Pomodoro timer

Pick one task. Work on it for twenty-five minutes without switching, then stop for five, whether or not you feel like it. After four of those take fifteen. The timer moves between the phases on its own and chimes when one ends, so you never have to look at it.

The counts under the clock are kept in this browser only, on this device, and nowhere else. Clear the site's data and they go with it. The technique's whole value is the break you were not going to take, so skip a focus block if you must, but do not skip the break.