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Pomodoro Timer for PC

A focus timer that runs in your browser, with nothing to install. Set your intervals, press start, and let the sound and desktop alert tell you when to stop.

25:00
Focus session
Sessions today0
Focus time today0 min
Round1 of 4
Settings

Shortcuts: Space start or pause · R reset · S skip. Settings are saved in this browser only.

What the Pomodoro technique is

The Pomodoro technique is a time management method built on one simple loop: work for a set stretch, stop completely for a short break, repeat, and take a longer break after every fourth round. Francesco Cirillo developed it as a university student in the late 1980s, timing his study sessions with a tomato-shaped kitchen timer. Pomodoro is Italian for tomato, and the name stuck.

The standard cycle is 25 minutes of focus, a 5-minute break, and a 15 to 30 minute break after four sessions. Each completed 25-minute block is one "pomodoro", and the count becomes a rough measure of how much real work a day contained.

The rules are deliberately strict. During a session you work on one thing. If something interrupts you, you note it and return to it later. If you abandon a session, it does not count. The strictness is the point: it turns a vague intention to concentrate into a specific, finite commitment that is easy to start.

This Pomodoro timer for PC runs in your browser, so there is nothing to download, no account and no software to keep updated. It works on Windows, macOS, Linux and ChromeOS, keeps accurate time in a background tab, and tells you when an interval ends with a sound and a desktop notification.

How to use this Pomodoro timer

  1. Name the task. Type what you are working on. Naming one specific thing, such as "draft the pricing section", beats a vague label like "work" because it removes the decision you would otherwise make at minute three.
  2. Press Start. The dial empties as the session runs and the tab title counts down, so you can check progress without switching to the tab.
  3. Work on that one thing. No email, no messages, no quick checks. If something comes up, jot it on a notepad and carry on.
  4. Stop when it ends. You get a sound and, if you enable them, a desktop notification. The timer moves to a break automatically unless you turn that off.
  5. Actually take the break. Stand up, look out of a window, get water. Staying in the same window reading something else is not a break.
  6. Repeat, and watch the counter. After four focus sessions you get a long break. The stats row shows how many sessions and how many focused minutes you have logged today.

Keyboard shortcuts keep your hands where they are: Space starts or pauses, R resets the current interval, S skips to the next one. They are ignored while you are typing in the task box.

Your interval lengths, toggles and today's count are stored in your own browser, so the page remembers your setup the next time you open it. Nothing is uploaded, and clearing your browser data clears it.

Why a timer makes a difference

Several ordinary things make this method more effective than trying harder.

  • Starting gets easier. Committing to 25 minutes is a much smaller decision than committing to "finish the report". Most procrastination is resistance to starting, not to the work itself.
  • The deadline is visible. A ticking countdown creates mild, useful urgency. Work tends to expand to fill available time, and a fixed interval takes that room away.
  • Interruptions get a home. Writing down a distraction instead of chasing it satisfies the urge without breaking the session. Most of those notes turn out not to matter.
  • Breaks are scheduled rather than improvised. Attention fades whether or not you rest, so planned pauses beat unplanned drifting into a feed.
  • You get honest data. Counting completed sessions shows where the day really went, which is usually a surprise the first few times.

None of this requires believing that 25 minutes is a magic number. The mechanism is the boundary itself: one task, one interval, a definite end.

Choosing your intervals

25 and 5 is a starting point, not a law. Adjust it to the work and to yourself.

PatternSuits
25 / 5The classic. Good for mixed tasks, admin, study and anything you keep putting off.
50 / 10Deep work such as writing, coding or design, where 25 minutes barely gets you warmed up.
90 / 20Long creative or analytical blocks, for people who can hold attention that long without fading.
15 / 3Low-energy days, heavy resistance, or tasks you genuinely dislike. A short session you finish beats a long one you abandon.

Two practical rules when you experiment. First, keep the ratio roughly five to one between focus and break; much shorter breaks stop being restorative. Second, change one variable at a time and give it a few days before judging it, because a single bad afternoon says more about the afternoon than about the interval.

Handling interruptions

Interruptions come from outside and from inside, and they need different handling.

Internal interruptions

These are the ones your own brain produces: a sudden memory of an unanswered email, a thought about lunch, the urge to check a score. The standard response is to write it on a pad, mark it, and continue. The thought stops competing for attention once it is recorded, and at the end of the session you deal with anything that still matters.

External interruptions

Cirillo's advice is a four-step response: inform the person you are in the middle of something, negotiate a time to get back to them, schedule it, and then actually call back. It works surprisingly well in an office and works just as well on a message: "In the middle of something, I will reply in twenty minutes" is rarely a problem for anyone.

Practical support for this: close your email client and messaging app during a session rather than relying on willpower, silence your phone and leave it out of reach, and put a status message up if your team expects instant replies.

If a session really is destroyed, reset and start fresh rather than limping to the end. A half-broken interval teaches your brain that the boundary is negotiable, and the whole method depends on it not being.

