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Home/Generators/Pomodoro Timer
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Pomodoro Timer

Free online Pomodoro timer with 25/5/15 work-break cycles, sound alerts, browser notifications, and a beautiful circular countdown.

Focus

Session 1 of 4

25:00Focus

Customize Durations

0

Sessions Completed

0

Minutes Focused

0

Cycles Completed

How the Pomodoro Technique Works

1.Work for 25 minutes with full focus on your task.
2.Take a 5-minute short break to rest and recharge.
3.Repeat for 4 sessions to complete one full cycle.
4.After 4 sessions, take a 15-minute long break.

About Pomodoro Timer

Free online Pomodoro timer to boost your productivity using the proven Pomodoro Technique. Work in focused 25-minute sessions followed by 5-minute short breaks, with a longer 15-minute break after every 4th session. Features a beautiful SVG circular countdown display, customizable work and break durations, sound notifications using the Web Audio API, and optional browser notifications so you never miss a timer ending - even when the tab is in the background. The timer uses precise Date.now()-based timing to stay accurate regardless of browser throttling. Track your session progress, start/pause/resume at any time, and customize durations to match your workflow. No signup, no downloads, 100% free and runs entirely in your browser.

Frequently Asked Questions

What is the Pomodoro Technique?
The Pomodoro Technique is a time management method developed by Francesco Cirillo in the late 1980s. It uses a timer to break work into focused intervals - traditionally 25 minutes - called 'pomodoros', separated by short breaks (usually 5 minutes). After completing four pomodoros, you take a longer break of 15-30 minutes. This structure helps maintain concentration, reduce mental fatigue, and improve productivity throughout the day.
Why are work sessions 25 minutes long?
The 25-minute duration was chosen because it is long enough to achieve meaningful progress on a task but short enough to maintain intense focus without burnout. Research shows that most people can sustain deep concentration for about 20-30 minutes before attention starts to wane. That said, this timer lets you customize the duration - some people prefer 50-minute sessions, while others work better with shorter 15-minute intervals.
Does the timer work when the tab is in the background?
Yes. This timer uses Date.now()-based calculations instead of relying solely on setInterval, which browsers can throttle when a tab is backgrounded. The timer calculates remaining time based on the actual wall-clock time, so it stays accurate even if the browser slows down the interval. You will also receive a browser notification (if permissions are granted) when a session ends, so you will know even if you are in another tab or application.
Can I customize the work and break durations?
Absolutely. While the default Pomodoro settings are 25 minutes of work, 5 minutes for short breaks, and 15 minutes for long breaks, you can adjust all three durations to suit your preference. Some people use 50/10/30 for longer deep work sessions, while others prefer shorter 15/3/10 cycles. Simply change the values in the settings section before starting your session.
Does the timer send notifications and play sounds?
Yes, the timer uses two notification methods. First, it plays a beep sound using the Web Audio API when a session or break ends - no audio files are needed. Second, it can send browser notifications (you will be asked to grant permission) so you get alerted even when the tab is not in focus. Both features ensure you never miss a transition between work and break periods.
Is this Pomodoro timer completely free?
Yes, this Pomodoro timer is 100% free with no signup, no account required, and no limitations. It runs entirely in your browser - no data is sent to any server. You can use it as many times as you want for studying, working, coding, writing, or any focused task. There are no ads that interrupt your focus sessions.

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