Marinara Timer is a free web-based Pomodoro timer. It works in any browser and requires no account. You can choose Pomodoro, custom, or kitchen timer modes. Pomodoro uses the classic 25/5 cycle. Custom allows personalized work and break lengths. Kitchen timer runs a simple countdown. Shareable links let teams or study groups sync their timers. The interface is clean and distraction-free. If you want a flexible online Pomodoro timer with minimal setup, Marinara Timer is a reliable choice.