Never let the display sleep mid-slide. Start the wake lock before you present and your screen stays on the whole time.
Ready. Choose a duration and press Start.
Nothing breaks a presentation like the screen dimming or the lock screen appearing while you talk. System timeouts are easy to forget to change.
Open this page before you start, press Start, and keep the tab visible — your display stays awake for the entire session.
Keep slides on screen during long talks.
Avoid the lock screen interrupting a demo.
Keep a display awake at events and stands.
Match the timer to your talk length.
Yes, while the tab is visible. For mirrored displays also check OS power settings.
Start it first, then switch to your slides in the same window where possible, or keep this tab visible.
Yes, on browsers that support the wake lock API.