MerdownLess than 20 MBNo sign-inEverything local
A lightweight Mermaid and Markdown client for Mac
Merdown keeps your documents on your Mac and gives you a focused place to write, preview and understand how diagrams change
Local filesGit-awareMermaid 11macOS 13+
Git-aware diagrams
See the source change and the diagram change
Browse the Git history already stored in your repository and switch between source changes and visual diagram changes
- Review additions and removals in Mermaid or Markdown
- Toggle visual changes directly on the rendered diagram
- Move through commits without changing your working files
Mermaid support built in
Start with a familiar diagram and keep working
Create flowcharts, sequence diagrams, class diagrams, state diagrams, entity-relationship diagrams, architecture diagrams and more
- Built-in starters for common Mermaid diagram types
- Live preview alongside the editor
- Pan, zoom, fit and a minimap for larger diagrams
Everything local, with no account required
A small client for the full Mermaid workflow
Edit Mermaid and Markdown, review Git changes and work with local files without creating an account or moving documents to a cloud workspace
< 20 MBlightweight download
