Free Pomodoro Timer Online

Pomodoro Timer: Run Focused Work Sprints with Automatic Breaks

A pomodoro timer structures work into alternating blocks — a stretch of focused effort followed by a short break — and switches between the two automatically once each block's time runs out, so you don't have to watch a clock or remember to stop. This tool defaults to the classic split of 25 minutes of work followed by 5 minutes of break, both of which you can change to whatever lengths suit you, and it counts down each phase on a circular progress ring while a large digital readout shows the minutes and seconds left in the current block.

The technique behind it is simple enough that people have used kitchen timers for it for decades: work until the timer ends, then stop and rest until the next timer ends, repeating the cycle for as long as the task needs. What this tool adds is that the switching happens for you — when the work countdown hits zero, the display flips to a break countdown on its own, and when the break ends, it flips back to work, so the only manual steps are starting the first block and, eventually, deciding when to stop for the day.

How to Run a Pomodoro Session

1. Set your work and break lengths in the two number fields — they start at 25 and 5 minutes but accept any values you type in, and the change applies immediately as long as the timer isn't currently running.
2. Press Start (shown as a play icon) to begin the work phase. The ring around the countdown begins filling in as the block progresses, and the digital time below it counts down in minutes and seconds.
3. Work until the countdown reaches 00:00. At that moment the tool automatically switches to the break phase, resets the ring, and starts counting down the break length you configured, with the color and label above the ring changing to reflect the new phase.
4. Rest through the break countdown. When it reaches zero, the cycle automatically returns to a fresh work block at your configured work length, and the session counter beneath the ring increases by one to mark that a full work-and-break cycle has completed.
5. Use Pause at any point to freeze the current countdown without losing your place, and Reset to stop entirely and return to the very start of a work block, clearing the session count back to zero.

Nothing about starting, pausing, or the automatic phase switch requires a page reload or leaving the tab — the whole cycle runs continuously as long as the tab stays open in front of you.

What the Ring and Colors Are Telling You

The circular progress indicator and the color above it are the two fastest things to glance at without reading the exact minute-and-second figure.

Element	What it indicates
Red label and ring	You're in a work phase — the countdown is running toward the end of a focus block
Green label and ring	You're in a break phase — the countdown is running toward the end of a rest block
Ring fill progress	How far through the current phase you are, filling from empty to full as the countdown approaches zero
Sessions completed count	How many full work blocks you've finished since the last Reset — it increases when a work phase ends and a break begins, not the other way around

Because the session counter only increments at the work-to-break transition, it's effectively counting finished focus blocks rather than finished break blocks, which is the number most people actually want to track across a working day.

Why the 25-and-5 Split, and When to Change It

The default lengths come from the original pomodoro technique, which settled on 25 minutes as roughly the longest stretch most people can hold sharp focus before attention meaningfully drops off, paired with a 5-minute break just long enough to reset without losing momentum on the task. Neither number is fixed for you here — some people prefer 50-minute work blocks with 10-minute breaks for deep work that doesn't context-switch well in short bursts, while others shorten both numbers for tasks that are naturally choppy, like answering messages or working through a checklist. Adjust the two fields to match the kind of work you're doing rather than treating 25 and 5 as a rule; the automatic switching behaves identically no matter what lengths you enter.

Situations Where Structured Work Blocks Help

• Deep work that's easy to let sprawl. Writing, coding, or studying without any external boundary tends to expand to fill however much time is available; a work block with a hard, automatic end gives you a natural checkpoint to assess progress and decide whether to continue.
• Avoiding burnout on long task lists. Built-in breaks that trigger automatically are easier to actually take than breaks you're supposed to remember to schedule yourself, since there's nothing to forget — the tool switches phases whether you remember to or not.
• Procrastination on a task that feels too big. Committing to just one focus block, rather than an open-ended "work on this," lowers the barrier to starting, and the visible countdown gives a concrete, finite target instead of an unbounded task.
• Group study or co-working sessions. Everyone working against the same visible countdown and the same break schedule keeps a room or a call synchronized without someone having to announce when to switch.
• Tracking output across a day through the session counter. Watching the completed-sessions number climb gives a rough, honest measure of how many real focus blocks you put in, separate from how the day felt in the moment.

