You would have downloaded many fonts from the Internet, whenever you needed to edit a PSD file and the fonts folder is now full of tonnes of fonts which cannot be directly recognized because all of these would show you a sample message and this is hard to find that which font is which one. Hence its recommended that you should try out a service like myFontBook which would list all your fonts details automatically by scanning your fonts folder. When you visit the above mentioned link for the first time you will find that the Font Catalog would start loading and after registering for a acount at My Fontbook you can rate and tag fonts to organize your collection.
Once you click on any thumbnail of a font, you will get a preview of the same at the end of the window which can give you a idea on how to font would look while you would use it. You even get access to a Proof Sheet which would display you few samples of the Lorem Epsum content and allows you to Tag & Favorite your fonts which you can consider for your next project. The best part is that there is nothing to install because this is a Online tool which can complete all your jobs.