Advertising agencies are now spending their hectic time and money to the social media. And the very crucial factor is that social media, especially ” Facebook ” has become something that almost everyone knows of. Obviously facebook without images or videos will be ineffectual. Now-a-days attractive and trending feature of facebook is image. So, the major focus in facebook based marketing is best image size to your facebook ads. Facebook ad image size is different in various places such as profile picture, cover picture etc. The recommended size for the profile picture is 180 X 180 pixels and for the cover photo will be 851 X 315 pixels.