Prevent Your Screen from Going to Sleep

It uses the Web Wake Lock API, a browser standard that prevents your device from sleeping. On older browsers, it falls back to playing an invisible silent video, which also prevents sleep.

Keeping the screen on will use more battery than letting it sleep, similar to watching a video. Use the brightness slider to reduce power consumption. The Wake Lock API itself uses minimal resources.

Yes! Safari on iOS supports the Wake Lock API. The video fallback also works on older iOS versions. Make sure the browser tab stays in the foreground.

Yes, completely free with no ads, no registration, and no data collection. Everything runs in your browser —

Absolutely! You can set any custom duration — minutes, hours, or days. Or choose "Forever" to keep the screen on indefinitely until you manually turn it off.

The Wake Lock API requires the browser tab to be visible. If you switch to another app, the screen lock may re-engage. Keep the browser tab open and visible for best results.

Optional quiet audio pulses help keep the audio session alive on mobile devices. They can also serve as a gentle ambient sound. You can keep them off if you prefer silence.

It is useful for reading long articles, following recipes while cooking, giving presentations, monitoring dashboards, keeping maps visible while driving, or any situation where you need your screen to stay on.