Stopwatch
A stopwatch with lap times, fastest and slowest lap highlights, and CSV export. Runs entirely in your browser.
00:00.00
No laps yet.
How to use
- Press Start to begin. While running, press Lap to record a split.
- With two or more laps, the fastest lap is shown in green and the slowest in red.
- Export CSV downloads the lap table as a file, and Copy puts it on your clipboard as text.
Notes
Timing is based on performance.now() and displayed to centiseconds. Lap records are kept only while the page is open and are lost on reload.
FAQ
- What happens past one hour?
- Hours are folded into the minutes figure (for example 75:20.50). There is no measurement limit.