GClock provides a precise and simple online stopwatch that measures time to the millisecond. Quickly begin, stop, and record laps at the touch of a button. Your progress is automatically stored, so whether you leave the tab, your information will be safe.

Personalize your experience by customizing the stopwatch’s look, such as text size, color, and display style. Monitor longer time spans with a day-counting feature for extended events. Bookmark stopwatch states and lap times for future quick access.

Whether it’s workouts, studying, or timing chores, GClock is your go-to timekeeping companion.