Penguin - AI Diagram Maker
Create flowcharts, mind maps, workflow diagrams, system architecture, and org charts with AI assistant or visual editor. Native macOS app.
Powerful Features for Every Need
From AI-powered creation to professional export, everything you need to create stunning diagrams
AI-Powered Creation
Describe your diagram in natural language and AI will create or update it automatically.
- •Natural language diagram generation
- •Claude Sonnet & GPT-4 support
- •Edit existing diagrams with AI
- •Understands diagram context
Professional Editor
Three node shapes, three connection styles, 1500+ Lucide icons, and full color customization. Add images and labels.
- •3 shapes: rectangle, oval, diamond
- •3 connection styles: bezier, step, straight
- •1500+ icons from Lucide library
- •Custom colors, images, and labels
Auto-Layout Algorithms
Dagre for hierarchical workflows, Mindmap for idea exploration. One click to organize your diagram.
- •Dagre algorithm for hierarchies
- •Mindmap layout for brainstorming
- •One-click auto-arrange
- •Customizable layout direction
Export & Sharing
Export to PNG, SVG, or JSON. High-quality images for presentations, scalable graphics for any size.
- •PNG - for presentations & docs
- •SVG - scalable vector graphics
- •JSON - open format for sharing
- •Choose save location
History & Undo
Full operation history with up to 300 steps. Cmd+Z / Cmd+Shift+Z for quick undo/redo.
- •Up to 300 steps history
- •Cmd+Z / Cmd+Shift+Z hotkeys
- •Full operation tracking
- •Never lose your work
Modern Interface
Dark and light themes, mini-map for navigation, customizable grid with snap, 10-200% zoom.
- •Dark & light themes
- •Mini-map for large diagrams
- •Grid with snap alignment
- •Zoom 10-200%
Native Performance
Built with Tauri and Rust for maximum performance. Fast startup, minimal memory, works offline.
- •Native app with Tauri & Rust
- •Fast startup & minimal memory
- •Works fully offline
- •Local file storage
Privacy First
All data stored locally on your Mac. No cloud sync, no tracking. Your diagrams stay yours.
- •All data stored locally
- •No cloud sync or tracking
- •Open JSON file format
- •Git-friendly file storage
Built for Everyone
From developers to students, Penguin helps you visualize ideas quickly
Developers
App architecture, API flows, state diagrams, system design
Product Managers
User journey maps, feature workflows, roadmaps
Analysts
Process modeling, data flow, decision trees
Students
Mind maps for studying, concept maps, exam prep
Designers
User flows, wireframe connections, information architecture
Business Teams
Org charts, business processes, presentations