Caffeinate — Keep Screen Awake

Keep your screen awake. Set a timer or run forever — one tap to start, one to stop.

Caffeinate keeps your screen awake — just like the macOS caffeinate command, now in your browser. One tap to start. One tap to stop. FEATURES • Instant toggle — click the icon to keep your screen awake • Timer presets — stop after 30m, 1h, 2h, or 4h • Run forever — no timeout, stays on until you stop it • Keep screen lit — prevents display from dimming, not just the system • Live countdown — see exactly how much time is left • Lightweight — no bloat, no tracking, no account needed PERFECT FOR • Video calls where you step away from keyboard • Presentations and demos • Reading long articles or documentation • Watching content without mouse movement • Monitoring dashboards and build logs HOW IT WORKS Uses the Chrome Screen Wake Lock API via an offscreen document — the most reliable way to prevent sleep across all platforms. Works on Windows, Mac, Linux, and Chromebook. No permissions to read your browsing data. No analytics. No ads. Ever. Made with ❤️ by Subrahmanya Bhat Support the developer: https://buymeacoffee.com/subrahmanya Tags: screen awake, prevent sleep, wake lock, caffeinate, screen on, presentation, focus