Marinara Timer is a free, web-based Pomodoro timer that works in any browser. You can choose Pomodoro, custom, or kitchen timer modes. The Pomodoro mode follows the classic 25/5 cycle. The custom mode allows personalized work and break times. Kitchen timer functions as a simple countdown. Unique shareable links let teams or study groups sync their timers. The interface is clean and distraction-free. If you want a no-fuss online Pomodoro timer that works anywhere, Marinara Timer is a strong choice.