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tiny-tool

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Blinky is a tiny, fully offline Windows utility that follows the ophthalmologist-backed 20-20-20 rule: every 20 minutes, look at something 20 feet away for 20 seconds. This app enforces that automatically by dimming the screen to black with a calm countdown overlay. 100% offline. No telemetry, no accounts, no network calls of any kind.

  • Updated Aug 9, 2026

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