Run focused classroom activities with a clean, high-contrast countdown that works on any screen.
Select a preset or enter custom minutes, then start the countdown.
Keyboard shortcuts: Space = Start/Pause/Resume, R = Reset, F = Fullscreen.
Timestamp-based timing avoids drift so your lessons stay on schedule.
Muted projector-ready palette with large, high-contrast digits.
Visual one-minute warning and a Time's Up state with optional sound.
Quick bell-ringer tasks, group rotations, silent reading blocks, station transitions, and classroom game rounds.
The countdown is based on high-resolution timestamps instead of set intervals, so it won't drift over time.
Yes. The layout is responsive and works well on mobile, tablets, and interactive whiteboards.
Once the page loads, it will keep working in your browser even without an internet connection.
This classroom activity timer gives you a big, distraction-free countdown for quick tasks, transitions, and centers. Choose a preset time or enter your own minutes, then start the timer with clear visual cues and a simple Time's Up alert.
The display is designed for projectors and classroom screens with a muted palette, large digits, and a subtle warning when one minute remains. Everything runs locally in your browser, so you can open it on any device without installing apps.
Use fullscreen mode for maximum visibility, pause and resume as needed, and reset instantly between activities. The countdown stays accurate thanks to timestamp-based timing.
