Pomodoro Timer

Work in focused 25-minute blocks with timed breaks — the classic Pomodoro technique, with browser notifications when each phase ends.

How to use

  1. Set the work and break durations (default: 25 and 5 minutes) and click "Start".
  2. Focus on your task until the timer reaches zero — a browser notification tells you when the break starts.
  3. After four rounds, take a longer break (15 minutes). The timer alternates automatically.

About this tool

The Pomodoro Technique was invented by Francesco Cirillo in the late 1980s, named after the tomato-shaped kitchen timer he used as a university student. The method is simple: work for 25 minutes with full focus, take a 5-minute break, and repeat. After four rounds, take a longer break of 15 to 30 minutes. The timer enforces the rhythm; the discipline is yours.

The value of the technique is not the specific numbers — 25 and 5 are starting points that many people adjust — but the act of committing to a block of uninterrupted work. The timer makes the commitment concrete: you work until it rings, you rest until it rings, and the cycle repeats. The break is not optional; it is part of the system, and skipping it defeats the purpose.

This timer runs in your browser and sends a notification when each phase ends. Allow notifications when prompted, or the alert will be silent. The work and break durations are configurable. Nothing is stored — the round count resets when you reload the page.

Frequently asked questions

Why 25 minutes?

Cirillo found it long enough to make meaningful progress and short enough to maintain focus. Many people adjust: 50/10 is common for deep work, 15/3 for administrative tasks.

Do I get a notification?

Yes, if you allow browser notifications when prompted. If you deny or dismiss the prompt, the timer still counts but the alert is silent.

Does it keep running if I switch tabs?

Yes — the timer uses the system clock, not a frame counter.

What is the long break?

After every four work rounds, the break is 15 minutes instead of 5. This is the standard Pomodoro cycle.

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