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Pomodoro Timer

Details

How to use Pomodoro Timer

What the tool does, how to run it, and what to expect from the result.

How to use the Pomodoro timer

Press Start and the timer counts down 25 minutes of focus, switches to a 5 minute break on its own, and then returns to focus. The current phase is labelled above the clock, and Reset takes you back to a fresh focus period.

The technique works because the boundaries are hard, and the boundaries here are visual only: there is no sound and no notification. Keep the timer where you can see it, and if you are following the full method, keep count of your pomodoros so you can take the long break after the fourth one.

  • Press Start to begin a 25 minute focus phase.
  • Work until the clock hits zero, at which point the timer switches to a 5 minute break by itself.
  • Keep the tab visible, since the phase change is silent and hidden tabs are throttled.
  • Count your own cycles and take a longer break of 15 to 30 minutes after four focus phases.
  • Press Reset to return to a fresh focus phase at any point.
Tips

Getting a better result out of Pomodoro Timer

Specific settings and thresholds, not general advice.

  • The cycle is fixed: 25 minutes of focus, then a 5 minute break, then back to focus, and it repeats indefinitely. The phase switches by itself the moment the countdown reaches zero, and the current phase is shown above the clock.
  • The classic technique adds a long break of 15 to 30 minutes after four pomodoros, and this timer has no such phase and no cycle counter. If you follow the method properly, you have to count the rounds and take the long break yourself.
  • Each phase change chimes. The switch from focus to break, and back, plays a short tone, which matters for a technique built on hard boundaries you are meant to respect without watching a clock.
  • Time is measured against the browser's high-resolution clock rather than counted in fixed steps, so the 25 minutes really is 25 minutes even if the tab is throttled. What throttling delays is the phase change itself, which can land up to a minute late in a hidden tab.
  • A backgrounded pomodoro only advances one phase per tick, so if you leave the tab hidden for half an hour and come back, it will not have run through several focus and break cycles. It sits on the phase it was in and switches once. Keep the tab visible for the timer to behave as intended.
Limits

What Pomodoro Timer does not do

The honest boundary, so you do not lose time finding it yourself.

  • 25 and 5 minutes are hard-coded. There is no way to change the focus or break length.
  • No long break after four cycles, and no cycle counter at all.
  • No browser notification and no title-bar indicator. The chime plays, but the tab must stay open.
  • No task list, no session log, and no persistence. Reloading the tab resets the timer to a fresh 25 minute focus phase.
At a glance

Who Pomodoro Timer is for

A quick way to understand who this helps, what it solves, and where it connects next.

Best fit

Students, remote workers, cooks, and anyone who needs a quick timer.

Ideal for

A reliable timer without installing an app or signing up.

FAQ

Common questions

Short answers for the questions people usually have before trying a utility like this.

Can I change the 25 and 5 minute lengths?

No, they are fixed. Those are the intervals from the original technique, and this timer implements exactly them with no customisation.

Where is the long break?

There is not one. The method calls for a longer break after every fourth pomodoro, and this timer alternates focus and short break indefinitely without counting cycles. You would need to track the rounds and take the long break on your own.

Will it tell me when to stop working?

Yes, it chimes at each phase change, so you do not have to keep the tab visible to catch the switch. Browsers throttle background timers, so the transition can land a few seconds late.

Does it keep cycling if I leave the tab?

Not reliably. It measures real elapsed time, so the current phase completes correctly, but it only advances one phase per timer tick, and browsers throttle hidden tabs heavily. Leave it in a visible tab or a separate window if you want it to run through several cycles.

Does it save my sessions?

No. There is no log and no persistence, so reloading the page returns to a fresh 25 minute focus phase with no history.

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