Turn photos into printable black-and-white coloring pages, privately in your browser
A native macOS drawing app for quick sketches, screenshot markup, and AI-generated diagrams
Stage
Not given
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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
Convert photos to black-and-white outlines for coloring
Adjustable detail, line thickness, and style settings
Multiple output formats: PDF and PNG
Three conversion styles: Outline, Sketch, and AI Model
Gallery of 160 ready-made printable coloring pages
Browser-based coloring canvas with undo and palette
Chrome extension for right-click conversion
No account or sign-up required
Portrait or landscape orientation on A4 or US Letter
AI Model downloads about 30 MB to run locally on first use
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
All processing runs in your browser with no image uploads or server storage
No sign-up, account, or watermark required
Real-time preview while adjusting settings
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
Coloring Page Maker
Chalk