UML Activity Diagram Maker
Describe a workflow and get a UML activity diagram — actions, decisions with guards, and fork/join bars where things happen in parallel.
- Start ●, end ◉, actions and decisions
- Fork and join bars for parallel work
- Labelled branches
- Automatic top-to-bottom layout
How it works
- Describe the workflow
- The AI drafts the activity diagram
- Edit and add branches
- Export or present it
Try it with
- ATM cash withdrawal
- Exam registration with fee payment and document upload
- Order processing
- Leave approval
Frequently asked questions
Is it free?
Yes. Drawing by hand is always free and every account includes free AI credits. AI Flowchart Pro adds unlimited AI generation and every diagram type.
Can I export it?
Yes — PNG, SVG, PDF, PowerPoint with an editable slide, Mermaid code and draw.io. You can also share a live link or present it full screen.