Reprogramming your cursor into a cross-app tool: carry screenshots, jot notes anywhere

HaijunXia · x · 2026-11-06

Developer rrrima reprogrammed their cursor to do two useful things: carry a screenshot (double-click to drop it, shake to toss it) and jot notes in any app's margin, keeping time and source automatically. Their insight: the cursor is the one thing present in every app, making it ideal for solving cross-app pains. A neat pattern for anyone building cross-application productivity hacks.

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