When this split works
Good for a lesson block, a language session, or a focused gym routine.
The 45/15 split fits neatly into a school period, a lesson, or a study hour with a buffer. Forty-five minutes is short enough to keep urgency and long enough to finish a meaningful unit of work, which makes it popular with teachers and students who need a predictable structure. The fifteen-minute break is generous: move around, review what you just learned, or prepare the next task so you do not lose time deciding.
After four rounds the timer offers a thirty-minute long break, which works well before a new subject or a new project.
How to use this timer
Press start and leave the tab open. The timer uses absolute end times, so it stays correct after sleep, tab switching or a throttled background tab.
- Choose a preset or set your own focus, short-break and long-break lengths in the settings panel.
- Start the focus block and work on one task. Press Space to pause, S to skip and R to reset.
- Take the break the timer offers. Enable auto-start if you want the next block to begin on its own.
Settings that stay on your device
Every preference — lengths, rounds, auto-start, sound, volume and notifications — is stored in this browser under the fx.pomodoro.v1 namespace. Nothing is sent to a server and no account is required. Use Export settings to download a JSON copy, and Import settings to restore it on another device or after clearing site data.