Tipard iPhone 4 Ringtone Maker can convert almost all mainstream video/audio formats to iPhone 4 M4R ringtone. You can even rip all popular DVDs to iPhone 4 ringtone and then transfer converted ringtones to iPhone without any loss. Moreover, it has been updated to support iTunes 10.1, iOS4.2, iPad, iPod touch 4 and iPod Nano 6 now.
