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Annotate

A desktop annotation utility for drawing on any screen or app during reviews and walkthroughs.

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Annotate is built around fast feedback: mark the screen, explain the thought, and move on.

The design challenge is keeping tools close without making the overlay feel heavy during calls or recordings.

Technical approach: Custom canvas rendering with optimized drawing paths, keyboard shortcuts for tool switching, and minimal UI footprint.

Cross-platform input handling for consistent drawing experience across macOS and Windows pointer events.

#Product#Desktop#Utility#Canvas#Input