CLEAR DIAGRAMS. REAL PROJECT CONTEXT.

AI UML Diagram Maker

Use the right UML view for the question you need to answer. Drawgon supports class, sequence, activity and state diagrams, each generated from the same project blueprint so names stay consistent.

No signup · Your Gemini key · SVG / PNG / HTML

AI UML Diagram Maker — adapted Diagram Design example

Adapted Diagram Design example · not generated project output

What to include in your description

Describe the domain concepts, actors, responsibilities and important workflows. For a class diagram, add attributes, methods and relationships that exist in your design. For a sequence diagram, describe one scenario in order.

A practical starting point

A student attendance project could use a class view for Student, Session and AttendanceRecord, a sequence view for recording attendance, and an activity view for review and approval. Supply actual project facts rather than asking the model to invent an implementation.

Make a diagram in four steps

Connect and validate your own Gemini API key.
Enter a project title and abstract, then optionally add a public GitHub repository.
Add relevant details, choose your diagram types and review the project.
Check the generated blueprint and assumptions, refine the diagram and download.

What to check before you export

Choose class diagrams for structural relationships.
Choose sequence diagrams for time-ordered messages.
Choose activity diagrams for actions, decisions and parallel responsibilities.
Choose state diagrams for lifecycle states and guarded transitions.

Choose the view that answers your question

UML is a family of notations rather than one diagram. ER diagrams focus on logical data relationships; UML class diagrams can also show operations, inheritance and composition. Drawgon does not currently offer a dedicated use-case diagram type.

Diagrams use a monochrome palette by default. SVG stays vector; PNG exports at 1×, 2× or 3×. Use Download All for a ZIP containing your selected formats and project summary.

Common questions

Which UML diagrams can I make?

Class, sequence, activity and state diagrams are available. The catalog also includes architecture, deployment, ER and database schema views.

Can students use these diagrams in reports?

Yes. Review the notation, project facts and assumptions, then download black-and-white SVG or PNG for a report or presentation.