Pomodoro Timer
Boost your productivity with the Pomodoro Technique. Work in focused intervals, take regular breaks, and track sessions.
Disclaimer: The results provided by this tool are estimates for informational purposes only. Actual values may vary. Please verify important calculations independently.
How the Pomodoro timer paces your session
The Pomodoro timer is a finite-state machine cycling between four states: work, short break, long break, and idle. Each session starts in the work state with a 25-minute countdown, and when that countdown reaches zero the state advances automatically. After every fourth completed work session, the machine routes to a long break instead of a short one, which is how the classic Cirillo cadence of four pomodoros plus a recovery block is enforced. All timing uses the browser's high-resolution performance clock, so the remaining seconds remain accurate even if a frame is skipped or the tab briefly loses focus.
Because the cycle is deterministic, the timer can also track your session count across the day and show how many pomodoros you have completed so far. The tick is driven by requestAnimationFrame for smooth visuals, but the underlying time is computed from timestamps rather than frame counts, so the remaining value is correct even on slow devices. When a state ends, the timer emits a sound and, with permission, a system notification, which removes the need to watch the screen and allows you to stay absorbed in the actual work you are doing rather than babysitting the clock.
Adapting the method to real work
Twenty-five minutes is not magic — it is a starting point. Some creative tasks need a longer ramp-up; writers, coders, and designers often increase the work block to 45 or 50 minutes and lengthen the break to 10. Others, particularly people returning to focused work after burnout, do better with 15-minute blocks that feel achievable. The Pomodoro timer lets you tune all three durations, which means you can run an experiment for a week and see whether a 50/10 rhythm beats the default 25/5 for your particular brain and task mix. What matters is that the cycle is consistent enough to train your attention.
A few habits increase the method's effect. Protect the break: leave the screen, stretch, drink water, rather than switching to social media, because the goal of the break is physical and cognitive recovery, not a different kind of screen time. Treat interruptions honestly: if a pomodoro is derailed by an unavoidable conversation, restart the block rather than counting a half-finished session. And keep a small note of what you planned to accomplish in each pomodoro, so the end-of-day review gives you a visible record of focused output rather than a vague sense of having been busy.