30 Second Timer

Click start and watch a 30-second countdown with a flashing alert when time runs out.

30 Second Countdown

30

Summary

Click start and watch a 30-second countdown with a flashing alert when time runs out.

How it works

  1. Click "Start" to begin the 30-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 30 seconds and run it again.

Use cases

  • Time a plank hold or a short exercise interval.
  • Run a countdown for a game, quiz, or dare.
  • Time a handwashing or brushing routine.
  • Set a limit for a lightning round in a meeting or classroom.
  • Use as a visual cue during presentations or streams.
  • Practice a 30-second elevator pitch.

Frequently Asked Questions

Last updated: 2026-07-21 · Reviewed by Nham Vu