15 Second Timer

Summary

Click start and watch a 15-second countdown with a flashing alert when time runs out.

How it works

1. Click "Start" to begin the 15-second countdown.
2. Watch the number and the ring shrink as time passes.
3. Hear a short beep and see the screen flash when it hits zero.
4. Click "Reset" to set the timer back to 15 seconds.
5. Click "Start" again to run it as many times as you need.

Use cases

• Time a short break or a quick task.
• Run a countdown for a game, quiz, or dare.
• Practice speed drills that need a fixed 15-second window.
• Use as a visual cue during presentations or streams.
• Test reaction time or short exercise intervals.

Frequently Asked Questions