20 Second Timer

Summary

Click start and watch a 20-second countdown with a flashing alert when time runs out.

How it works

1. Click "Start" to begin the 20-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 "Pause" at any time and "Resume" to continue from where you left off.
5. Click "Reset" to set the timer back to 20 seconds and run it again.

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 20-second window.
• Time a handwashing routine or a quick stretch.
• Use as a visual cue during presentations or streams.
• Test reaction time or short exercise intervals.

Frequently Asked Questions