Quick HIIT rounds, microwave cooking, and short focus sprints.
4:00
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About the 4 Minute Timer
Quick HIIT rounds, microwave cooking, and short focus sprints. This free online 4 minute timer works on any device — desktop, tablet, or mobile. No sign-up or download required. Press Start to begin the countdown. You'll hear an alert when time is up, and a browser notification will appear even if you've switched tabs.