A timer or countdown timer is a type of clock that starts from a specified time duration and stops upon reaching 00:00. It can also usually be stopped manually before the whole duration has elapsed. An example of a simple timer is an hourglass. Commonly, a timer triggers an alarm when it ends. Start Countdown 🕒 Timer in just 1 click! 123Timer is a simple and free online timer with rich features: Convenient timing, Fullscreen mode, Large selection of sounds, Dark/Light mode and much more. Use the Online Stopwatch Full Screen. Go Ad Free! Remove all Ads and make your Apps Bigger and Better! Set hours, minutes, and seconds on our online timer, showcased with a flip clock aesthetic. Start your countdown instantly. Perfect for kitchen, work, or study. Timer online with alarm. Create one or multiple timers and start them in any order. Set a silent timer clock or choose a sound. Soon the new countdown timer will replace the one you see here - it will allow you to use your keyboard to enter the numbers, and to start or stop the timer. For more fun countdowns – check out the egg timer, the clock timer the bomb timer or our full list of fun classroom timers :-) Online Timer & Alarm: OnlineClock.net offers this simple digital Timer to use for FREE online! Set the timer to a desired number of hours, minutes and seconds. Confirm by clicking Set Timer button. Click Start to begin counting. To make a pause, press Stop button. To start over, click Reset. That's it, happy counting! Set a time and bookmark it for repeated use. You can also create a timer for a specific date or time. Customize your experience with a variety of timer themes. 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.