Yuzool

12 minute timer

A 12 minute countdown with an alarm. Press Start, or pick another length below.

Quick start

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About this 12 minute timer

Twelve minutes is the length of the Cooper running test and a reliable hard-boiled egg.

Good for:

  • The Cooper test: how far you can run in 12 minutes
  • Hard-boiled eggs with a firm yolk
  • A short power-yoga flow
  • Timed board game turns

How it works

The page opens with 12:00 ready in the big view. Press Start (or Space on a keyboard) to begin, and again to pause. When time is up an alarm rings until you press Stop, or +1 min for a little longer. Close the big view for more timers, a stopwatch and countdowns.

It keeps the right time with the tab in the background and after a reload. Phones may pause a page while they're locked, so keep this page open (or turn on Keep screen on in Settings) for an alarm you can't miss. Nothing is uploaded and there's no account.

Other timer lengths

10 seconds20 seconds30 seconds1 minute2 minutes3 minutes4 minutes5 minutes7 minutes10 minutes12 minutes15 minutes20 minutes25 minutes30 minutes40 minutes45 minutes1 hour90 minutes2 hours

Need a different length? Open the full Timer, or add ?t= to its address: /timer/?t=8m.