Whenever if you are in need of sending the screen shot of a webpage or any browser related information to your friends... you might did send the screen shots by clicking on the "Print Screen option" and pasting it into the MS Paint and do the necessary changes then only you might have sent to your friend.
But All these stuff including painting options .. you will get with one extension i.e. Webpage Screen Shot Extension for Google Chrome! Go for it
Privacy : The extension doesn't send Any information to any server. So it can work even when there is no Internet connection.
For more info : Check here