Fount is a free-to-use bookmarklet that instantly identifies fonts used in a web page.
Once activated, just click on any text and it displays the font name, size and weight in a growl-like notification.
It doesn't requires re-activation and any number of text can be clicked repeatedly. For disabling it, clicking the bookmarklet is enough.
Fount is a useful and tiny companion for typography inspiration and works in all major browsers.
Details And See More :- http://fount.artequalswork.com/