What is the Pomodoro Technique?

A time-management method that breaks work into 25-minute focused intervals separated by short breaks, with a longer break after every four pomodoros.

Can I use custom sounds while studying?

Yes. Layered ambient mixer plus your own MP3s (stored locally), SoundCloud links, or the free Internet Archive.

Yes. It runs in a dedicated Web Worker with absolute-time math, so it never drifts even in backgrounded tabs.

timer (minutes)

focus break long

auto-start next timer

custom background & video sound

bg darkness