Stopwatch – Free High-Precision Online Stopwatch
✓ Free Online Stopwatch & Multi-Lap Timer
High-precision stopwatch using performance.now(). Lap times, best/worst lap markers. Keyboard shortcuts. Pure native implementation.
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High Precision — Uses performance.now() for sub-millisecond accuracy. No drift.
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Lap Times — Press lap to record intermediate times. See all lap times in a list.
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Best/Worst Laps — Automatically highlights the fastest and slowest laps in your session.
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Keyboard Shortcuts — Space = Start/Stop, L = Lap, R = Reset. Works when page is focused.
Full guide, how-to & FAQ →
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