Stopwatch
A simple and accurate browser-based stopwatch with millisecond precision.
Stopwatch
00:00:00
Track Time
Need to time a task, a workout, or a cooking session? Use this simple stopwatch to track elapsed time down to the millisecond.
Frequently Asked Questions
Does it work if I switch tabs?
Yes, modern browsers optimize background tabs, but the time calculation is timestamp-based so it remains accurate.