Stay active in work apps
Prevent idle status in messaging, collaboration, and remote desktop tools while you step away briefly.
Only works while this tab is open.
Keep Screen On is a free online wake lock that helps keep screen on, keep display on, and keep screen awake without installing anything or creating an account. Pick Always On, Custom, or a display timeout preset, activate browser wake lock, and prevent screen sleep — screen timeout and display timeout stay unchanged.
Browser screen timeout control uses the Screen Wake Lock API to prevent screen dimming, display sleep, auto lock, and system sleep while wake lock is active. Free wake lock runs entirely in browser — no download, no signup, no app install required.
Keep phone awake, keep laptop awake, keep computer awake during long sessions. Need screen always on for display timeout or screen stays awake for hours? Browser wake lock keeps screen active until session ends.
Keep screen awake, stay awake in work apps, messaging, remote desktop, dashboards without display sleep, screen sleep, sleep mode ending session. Browser wake lock helps remain active instead of going idle when display turns off.
Prevent screen dimming, display timeout interruptions during downloads, uploads, backups, updates. Online wake lock keeps display on, reduces idle lock prompts, helps stop screen sleeping — simple way to disable screen timeout temporarily without editing screen timeout settings.
Use no sleep page for presentations, reading, whenever screen always on, keep display on matter. Works on phones, tablets, laptops, desktop computers with Screen Wake Lock support — free wake lock, always available, no signup required.
Screen wake lock prevents screen sleep, display sleep while page stays open. Does not change device settings — screen timeout settings, auto lock rules, power preferences stay same. Wake lock keeps screen on, keeps screen awake until page closes.
Some devices may still enforce auto lock, system sleep through security policies. For most users, browser wake lock is enough to keep screen on, prevent screen dimming, stop screen sleeping during presentations, monitoring dashboards, remote desktop sessions, long background tasks.
Keep Screen On relies on the Screen Wake Lock API. Support varies by browser and OS — this matrix summarizes typical availability for the free online tool.
| Browser | Desktop | Mobile / tablet |
|---|---|---|
| Chrome | Supported | Supported on Android |
| Edge | Supported | Supported where Wake Lock is available |
| Firefox | Supported on recent versions | Limited / version-dependent |
| Safari | Supported on recent macOS | Supported on recent iOS / iPadOS |
| Samsung Internet | — | Supported on Android |
Choose how long the browser should hold a wake lock. Every mode runs in-page — no signup, no download.
No time limit — wake lock stays active until you stop it or close the tab.
Best for: Dashboards, monitoring, long remote sessions
Pick an exact duration with the time picker, then start when ready.
Best for: Meetings, downloads, timed presentations
Quick display-timeout style durations without opening system settings.
Best for: Short tasks when you already know how long you need
Practical situations where a temporary browser wake lock is enough — without touching system screen timeout settings.
Prevent idle status in messaging, collaboration, and remote desktop tools while you step away briefly.
Keep the display from sleeping mid-transfer so progress dialogs and system prompts stay visible.
Hold the screen awake for decks, kiosks, and live demos without editing power settings beforehand.
Leave recipes, scores, dashboards, or logs on-screen without constant taps to wake the device.
Same free wake lock flow across device-specific pages for iPhone, Android, Mac, Windows, and Linux.
Open the page, start a session, and stop whenever you are done — nothing to install or register.