Countdown Timer - Free Online Timer

Quick Presets

01:00:00

01Hours

00Minutes

00Seconds

⏰ Countdown Timer

Set custom time or use quick presets. Timer persists across sessions and will sound an alarm when complete. Perfect for cooking, workouts, study sessions, or any timed activity.

How to use the countdown timer

Set a duration, start the countdown, get an alert when time is up. That's it.

01
Set the duration
Use the quick presets (1 min, 5 min, 10 min, etc.) or enter a custom hours, minutes, and seconds value.
02
Start the countdown
Click Start. The timer counts down and plays an alert sound when it reaches zero.
03
Pause or reset
Click Pause to hold the countdown, or Reset to start over with the same duration.

Frequently asked questions

Free, no account needed.

Yes. An alert sound plays when the countdown reaches zero, even if the tab is in the background.

Yes. Once the page is loaded, the timer works without an internet connection.

No — the timer keeps running. The alert will play when it finishes regardless of which tab is active.

Yes. Enter hours, minutes, and seconds for any duration you need.

Yes, in any modern mobile browser.

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