use of the class diagram generator consumes one AI credit regardless of diagram complexity. Starter plans include 25 credits per license monthly, Business plans include 50 credits, and Enterprise plans include 100 credits per license.

How secure is my architectural data when using AI diagram generation?

Miro employs enterprise-grade security including SOC 2 Type 2 compliance, GDPR compliance, and data encryption in transit and at rest. Your architectural designs and system information remain protected and private.

Join our 90M+ users today

Join thousands of teams using Miro to do their best work yet.