Countdown Alarm Timer
Run custom countdowns or select quick-minute presets. Features built-in synthesizer alarms upon completion.
Processed locally in your browser — nothing is uploaded.
How to Use
- Set hours, minutes, and seconds, or click a preset shortcut.
- Click Start Timer to begin.
- Pause or dismiss the timer as needed.
FAQ
How does the alarm work?
It uses the browser Web Audio API to synthesize active beep frequencies without loading heavy audio files.
Can I pause the timer?
Yes. You can pause the timer and resume at any point.