A native macOS drawing app for quick sketches, screenshot markup, and AI-generated diagrams
Free browser-based tools for creating charts, diagrams and converting images to vector files
Stage
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Founded
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Based in
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US
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.
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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
Pie chart maker with percentages, labels and legend
Bar graph maker with grouped, stacked and horizontal bars
Line graph maker for trends over time with multiple series
Scatter plot maker with line of best fit and R²
Graphing calculator with equations, roots and intersections
PNG to SVG converter with transparent background preservation
Image vectorizer for photos, sketches and logos
Gantt chart maker for project plans with dependencies
Venn diagram maker for two or three sets
SVG to PNG, JPG, PDF and other format converters
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
Private by design: all processing happens on user's device with no data sent to servers
Real vector files: every export available as SVG with editable shapes and live text
No sign-up required and no watermark on exports
Color vision deficiency checked defaults with automatic dark or white text
Share with a link: copy link puts entire chart in address for editing and sharing
Chalk
graphsmith