Online stopwatch. Easy to use and accurate stopwatch with lap times and alarms. Optional split intervals and alarm sound.

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The online stopwatch counts the time to the millisecond that passes after you click the Start button. It allows you to add laps.

Free online stopwatch timer in your browser. Instant, accurate and easy-to-use. Start counting now!

Welcome to our amazing Classroom Timer Section! We've decided to put our new fun timers, and timers for classrooms into a nice sub-section. These are great timers for children, or maybe meetings, or anything really. They just add some extra fun to the usual countdown timers :-)

Set the hour, minute, and second for the online countdown timer, and start it. Alternatively, you can set the date and time to count days, hours, minutes, and seconds till (or from) the event. The timer triggered alert will appear, and the pre-selected sound will be played at the set time.

Experience an online countdown timer with alarm: silent or choose a sound. Or count down to a special date and time.

Free online stopwatch and timer with millisecond precision. Features include lap timing, countdown alerts, and split time tracking. Perfect for sports, cooking, and studying.

Create your timers with optional alarms and start/pause/stop them simultaneously or sequentially. They are perfect for everyday activities such as cooking meals, taking quizzes, giving speeches, playing sports, or practicing music.

Stopwatch Tools is a collection of simple utilities that run directly in your browser. Use the alarm clock for reminders, the online timer for duration countdowns with sound, or the stopwatch for lap timing and split times.