AI-native diagramming

Build diagrams that flow.

Describe a system, get a Mermaid diagram. Refine it in code or with Claude. Share a link, embed an iframe, present full-screen, or edit live with your team.

Start for free See what's inside

flowchart.mmd

flowchart TD
  A[User signs up] --> B{Email verified?}
  B -- Yes --> C[Land on dashboard]
  B -- No  --> D[Resend magic link]
  C --> E[Create project]
  E --> F[Generate diagram with AI]

Claude-powered AI

Describe what you want in plain English. Claude generates valid Mermaid syntax, every time.

Code-first editor

Monaco editor with live preview, pan & zoom, and five Mermaid themes.

Versioned & organized

Group diagrams into projects. Every snapshot becomes a version you can restore.

Share & embed

Public links and iframe snippets for any diagram. Read-only view for anyone.

Real-time collab

See teammates in the same file. Edits sync in under 200ms via Supabase Realtime.

Presentation mode

Click Present. Page through every diagram in a project with arrow keys. F for full-screen.