A native macOS drawing app for quick sketches, screenshot markup, and AI-generated diagrams
The visual canvas for AI agents
Stage
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Founded
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Based in
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Pricing model
Freemium
Free
Pricing
Free: $0 forever, includes all drawing tools, unlimited sketches in one folder, copy to clipboard as PNG, and auto-save with local-first storage. Pro: coming soon.
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Key features
Instant copy-to-clipboard as PNG
No accounts or setup required
Local-first storage with auto-save
Screenshot annotation with arrows, boxes, text, and freehand tools
AI diagram generation via Claude, Cursor, Windsurf, and VS Code
Refine diagrams through chat
Paste screenshot from clipboard
Unlimited sketches in one folder
Native macOS performance
All drawing tools included in free version
Visual canvas for multiple coding agents
Real-time editing and reprompting
HTML and CSS code generation
Design system management
Motion and animation timeline
Web import capability
Comments and feedback on canvas
3D element support
SVG graphics creation
Cross-platform support
What makes it different
Zero-friction design: open, draw, and share in seconds with no setup or accounts
Local-first architecture: all sketches stay on your Mac, nothing leaves unless you ask
AI integration runs through your own subscription with no proxying of prompts
Chalk
Recto