Pomodoro Timer Online
25-minute focus sessions, 5-minute short breaks, 15-minute long breaks. Boost your productivity with the Pomodoro technique.
How to Use the Pomodoro Timer
- 1
Click Focus 25m
Start a 25-minute focused work session. Eliminate distractions — close social media, silence notifications.
- 2
Work Until the Bell
When the timer beeps, your focus session is complete. Mark the session as done (the dots track your progress).
- 3
Take a Short Break
Click Break 5m to start a 5-minute rest. Step away from your screen, stretch, or get water.
- 4
After 4 Sessions — Long Break
After completing 4 focus sessions, click Long 15m for a well-deserved 15-minute break before the next cycle.
About the Pomodoro Technique
The Pomodoro Technique is a time management method developed by Francesco Cirillo in the late 1980s. The technique uses a timer to break work into focused intervals — traditionally 25 minutes — separated by short breaks. Each interval is known as a "pomodoro," named after the tomato-shaped kitchen timer Cirillo used as a student.
Research consistently shows that the human brain struggles to maintain peak concentration for more than 20–30 minutes. The Pomodoro technique works with this biological reality: by pre-committing to just 25 minutes of focused effort, the task feels less overwhelming, and the upcoming break provides a mental reward to work toward.
The four-dot session counter tracks your progress through the day. After completing four pomodoros, a 15-minute long break helps prevent cognitive fatigue and keeps performance high throughout a work day. This rhythm of focus and recovery mirrors how elite athletes train — intense effort followed by deliberate rest.
Common Pomodoro users include software developers, writers, students studying for exams, and remote workers managing their own schedules. The technique is particularly effective for tasks that feel large or undefined, because the 25-minute constraint forces you to break work into actionable chunks.
UseToolify's Pomodoro timer is free, works in any browser, and requires no signup or download. The audio alarm uses the Web Audio API — no external files needed. Close the session with confidence that your focus time was genuinely tracked.
You may also find our Countdown Timer, Study Timer, and Interval Timer helpful.
How to Use
- 1. Press Start to begin a 25-minute focus session.
- 2. Work until the timer sounds, then take the 5-minute break it offers.
- 3. Repeat the cycle — a longer break follows every fourth session.
Frequently Asked Questions
Can I change the 25-minute duration? expand_more
The standard technique uses 25/5/15-minute intervals. Customizable durations may be added in a future update.
Does the timer reset my session count? expand_more
The session count resets when you click Reset or refresh the page. It is stored in memory only.
What should I do during a break? expand_more
Stand up, stretch, get water, look out a window, or do brief exercises. Avoid screens during short breaks for best results.
Why does the Pomodoro technique work? expand_more
It combats the planning fallacy and procrastination by committing to a short, defined work period. The time pressure increases focus and urgency.
Can I use this on my phone? expand_more
Yes — the Pomodoro timer is fully responsive and works on all modern mobile browsers.
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Guide
How to run focused work sessions with a Pomodoro timer
The Pomodoro method splits work into short, fixed blocks separated by breaks. Francesco Cirillo's classic version uses 25 minutes of focus followed by a short rest, with a longer rest after four rounds. This timer has those three lengths built in: Focus 25m, Break 5m and Long 15m. The large display counts down in minutes and seconds, a label above it names the current phase, and four dots with a text count track completed focus sessions.
It is deliberately simple: no accounts, no task lists, no settings, and the durations cannot be changed. Nothing starts by itself either, so after each beep you decide what comes next. That suits anyone who wants a plain clock for studying, writing, coding or housework.
Step by step
- Press Focus 25m to start a 25-minute focus session. The label changes to Focus Session and the clock begins counting down.
- Work on one task until you hear a short beep and the display reaches 00:00. At that moment the session is added to the count and a dot fills in.
- Press Break 5m to start a five-minute rest. The label changes to Short Break.
- After the fourth focus session, press Long 15m for the longer rest, then start the next Focus 25m when ready.
- Use Pause to hold the clock and Resume to continue it. Reset stops the clock, returns the display to 25:00 and clears the session count.
When this is useful
- Studying for an exam in short bursts with planned rests rather than an unbroken marathon.
- Starting a task you have been avoiding by promising yourself only 25 minutes.
- Writing, coding or designing while keeping track of how many focused blocks you have done in a day.
- Structuring a shared study or co-working session where everyone breaks together.
Worked example: A two-hour evening study block
Begin at 7:00 pm with Focus 25m on Chapter 1 reading. At 7:25 press Break 5m, and at 7:30 press Focus 25m for practice questions. Continue the pattern for four focus sessions. Four focus sessions are 4 × 25 = 100 minutes, and the three 5-minute breaks between them add 15, so the fourth beep sounds at about 8:55 pm. The 15-minute long break then runs to about 9:10 pm, 130 minutes in all. After the fourth beep the dots are full and the text reads 4 sessions.
Tips for better results
- Decide on a single task before pressing Focus 25m, and write down distractions instead of acting on them.
- Start each block with a phase button (Focus 25m, Break 5m or Long 15m) so the label always names what you are doing; the large Start Focus button begins the same 25-minute focus block.
- Keep your device volume on, since the only alert is one 660 Hz beep lasting about a second, with no pop-up.
- Keep the timer tab open and visible, as browsers can slow background tabs and the clock may run behind real time.
Common mistakes
- Forgetting that Reset also clears the tally. If you want to keep today's count, use Pause instead of Reset.
- Pressing Resume after the beep. With 00:00 showing there is nothing left to resume, so choose the next phase button instead.
- Expecting the count to survive a reload. The tally lives in memory only, so refreshing or closing the page clears it.
- Waiting for an automatic break. The timer stops at 00:00 and does not move to the next phase, so a missed beep can leave you working through your break.
Your files and privacy
The countdown runs entirely in your browser and the session count lives in memory only, so it disappears when you reload. The page does record that the tool was opened, through an anonymous request carrying the tool name and a random session ID stored in your browser, and a Google Analytics event. The sound is generated on your device, with no audio file downloaded.
Frequently asked questions
Can I change the 25, 5 and 15 minute lengths?
No. The three durations are fixed. If you need a different length, such as 50 minutes of focus, you would need a more configurable timer.
Why did I not hear the alarm?
The alarm is a single beep made by your browser. It can be silent if the device volume is off, the tab is muted, or the browser blocks audio on that page. Glancing at the 00:00 display and the label is a fallback.
Does the timer keep running if I switch tabs or lock my phone?
It may run slowly or pause. The clock counts one second for each timer tick, and browsers often slow ticks for hidden tabs or sleeping phones. Keep the tab visible when accuracy matters.
Why is the long break after four sessions?
That is the conventional rhythm of the technique: three short breaks and then a longer one to recover. This timer shows four dots to match, but you press Long 15m yourself.
Does the session count reset?
Yes. Reset clears it, and so does refreshing or closing the page, because the count lives only in memory. The dots show four sessions, though the number in text keeps rising beyond that.
Guide reviewed 2026-10-11 by the useToolify team.