Primitive Case Changer - Version 2.0 Primitive Case Changer is a small tool that offers you the fastest and most comfortable way to change the letter case. All you have to do is cut the necessary text and paste it back immediately. It means that you press Ctrl+X and then Ctrl+V on the keyboard and you get the changed text at once. You will not even have to paste your text into Primitive Case Changer and click buttons. The program monitors the clipboard and automatically changes the text according to the specified settings. At the moment there are five options available for changing the letter case: sentence case, lower case, upper case, capitalize every word, toggle case. For example, the program can be useful for editors, writers, students, programmers.