Online Countdown Timer
Hi, welcome to myonlinestopwatch's online timer. Its free and it's deigned to be easy to use. It's also designed to work on just about anything not only your computer but also mobile devices like tablets and smart phones.
There is also a full screen feature that resizes the timer to take up the whole screen making it perfect for presentations, large audiences, and classrooms.
This timer can be accessed from anywhere by visiting time-stuff.com.
There are also other features, for example this timer continues running after you leave, so you can leave the site and come back and it will still be going. Also the timer beeps when it reaches 0.
Check out the homepage for more information and a bunch of other features like a custom countdown clock, and the ability to embed the stopwatch on your site.