Online Stopwatch & Countdown Timer

Precise stopwatch with lap tracking and countdown timer — works on any device.

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About This Online Stopwatch

This stopwatch runs directly in your browser with millisecond precision. Use it for timing workouts, cooking, presentations, interviews, or any task that needs accurate time measurement. The lap feature lets you record split times, and it automatically highlights your fastest and slowest laps. The countdown timer lets you set hours, minutes, and seconds and alerts you when time is up.