Online Stopwatch
A simple stopwatch with lap timing.
A browser-based stopwatch with start, pause, lap, and reset controls — no installation needed.
Your files and text are processed locally in your browser — nothing is uploaded to a server.
Stopwatch tool
How to Use Stopwatch
- Click Start to begin timing.
- Click Lap to record a split.
- Click Pause or Reset as needed.
Features
- Start, pause, and reset
- Lap timing with a running list
- Precise to the hundredth of a second
- Works in any modern browser
Frequently Asked Questions
Does the stopwatch keep running if I switch tabs?
Yes, timing continues in the background as long as the tab stays open.