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AI Sequence Diagram Generator - UML Sequence Diagrams
Create UML sequence diagrams with AI. Perfect for software architecture and system interactions.
Two Output Modes
Choose between Mermaid Code (visual diagrams) or Text/ASCII mode (text-based)

Switch between modes using the dropdown in the input bar
Edit & Re-render
Manually edit the Mermaid code and re-render your diagram

Switch to the Code tab to make manual adjustments
Refine, Then Go Pro
Adjust and refine your diagram as many times as you need, then switch to Pro Mode

Use the toggle in the sidebar to switch to Pro Mode
Seamless Transition
Your draft diagram automatically prefills into Pro Mode

Your work in Draft Mode carries over to Pro Mode for beautiful infographics
AI can make mistakes, so double-check the generated diagrams