Hold a screen wake lock in Chrome for a focused session, with no extension required.
Ready. Choose a duration and press Start.
ChromeOS is built around Chrome, so a visible web page can use the Screen Wake Lock API to prevent the display from dimming during a task.
Closing the lid or letting ChromeOS suspend can still pause local activity. Use ChromeOS power settings when the device, not only its screen, must remain awake.
Open this page in Chrome, choose a duration, and press Start.
Use split screen if you need another web app alongside the wake-lock page.
For downloads or local Linux tasks, confirm that idle sleep and lid behavior match your needs.
No. Current Chrome versions can request a screen wake lock directly from a visible web page.
No. Closing the lid normally suspends the Chromebook; a screen wake lock is intended for a visible display.
Yes for keeping a visible kiosk display awake, but managed devices may also need an administrator power policy.