Keep Awake – Prevent Screen Sleep
✓ Free Screen Keep Awake & Anti-Sleep Tool
Keep your screen awake with Wake Lock API + fallback. Shows precise current time and accumulated awake time. Fullscreen mode.
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Wake Lock API — Uses the browser Wake Lock API to prevent screen sleep when supported.
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Current Time — Shows precise current time updating every second, even when screen would normally dim.
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Accumulated Time — Tracks total time the screen has been kept awake this session.
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Fullscreen Mode — Fullscreen immersive mode for presentations or wall display.
Full guide, how-to & FAQ →
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