Can I use this as a Pomodoro timer?

Yes! Set 25 minutes for work, then 5 minutes for a break. Repeat 4 times and take a longer 15-30 minute break.

Will the timer alert me when done?

The timer shows "Time's Up!" with a red color when it reaches zero. Browser notifications are not currently implemented.

Does the timer work in background tabs?

Yes, it uses setInterval which continues running in background tabs in most browsers.

Can I add time while the timer is running?

Yes! Click the + button to add 1 minute to the current time at any point.

What is the maximum timer duration?

You can set any hours, minutes, seconds combination. There is no maximum limit in the custom input.

ToolsArena

Countdown Timer

A simple, beautiful countdown timer with circular progress and presets.

05:00100% remaining

Custom Time

Hours

Minutes

Seconds

How to Use Countdown Timer

1
Click a quick preset (1 min, 5 min, 25 min, etc.)
2
Or enter custom hours/minutes/seconds and click "Set Timer".
3
Press the Play button to start.
4
Use Pause, Reset, or +1 min buttons as needed.

About Countdown Timer

Set a countdown timer with quick presets (1 min to 1 hour) or enter a custom hours/minutes/seconds value. A circular progress ring shows time remaining visually. Pause, resume, reset, or add 1 minute on the fly. Works entirely in your browser.