30 minute timer
A free 30 minute timer that starts with one click. Big, clear digits, a progress ring, a loud alarm you can choose, and a countdown that keeps going in your tab title. Also searched as 30 min timer, timer 30 minutes.
What a 30 minute timer is good for
- A half‑hour meeting that actually ends on time
- Cardio sessions
- A study or writing block
- Oven dishes like chicken thighs or a frittata
- Screen‑time limits
How to use it
- Start / pause: click Start or press Space.
- Reset: press R.
- Fullscreen: press F for a wall‑size display.
- Repeat: tick Repeat for back‑to‑back intervals.
- Alarm: pick Beep, Bell or Chime — or Silent with a desktop notification.
Tip: A running timer survives a page reload — the end time is stored in your browser.
Frequently asked questions
How do I start the 30 minute timer?
Press the Start button or hit the Space bar. The 30 minute countdown begins immediately and an alarm sounds when it reaches zero. Press Space again to pause.
Will the 30 minute timer keep running if I switch tabs?
Yes. The remaining time is shown in the tab title, and if you reload the page the timer resumes from where it was. Turn on Notify to get a desktop notification when it ends.
Can I change the 30 minute timer to a custom time?
Yes. Click the digits to edit hours, minutes and seconds, or press a number key from 1 to 9 to set that many minutes. You can also open any page with ?m=12&s=30 in the address bar.
Does this timer work on a phone?
It works in any modern browser on iPhone, Android, tablets and desktops, with no app or sign‑up. Keep the screen on for the alarm to sound on mobile.
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