Need to track time precisely? Use the stopwatch to start, stop, and record lap times effortlessly. Switch to countdown mode to set a timer for any duration, and get a loud alert when time is up – perfect for cooking, workouts, or productivity sprints.
Yes, the timer uses setInterval and the page’s lifecycle; however, some browsers may throttle background tabs. For longer durations, the countdown uses absolute system time to remain accurate.
Yes, the alarm uses the Web Audio API and also falls back to an <audio> element, which works on all modern mobile browsers.
No, lap data exists only during the current session. For permanent saving you can copy or screenshot the results.