20 minute timer
A free 20 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 20 min timer, timer 20 minutes.
What a 20 minute timer is good for
- The classic power nap length
- Baking cookies or roasting vegetables
- A full yoga flow
- A focused study block with a 5‑minute break after
- A presentation rehearsal
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: Pair it with the 20‑20‑20 rule: every 20 minutes, look 20 feet away for 20 seconds.
Frequently asked questions
How do I start the 20 minute timer?
Press the Start button or hit the Space bar. The 20 minute countdown begins immediately and an alarm sounds when it reaches zero. Press Space again to pause.
Will the 20 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 20 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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