Structured focus and break cycles to help you do deep work without burning out — 25 minutes on, 5 minutes off, a longer break every four sessions.
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Ready to focus
Focus
25:00
Focus session
Session 1 of 4Next: Short Break
Settings
Changes apply the next time a session starts — they won't interrupt a session already running.
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What is the Pomodoro Technique?
The Pomodoro Technique is a time-management method built around short, focused bursts of work separated by real breaks: 25 minutes of undistracted focus, then a 5-minute break, repeated four times before a longer 15-minute break resets the cycle. It was developed in the late 1980s by Francesco Cirillo, who used a tomato-shaped kitchen timer (pomodoro is Italian for tomato) to time his study sessions — the name stuck.
The idea is simple but effective: a fixed, visible countdown creates urgency and removes the temptation to "just check one more thing," while the built-in breaks prevent the burnout that comes from working in long, undefined stretches.
How to use the Pomodoro timer
Press start to begin a 25-minute focus session — the ring and phase badge above the timer make it obvious at a glance whether you're in a focus session or a break. When a session ends, TimerHub plays a soft transition chime and automatically moves to the next phase: short break, then more focus, and a long break after every fourth focus session. The meta row shows exactly where you are ("Session 2 of 4") and what's coming next. Use Skip if you want to move on early, Reset to return to session one, and the settings panel below the timer to change how long each phase lasts.
Features
Standard 25/5/15 Pomodoro structure, fully customizable
Automatic phase transitions with a gentle chime, or manual advance if you prefer
Live session count and a clear "next phase" hint
Customizable focus, short break and long break durations
Studying: break dense material into focused chunks with real rest between them, so concentration doesn't decay across a long session. Deep work: protect a block of time from Slack, email and notifications by giving yourself a visible, ticking reason to stay off them. Writing: use the timer to get past the blank-page resistance — commit to 25 minutes, not "finishing the whole thing." ADHD-friendly work sessions: the short, clearly bounded intervals make it easier to start and easier to stop, both of which can be hard without an external cue. Avoiding burnout: the built-in breaks aren't optional extras — they're part of the technique, and skipping them regularly is what leads to the afternoon crash.
Tips
Silence notifications on your phone and computer before a focus session starts — the whole point is one uninterrupted thing.
Take breaks away from your screen — stand up, stretch, look out a window. Scrolling a phone doesn't count as rest.
If 25 minutes feels too short or too long for your work, adjust it in settings — the technique works at other lengths too, as long as focus and break stay proportional.
Write down what you plan to do in the next session before you start it — it removes the "what should I work on" decision from inside the timer.
Questions
Frequently asked questions
25 minutes is the original interval chosen by the technique's creator, Francesco Cirillo — long enough to make real progress on a task, short enough that staying focused doesn't feel like an ordeal. It's a starting point, not a rule.
Yes. Use the settings panel below the timer to set your own focus, short break and long break lengths, and how many focus sessions happen before a long break. Changes take effect the next time a phase starts.
After the fourth focus session, TimerHub gives you a longer break (15 minutes by default) instead of a short one, then starts a new cycle back at session one. You'll hear a completion chime and see a toast marking the full cycle.
The timer runs in your browser tab, so closing it stops the countdown — it isn't a background service. Switching to another tab or minimizing the window is fine; the timing stays accurate because it's based on real timestamps, not a simple tick counter.
By default, yes — focus flows into break and back again automatically with a short chime at each change. If you'd rather confirm each transition yourself, turn on "Pause auto-advance" in settings.
Yes. The skip button jumps straight to the next phase, and reset returns the whole cycle to session one, focus phase, with the current settings.