Keep Awake — free browser extension

Keep Awake

Stop your screen from sleeping — one toggle, optional timer

See It in Action

Keep Awake Chrome extension screenshot showing the popup interfaceKeep Awake Chrome extension screenshot showing the popup interface

The Problem We Solve

Presentations. Long reads. Dashboards. Don't let your screen go dark. One tap to keep your screen on. One tap to turn it off. Pick a timer or leave it on forever.

What Keep Awake Does

Built with precision to solve real problems without adding complexity.

One-Click Activation

Toggle screen wake with a single click. Large power button in popup for instant on/off.

Timer Presets

Choose from 30 minutes, 1 hour, 2 hours, or Indefinite. Timer auto-disables when expired.

Screen Wake Lock API

Uses the modern navigator.wakeLock API when available for clean, efficient wake prevention.

Video Fallback

Falls back to a hidden muted video element when Wake Lock is unavailable. Best-effort compatibility.

Active/Inactive Icons

Toolbar icon changes between sun (active) and moon (inactive) so you know the status at a glance.

Optional Activity Simulation

Simulate activity toggle for web presence indicators that track idle time.

Perfect For

Keep Awake is designed for anyone who wants a better browsing experience. Here are just a few ways people use it.

Presentations and screen sharing

Long downloads and uploads

Following recipes while cooking

Reading long articles without the screen dimming

How It Works

1

Install the Extension

Add Keep Awake to your browser from the Chrome Web Store, Firefox Add-ons, Microsoft Edge Add-ons, or Safari Extensions Gallery. The installation takes seconds and requires no technical knowledge.

2

Configure Your Settings

Click the extension icon in your browser toolbar to access the settings. Adjust the options to match your preferences. Most users find the defaults work perfectly.

3

Enjoy the Benefits

That is it. The extension runs quietly in the background, doing exactly what you installed it for. No complicated workflows, no learning curve.

Frequently Asked Questions

Common questions about Keep Awake. Have a question that is not answered here? Contact us and we will help.

Yes. Completely free, forever. No ads, no premium tier.
Keep Awake prevents the sleep signal but does not increase screen brightness or CPU usage. Battery impact is minimal compared to normal usage.
No. Keep Awake works at the browser level and never touches your system power settings. It uses the Screen Wake Lock API, not chrome.power.
Yes. Timer mode lets you keep awake for 30 minutes, 1 hour, or 2 hours, then it turns off automatically. You can also choose Indefinite for manual control.
Alt+Shift+K toggles Keep Awake on or off from anywhere. No need to open the popup.
Keep Awake works on normal http and https pages. It intentionally does not run on restricted pages like chrome:// URLs or the Chrome Web Store.

Extension Size

~52 KB

Lightweight and fast. No bloat, no unnecessary files.

Permissions

storagealarmsscripting

Minimal permissions required for functionality. No broad host access.

Works With Your Browser

Keep Awake is built using the WebExtensions API, which means it works seamlessly across all major browsers. Use it on Chrome at work, Firefox at home, or Safari on your Mac. The experience is identical.

Chrome
Firefox
Edge
Safari

Try Keep Awake

Keep Awake will be available on the Chrome Web Store soon. Check back for the install link.