Stopwatch
Precise timing with laps — start, stop, and reset by click or keyboard.
About Stopwatch
An online stopwatch measures elapsed time to the millisecond. Start, stop, and reset with a click or a keypress, and record lap splits to time individual segments. It runs in your browser with nothing to install.
Frequently asked questions
- Does the stopwatch keep running in the background?
- It keeps accurate time based on timestamps, so the elapsed time stays correct even if the tab is inactive for a while.
- What are laps for?
- Laps record split times without stopping the clock — useful for timing repeated intervals like workout sets or laps.
- Can I control it with the keyboard?
- Yes. You can start, stop, and reset with keyboard shortcuts for fast, hands-free timing.
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