Mermaider

MERMAID. WITH LESS FRICTION.

Turn thoughts into
diagrams.

Make ideas and workflows easy to understand. Write Mermaid, preview changes live, and share the result with your team.

Open in browserDesktop version

Web app 1.8.7 available · No account needed

One idea. One clear flow.idea.mmd
01

Text in. Clarity out.

Edit Mermaid code with a live preview. Use visual editing for supported flowcharts.

02

Your AI. Your way.

Use local Ollama or hosted OpenAI to turn a description into diagram code.

03

Ready to share.

Export as SVG, PNG or PDF. For documentation, presentations, and your next conversation.

ON YOUR DESKTOP, TOO

One tool.
Your workspace.

Start in your browser or use the reviewed desktop release.

Desktop release 1.8.7 is being prepared.

macOS

Apple Silicon

Version 1.8.7 · DMG

Tested and accepted on macOS. Unsigned; check the installation instructions before opening.

Windows

x64

Version 1.8.7 · Installer

Tested and accepted on Windows. Unsigned; check the installation instructions before opening.

INTERACTIVE PREVIEW

Make decisions visible.

Interactive preview: edit questions and answers, get suggestions for next steps, and follow decisions directly in the diagram. With hosted Jev or local Laya.

Preview · Interactive decision flows