What to actually do in the breaks

Break quality decides whether the next session works. The aim is to rest attention, not to move it somewhere equally demanding.

  • Good five-minute breaks: stand and stretch, walk to another room, refill water, look at something far away to rest your eyes, tidy your desk, step outside.
  • Poor five-minute breaks: social media, news, email, YouTube, anything with a feed. These are stimulating rather than restful and routinely swallow the whole break and half the next session.
  • Long breaks: eat properly, go outside, have a real conversation, do something physical. Fifteen to thirty minutes, away from the screen.

One habit worth building: spend the first thirty seconds of each break deciding nothing, standing up, and leaving the desk. The decision about what to do with a break is what usually leads to a feed.

Browser timer, desktop app, or a kitchen timer

All three work. They differ in friction.

  • A browser timer like this one needs no install, no updates and no permissions beyond an optional notification prompt. It is the fastest way to start, and it works on a locked-down work computer where you cannot install software.
  • A desktop app can sit in the system tray and survive a closed browser, which suits people who keep dozens of tabs and lose things. The cost is installation, updates and often a subscription for the useful features.
  • A physical timer has one real advantage: it is not on the device that distracts you. Cirillo's original method used one deliberately. If your problem is the computer itself, a mechanical timer and a closed laptop may be the honest answer.

If you use this page, pin the tab. It keeps the timer one click away without adding to the tab crowd, and pinned tabs show the title countdown clearly.

Using the Pomodoro technique for study

Students took to this method early, and it holds up. A few adjustments make it work better for study than for office work:

  • Give every session one concrete output. "Revise biology" is not a session. "Do twenty practice questions on cell division" is.
  • Use sessions to space repetition. Reviewing a topic across four short sessions over four days beats one long cram, and the timer gives you a natural unit for it.
  • Count sessions per subject. Over a week the counts show which subject you have been quietly avoiding.
  • Keep phones out of the room. Not face down, not in a pocket. In another room.
  • Log what you covered at the end of each session in one line. It takes ten seconds and makes revision planning much easier later.

Mistakes that break the method

  • Skipping breaks because the work is flowing. Tempting, and it works for a session or two before the afternoon collapses. If you are genuinely in flow, finish the thought, then take the break.
  • Turning the counter into a target. Chasing a number encourages fake sessions where you sit at the desk doing very little.
  • Multitasking inside a session. One task per interval. Two tasks means neither gets the benefit.
  • Using breaks for feeds. The single most common reason people abandon the method.
  • Sessions that are too long for the mood. On a bad day, 15 minutes finished beats 50 abandoned.
  • Planning nothing. Decide what the next session is before starting it, not during it.

When Pomodoro is the wrong tool

It is not universal, and pretending otherwise leads people to conclude they are the problem. Timed intervals sit badly with work that cannot be interrupted at an arbitrary moment: a live client call, a surgery, a rehearsal, a debugging session where losing the thread costs twenty minutes to rebuild. They also suit some people's rhythms much better than others.

If a bell that interrupts you at minute 25 feels destructive rather than helpful, lengthen the interval or use a different structure entirely, such as blocking a two-hour period and resting when the work reaches a natural seam. The goal is focused work with genuine rest, and the timer is only one route to it. Use what leaves you with more done and less depleted at the end of the day.

Frequently asked questions

Do I need to install anything to use this Pomodoro timer on my PC?

No. It runs in your browser on Windows, macOS, Linux and ChromeOS. Open the page, press start, and keep the tab open in the background while you work.

Will the timer keep running if I switch tabs or minimise the window?

Yes. The countdown is based on the clock rather than on ticks, so it stays accurate even when the browser throttles a background tab. The tab title shows the remaining time, and you get a sound and a desktop notification when the interval ends.

Why is a Pomodoro 25 minutes long?

Francesco Cirillo chose 25 minutes when he developed the technique in the late 1980s because it was short enough to start without resistance and long enough to make progress. It is a starting point, not a rule, and the timer lets you change it.

What happens if someone interrupts me mid-session?

The classic method says to note the interruption, deal with it quickly if you can, and otherwise schedule it for later. If you have to abandon the session entirely, reset the timer and start a fresh one rather than resuming a broken interval.

Are my settings and session count saved?

They are saved in your browser's own storage on that computer, so your interval lengths and today's count survive a refresh. Nothing is uploaded, and clearing your browser data clears them.

How many Pomodoros should I do in a day?

Most people manage somewhere between eight and twelve focused sessions in a working day, and fewer on days full of meetings. Treat the count as feedback on how your day actually went rather than a target to hit.

Can I use the Pomodoro technique for studying?

Yes, it is popular with students because it breaks a long study block into manageable pieces and builds in regular rest. Pair each session with one specific goal, such as a set of practice questions, rather than an open-ended subject.

Start your first session

Pick one task, scroll back up, and press start. The only thing that has to be true for the next 25 minutes is that you are working on that one thing. Back to the timer.