Free online CAD in your browser with no account or installation required
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
2D drafting with lines, circles, polylines and arcs
DXF and DWG file support
Layers, dimensions, blocks and hatching
Object snaps and coordinate input
Local file storage and download
Private cloud save with optional account
Runs in Chrome, Edge, Firefox or Safari
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
Completely free with no subscription or account requirement
Open-source licensed under MIT or Apache-2.0
No download or installation needed
Runs locally in your browser
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
CADCraft
Chalk