Insta Big Profile Picture allows you to view a full screen HD photos of any Instagram users with typing either Username or Instagram Profile URL. When someone you don't know tries to follow you the first thing you do is try to look at their tiny, massively compressed, pixelated picture which not only makes you wonder to think who the person is, but also makes you a bit frustrated as well. This app is to solve that problem, just download the app, type Instagram Username or Paste Instagram Prof