A proposito de iste extension

Contains all the options you would need to effectively use a pomodoro timer. Features include:

Time indicator on the icon badge so you can easily see the remaining time without opening the pop-up menu.
Set custom time duration for work, short break and long break.
Control your timer via the pop-up menu. You can restart the timer or switch to a different one.
Start timers automatically using the auto-start option (off by default).
Desktop notifications to alert you when time is over.
Prompts you in new tab when work/break is over to help you stick to your routine.

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