How do I set the countdown timer?

Enter the hours, minutes, and seconds you want, then press Start. The timer counts down to zero and alerts you when time is up.

Does it alert me when the time is up?

Yes. When the countdown reaches zero, the display changes and an on-screen alert notifies you that time is up.

Can I pause and resume the timer?

Yes. Press Pause to hold the remaining time, then Start again to resume from where you left off. Reset clears it back to your set time.

Does the timer keep running if I switch tabs?

The countdown continues while the page is open. For best results keep the tab open, and the alert will fire when the time ends.

Yes — completely free with no signup and no limit on how often you use it.

Countdown Timer

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Countdown Timer — Simple, Reliable Timing With an Alarm

Sometimes you just need a timer, right now. This free online countdown timer lets you set any duration in hours, minutes, and seconds, then counts down and alerts you when time is up. It has start, pause, and reset controls, works on any device, and runs instantly in your browser — no app to install and no signup.

Set Any Duration

Enter exactly the time you need, from a few seconds to many hours, using the hours, minutes, and seconds fields. Press Start and the timer counts down in a large, clear display you can read from across the room. When it reaches zero, an alert lets you know time is up so you never miss the moment.

Full Control

Pause holds the remaining time when you need to step away, and Start resumes exactly where you left off. Reset returns the timer to your set duration for another round. These simple controls make it flexible enough for interrupted tasks and repeated timing alike.

Everyday Uses

A countdown timer is one of those tools you reach for constantly once it is handy: timing recipes and bakes in the kitchen, structuring workout intervals and rest periods, keeping study or focus sessions on schedule, managing presentations and speeches, or simply reminding yourself to move on from a task. Because it runs in the browser, it is always a click away on whatever device is nearest.

Free, Private, and Instant

There is no cost, no account, and no limit. Everything runs in your browser, so it is private and ready the moment the page loads. Pair it with our online stopwatch and Pomodoro timer to cover every kind of timing you need.

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