Staying Consistent Across a Long Session

The automatic switching handles the mechanics of a pomodoro cycle, but the habit still depends on what you do during each phase. Treat the work block as a genuine commitment to one task rather than a loose intention — deciding in advance what you'll work on for that block, before pressing Start, tends to matter more than the exact minute count you chose. During the break, stepping away from the same screen you were just working on, even briefly, generally produces a better reset than scrolling something else on the identical device; the timer doesn't enforce this either way, since a break spent staring at a different tab is still counted the same as one spent standing up and looking away. If a work block ends mid-thought, a quick written note of where you left off, jotted down before the break starts, makes the next work block easier to resume without losing the thread of what you were doing.

What This Timer Doesn't Do

Being upfront about the gaps matters more here than for a simple stopwatch, since a missed phase switch can mean sitting through an unplanned break or skipping a break you needed. The transition between work and break is entirely visual — a color and label change, plus the ring resetting — and there is no audible alert built into the tool, so if you're not looking at the tab when a block ends, you won't hear anything telling you it happened. The timer also depends on the tab staying open and roughly active; browsers that throttle background tabs to conserve battery can delay exactly when a phase switch is drawn on screen by a second or two if you've switched away to another tab, though the countdown logic itself keeps running underneath. Nothing about a session — the work and break lengths you set, the session count, or which phase you were in — is saved between visits, so closing or reloading the page resets everything back to the 25-and-5 defaults with the counter at zero.

Pomodoro Timer vs. a Plain Countdown or a Kitchen Timer

A single countdown timer or an old-fashioned kitchen timer can approximate the same technique manually: set it for 25 minutes, work, then set it again for 5. What a dedicated pomodoro timer adds is the automatic hand-off between the two lengths, so there's no moment where you finish a block and have to remember to reset and reconfigure a plain countdown before the break can start. That matters most across a long session with many cycles — six or eight rounds of manually resetting a countdown adds up to a real amount of friction and a real number of chances to just skip the break entirely, which a tool that switches phases on its own removes from the equation.

Does the pomodoro timer make a sound when a phase ends?

No. The phase change is shown visually — the color and label above the ring switch, and the ring itself resets and starts filling for the new phase — but there is no beep, chime, or other audio cue built into the tool. Keep the tab visible if you want to know the instant a block ends rather than noticing it later.

What happens if I change the work or break length while the timer is running?

The number fields stay editable, but a change only takes effect on the current phase if the timer is paused when you make it; while it's actively running, editing the field updates the setting for the next time that phase starts rather than altering the countdown already in progress. Pause first if you want a change to apply immediately.

Does the session counter reset automatically each day?

No. It only resets when you press Reset yourself or when you reload the page; there's no calendar-based reset, and no memory of previous days' counts since nothing is saved once you leave the page.

Is there an API version of this timer for automating focus sessions?

No. This is an interactive, click-driven browser tool built around a live, continuously updating countdown, not a single computation with a request-and-response shape, so it isn't offered through the site's metered API the way some of the other date and time calculators are. Everything — the countdown, the automatic phase switch, the session count — runs client-side in your browser tab with no server involved.

Can I run multiple pomodoro sessions in different browser tabs at once?

Yes, technically — each tab runs its own independent copy of the timer with its own state, since nothing is shared or synced between tabs or devices. There's no coordination between them, though, so running two at once would just give you two separate, unrelated countdowns rather than one timer controlling both.

What's the longest work or break length I can enter?

The number fields don't advertise a hard ceiling, but extremely large values are best avoided since the countdown display and progress ring are built around blocks measured in minutes rather than hours; entering something wildly outsized may still tick down correctly but stops reflecting the tool's intended rhythm of short, repeated focus blocks. Whole numbers of minutes are the expected input, and both fields default back to a usable value if the field is left blank.

Related Time Tools

If you'd rather set a single target time yourself instead of cycling automatically between work and break, the countdown timer counts down to any date and time you choose. For open-ended timing without a preset duration, the stopwatch and online stopwatch count up instead of down. To be alerted at a specific clock time rather than after a fixed interval, see the alarm clock, and for scheduling focus blocks across time zones with collaborators elsewhere, the world clock and timezone converter handle that separately.