Classroom Timer
The Classroom Timer is a free online countdown timer built for teachers. Set quick presets for common activities, switch to stopwatch mode, and show big readable digits on your projector. No signup needed.
Classroom Timer
Free for teachers, no signup
Tip: project this page on your classroom screen. Press Fullscreen for a big distraction-free display. A gentle chime plays when the countdown ends. Everything runs in your browser, nothing is uploaded.
How to use the classroom timer
- Pick a preset time or set your own minutes and seconds.
- Press Start. Pause or reset anytime during the activity.
- Use the fullscreen button for a projector-friendly display.
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Frequently asked questions
How do I use the classroom timer?
Pick a preset or set your own time, then press Start. You can pause, reset, or switch to stopwatch mode at any point.
Does the timer play a sound when time runs out?
Yes. It plays a gentle chime when the countdown reaches zero, so the class hears it without a harsh alarm.
Can I show the timer fullscreen on my projector?
Yes. Click the fullscreen button to fill your projector screen, then press Esc or click the button again to exit.
Does the classroom timer work offline?
Once the page has loaded, the timer keeps running in your browser even if your connection drops.
Is the classroom timer really free?
Yes, it is completely free to use, with no signup and no limits.