Online Timer
Set hours, minutes and seconds, or pick a preset. The timer counts down with a circular progress ring, plays an alarm when done and updates the browser tab title — even when in the background.
The timer runs entirely in your browser. No timer state is sent to a server.
How to use this online timer
- Type your time in hours, minutes and seconds — or tap a preset (1, 5, 10 min, 25 min Pomodoro, 1 hr).
- Click Start. The ring fills as the timer counts down and the tab title shows the remaining time.
- Pause, add +1 minute, or reset at any time.
- When time's up: an alarm sound plays, the page flashes and a desktop notification appears.
Frequently asked questions
Will the timer keep running if I switch tabs?
Yes. The countdown is based on real wall-clock time, so it stays accurate even when the tab is in the background or your computer briefly sleeps.
Can I get a desktop notification when it's done?
Yes. On Start, your browser will ask permission to show notifications. Allow it once and you'll get a popup when the timer finishes.
Does it work without internet?
Yes. Once the page is loaded, the timer runs entirely in your browser and needs no connection.
Can I change the alarm sound?
Yes. Choose between Beep, Chime, Alarm, or Silent. Click any sound to preview it.