Free browser-based QR tools for 3D printing, Matter setup codes, and batch generation
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
QR Code to STL generator for 3D printing
Matter setup QR generation and decoding
Private QR code generator without redirect links
Barcode to STL converter for Code 128, EAN-13, and UPC-A
Crypto payment QR generator for Bitcoin, Ethereum, and Lightning
Browser-side QR payload generation
STL, SVG, and PNG export formats
Physical scanability guidance and print profiles
No account or login required
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 QR generation occurs in the browser with no server-side processing or data collection
Specialized tools for physical QR code outputs like 3D prints and Matter device setup
Practical print profiles and scanability guidance for different real-world use cases
No redirect service inserted into static QR codes
Built-in validation checks and task-specific guidance for printing and device setup
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
priv QR
Chalk