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Timer, Stopwatch & Pomodoro
Countdown, stopwatch and Pomodoro focus timer with presets.
Free tools that run in your browser. Nothing you type, open or create is uploaded to NerdBible or anyone else.
| Lap | Lap time | Total |
|---|
Focus 1 of 4
Times are measured from the clock, not by counting ticks, so they stay accurate when the tab is in the background. Browsers slow down background tabs, so the display and the beep can arrive a second late there; the time itself is not lost. The beep is made by your browser, with no sound files.
How to use it
- Pick Timer, Stopwatch or Pomodoro.
- For the timer, choose a preset or type hours, minutes and seconds; for Pomodoro, pick a focus preset such as 25 / 5 or 50 / 10, or set your own focus and break lengths and the number of rounds before a long break.
- Press Start. The page title shows the time left, so you can see it from another tab, and a beep plays at the end.
Questions
Will the timer keep running if I switch tabs?
Yes. It works out the time left from the clock each time it updates, so it stays correct in a background tab. Keep this tab open: closing it stops the timer.
Why did I not hear the beep?
Check the sound box is ticked, the volume is up and your device is not muted. Some phones silence web pages in silent mode or when the screen is locked. Press Test sound to check.
Which focus preset should I use?
25 / 5 is the classic Pomodoro: 25 minutes of work and a 5 minute break, with a long break after four rounds. 50 / 10 suits tasks that take a while to get into, 90 / 20 follows longer deep work blocks, and 15 / 3 is a gentle start. Every number can be changed after you pick a preset.
Does the Pomodoro timer count my sessions?
Yes. Each finished focus block is added to the count under the timer, and the label shows which round you are on. Reset sets the count back to zero. Nothing is stored after you close the page.
What is the Pomodoro technique?
A way of working in focused blocks, traditionally 25 minutes, each followed by a 5 minute break, with a longer break after four blocks. The breaks help you keep concentration through the day.
About this tool
About the timer, stopwatch and Pomodoro
Three timing tools share this page, each in its own tab.
- Timer: count down from any time. Pick a preset or type hours, minutes and seconds.
- Stopwatch: count up, with laps.
- Pomodoro: alternate focus blocks and breaks. Pick a preset such as 25 / 5, 50 / 10 or 90 / 20, or set your own lengths and rounds. Finished focus blocks are counted for the session.
The page title shows the time left, so you can keep an eye on it from another tab, and a beep sounds at the end.
Accurate in the background
Many web timers count ticks, and browsers slow down background tabs, so those timers fall behind. This one works out the time from the clock each time it updates, so the time is never lost. In a background tab the display and the beep can arrive a second late, but the measured time stays right. Keep the tab open: closing it stops the timer.
The Pomodoro technique
A way of working in focused blocks, traditionally 25 minutes, each followed by a 5 minute break, with a longer break after four blocks. The fixed end point makes it easier to start a task and the breaks help keep concentration through the day.
No beep?
Check the sound box is ticked, the volume is up and your device is not muted. Some phones silence web pages in silent mode or with the screen locked. Press Test sound to check. The beep is made by your browser, with no sound files.
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