MermaidSketch
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Free
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About
MermaidSketch lets you draw flowcharts and system diagrams visually, then instantly converts to Mermaid syntax.
Perfect for developers, designers, and product managers who think visually.
FEATURES:
- Draw shapes, arrows & groups on canvas
- Group nodes into layers and subgraphs
- AI-powered diagram generation from text
- Offline Mermaid preview (no internet needed)
- Export as PNG or Markdown file
- Manage multiple diagram projects
- Undo/Redo, Zoom/Pan, Resize shapes
FREE:
- Unlimited canvas & projects
- Full drawing tools
- Offline preview & export
- 3 AI generates per day
PRO ($2.99/month):
- 20 AI generates per day
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What's New in MermaidSketch
1.0.1
May 20, 2026
Bug fixes and improvements: - Improved canvas performance - Better Mermaid diagram import layout - Export full diagram as PNG - Zoom controls in Preview - Auto-fix common Mermaid syntax issues - Fixed gesture handling on canvas
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