Free 5 Minute Timer — 300 Second Countdown
The 5 minute timer is the most popular countdown duration on the web. Press Start for a clean 300-second countdown with alarm, progress bar, and fullscreen mode — all running in your browser.
Why 5 Minutes Is the Most-Used Timer Duration
Five minutes is the default Pomodoro break length, the ideal power cleanup sprint (“how much can you tidy in 5 minutes?”), and the minimum ice bath duration for cold exposure beginners. In classrooms, a 5-minute warning before the end of an activity gives students enough time to wrap up without rushing. Scrambled eggs take about 5 minutes of gentle stirring over medium-low heat. A 5-minute meditation is the starting recommendation for absolute beginners who find longer sessions intimidating.
The psychological power of 5 minutes is that it feels short enough to commit to. “Just 5 minutes” gets people started on tasks they have been avoiding, and starting is almost always the hardest part.
Features
Visual progress bar, 15 alarm sounds with preview, browser tab countdown, fullscreen mode, repeat toggle for continuous 5-minute loops. The countdown also supports count-up mode — when enabled, the timer keeps running past zero so you can see exactly how much overtime has elapsed.
Other durations: 3 minute timer, 10 minute timer, 15 minute timer, 25 minute timer. For automatic work-rest cycling, try the Pomodoro Timer.