A native macOS drawing app for quick sketches, screenshot markup, and AI-generated diagrams
Free grid drawing tool to copy reference photos onto paper or canvas
Stage
Not given
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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.
Not given
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
Customizable grid with rows and columns
Cell labeling with A1 style labels
Step-by-step cell drawing mode with progress saved
Black and white and value study filters
Multiple export formats: PNG, JPG, PDF
Diagonal guide lines in cells
Canvas size matching for paper dimensions
Works on tablets and phones
Rule of thirds and golden ratio overlays
Full-size tiled PDF for murals
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
Runs entirely in browser with no server uploads
Free with no account, watermark or paywalled features
Chalk
Grid for Artists