Back to Classroom Tools
Timer / Stopwatch
Countdown timer and stopwatch for classroom activities. Presets, custom duration, and alarm sound.
Quick Presets
Custom
Hours
:Minutes
:Seconds
00:00Set a duration to start the timer
All data is processed in your browser. Nothing is uploaded to any server.
Classroom Timer — Countdown for Activities
Countdown timer for classroom activities. Fullscreen mode, sound alerts, and pause/resume.
- ✓100% free, no sign-up required
- ✓Runs entirely in your browser — no file upload to server
- ✓Fast processing with instant results
- ✓Works on desktop and mobile
- ✓Privacy-first: your data never leaves your device
Is this tool really free?
Yes, completely free with no hidden charges, watermarks, or file limits.
Where are my files processed?
All processing happens locally in your browser. Nothing is uploaded to any server.
Do I need to create an account?
No account required. Just open the tool and start using it immediately.