Online Stopwatch
About the Online Stopwatch
Our free online stopwatch provides precise time tracking with lap and split time recording. Whether you are timing a workout, a presentation, a cooking recipe, or a race, this tool delivers accurate results with hundredths-of-a-second precision.
Use the intuitive controls or keyboard shortcuts to start, stop, record laps, and reset. Lap times automatically highlight your fastest and slowest splits so you can track your performance at a glance. When you are done, export all your lap data to the clipboard with a single click.
Frequently Asked Questions
Our stopwatch uses the browser's high-resolution performance timer (performance.now()) combined with requestAnimationFrame for smooth display updates. This provides sub-millisecond precision for accurate time tracking, displayed as hundredths of a second.
While the stopwatch is running, click the Lap button or press 'L' on your keyboard to record a lap. Each lap shows the split time (time since the last lap) and the total elapsed time. The best and worst laps are automatically highlighted in green and red.
The stopwatch supports three keyboard shortcuts: Space to start or stop the timer, L to record a lap while running, and R to reset the stopwatch when it is stopped. These shortcuts allow hands-free operation.
Yes! Click the 'Copy Laps' button to copy all your lap data to the clipboard as formatted text. The export includes each lap number, split time, and total elapsed time, ready to paste into a spreadsheet or document.
Yes, click the fullscreen button to expand the timer display to fill your entire screen. This is ideal for presentations, workouts, or any situation where you need to see the time from a distance. Press Escape or click the button again to exit fullscreen.