You can directly use it from the shell menu of the windows file explorer. Select your picture(s), right click and select the menu item "Send your photo(s) to Facebook"
Select your account, select or create a Facebook album, and the program will resize to the maximum resolution allowed by Facebook. Easily speeding up the transfer by resizing directly on your computer before submitting the files to Facebook. Easy and simple.. simply addictive software for Facebook fan.
Easy Photo Uploader is using WIC codec, so you can also directly upload your raw photo files (CR2,NEF,MRW,etc..) they will be converted by Jpeg automatically for you with the highest quality possible (you can change this in the settings of the application).