Quick fullscreen
5 minTotal
5 min
A 5-minute full screen countdown for a quick activity or reset.
Large timer for any display
Free Full Screen Countdown Timer
Use a full screen countdown timer for presentations, classrooms, workshops, events, meetings, and shared displays. Start with a readable countdown and create an XTimer room when another device should control the screen.
Built for this job
Participants can read the timer from across a room.
Hosts can turn any browser display into a large countdown.
XTimer rooms add separate controller and viewer links for full screen displays.
Fullscreen session
Ready for class
20:00
0% complete
A 20-minute full screen countdown for talks, classes, and workshops.
Visual timer presets
Controls
Create controlled roomUse this setup in XTimer
Need a controller link, viewer display, or shared room?
Keep this simple timer for quick work. Move into an XTimer room when one person controls the clock and another screen shows it to a speaker, team, class, or audience.
Presets that match real work
Start from a timer people already understand.
Each preset has a clear use case, duration, and workflow. That makes the page useful for search visitors immediately, and gives professional users a natural path into XTimer rooms when they need separate controller and viewer devices.
Fullscreen session
20 minTotal
20 min
A 20-minute full screen countdown for talks, classes, and workshops.
Fullscreen hour
1 hourTotal
1 hour
A 60-minute full screen timer for longer sessions and room displays.
Professional setup
Use the simple timer first, then graduate to controlled timing.
Use high contrast when the timer is projected or shown to a large audience.
Keep the timer label short enough to read at distance.
Test fullscreen mode before the session starts.
Use XTimer rooms when the display is not the device used to control the timer.
Frequently asked questions
What is a full screen countdown timer?
A full screen countdown timer fills the display with a large timer so a room, class, audience, or remote group can read the remaining time.
Can I use this timer on a projector?
Yes. Use fullscreen mode for one device or create an XTimer room when the projector display should be controlled from another device.
Can the timer be controlled remotely?
Yes. Create an XTimer room to use separate controller and viewer links for a full screen countdown.