Clockster

Enter a time and start the clock! How does it work?

Clockster is a simple countdown timer. Just enter the length of time you want to count down from and press enter.

For example:

You can even type a time directly into the url: http://clockster.net/1hr.

Requires Chrome 6+, Safari 5+, Firefox 3.7+, or Internet Explorer 9+. Created by James Sulak.