Countdown Timer

Set a countdown timer with alarm.

Countdown Timer

00:00:00

About Countdown Timer

Set a countdown timer with alarm. Enter hours, minutes, and seconds and start the timer. An audio alarm plays when the time is up. Perfect for cooking, studying, workouts, and time management.

Key Features

  • Hours:Minutes:Seconds input
  • Audio alarm
  • Works in background tabs
  • Visual urgency indicator (last 10 seconds)

How to use Countdown Timer

  1. Enter hours, minutes, and seconds.
  2. Click 'Start' to begin the countdown.
  3. The alarm sounds when time is up.

Privacy & Security

All processing happens directly in your browser. Your data never leaves your device and is never uploaded to any server. We have no access to the files you process or the data you enter. This ensures complete privacy and security.

Frequently Asked Questions

Does the alarm work if I switch tabs?

Yes. The alarm uses Web Audio API which works even when the tab is in the background.

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