Pomodoro Focus Timer
This Pomodoro timer runs 25 minute focus sprints separated by short breaks, with a longer break after every fourth session. A colored progress ring counts down while a row of dots tracks how far you are into the current cycle. Adjust the focus, short break, and long break lengths to match how you actually work.
How to use the Pomodoro timer
- Press Start to begin the countdown for the current phase (a 25 minute Focus session by default).
- Watch the ring drain and the tab title update, then take the Short Break the timer switches to when Focus ends.
- Keep the 'Auto-advance to the next phase' box ticked so Focus and break phases chain without pressing Start each time.
- After every four completed focus sessions the timer gives you a Long Break instead of a short one.
- Change Focus, Short break, Long break, or 'Long break every' in the settings grid to build a custom cycle.
- Use Skip to jump to the next phase, Reset to return to a fresh Focus session and zero the counter.
Examples
Classic 25 / 5 / 15 cycle
Focus 25, Short break 5, Long break 15, Long break every 4
Focus counts down from 25:00, then a 5:00 short break; the 4th focus session is followed by a 15:00 long break
Deep-work cycle with a long break every 3
Focus 50, Short break 10, Long break 30, Long break every 3
Three 50:00 focus sessions each split by a 10:00 short break, then a 30:00 long break
Sessions remaining until the next long break
3 focus sessions completed, Long break every 4
1 focus session until a long break
Frequently asked questions
What is the Pomodoro Technique?
It is a time management method that breaks work into focused intervals, traditionally 25 minutes, separated by short breaks, with a longer break after every fourth interval. Each completed focus interval is called a pomodoro, after the tomato-shaped kitchen timer its creator used.
Can I change the 25, 5 and 15 minute defaults?
Yes. The four settings fields let you set Focus, Short break, and Long break anywhere from 1 to 180 minutes, and 'Long break every' from 1 to 12 sessions. Values outside those ranges are clamped, and a fresh idle phase updates its countdown the moment you change its length.
When exactly does the long break trigger?
After every fourth completed focus session by default. The counter only advances when a Focus phase finishes, so breaks never move you toward the long break. Set 'Long break every' to 3 to get a long break after every third focus session instead.
What do the dots and the 'sessions until a long break' line mean?
The dots show your position within the current cycle, filling in as you complete focus sessions and resetting after each long break. The line below counts down how many focus sessions remain before the next long break, always between 1 and your 'Long break every' value.
Will the timer stay accurate if I switch tabs?
Yes. It records the wall-clock instant each phase should hit zero and recomputes the remaining time from your device clock several times a second, so background-tab throttling does not slow it down. The countdown also appears in the browser tab title.
Why do I hear a chime, and can I turn it off?
A gentle two-note chime plays when a phase ends, generated with the Web Audio API so there are no sound files to load. Untick 'Chime when a phase ends' to silence it. Some browsers only allow sound after you have interacted with the page.
What is the difference between Skip, Pause and Reset?
Pause freezes the current countdown so Start resumes it. Skip ends the current phase immediately and moves to the next one, counting the focus session if you skip out of Focus. Reset returns you to a full Focus session and sets the pomodoro counter back to zero.
Does it remember my sessions after I close the tab?
No. The completed-pomodoro count and your settings live in the page only, so refreshing or closing the tab starts a fresh count. The 'completed today' number is a within-session tally, not a saved log.
Is my activity tracked or uploaded?
No. The timer runs entirely in your browser and nothing about your sessions is sent anywhere. There are no accounts, cookies for tracking, or server calls involved in running the clock.
Learn more
- The Pomodoro Technique: how the 25/5 cycle works
How the Pomodoro Technique structures focus and rest, why 25 and 5 minute intervals work, and how to adapt the cycle without breaking it.
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