A native macOS drawing app for quick sketches, screenshot markup, and AI-generated diagrams
Stage
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Founded
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Based in
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Pricing model
Free
Freemium
Pricing
Not given
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.
Key features
PNG, SVG, and JPG export formats
Local MathJax rendering with no upload
Copy HTML for inline embedding with alignment
Recent formulas stored in browser
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
What makes it different
Browser-local rendering with no formula upload for privacy
Three professional export formats for different use cases
Simple focused workflow without full LaTeX editor overhead
Copy-to-clipboard support for seamless workflow integration
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
LaTeX To Image
Chalk