4Videosoft iPhone Ringtone Maker for Mac is powerful in making ringtones for your iPhone with almost all kinds of audios. You are allowed to convert your favorite videos and popular DVD movies to iPhone audio formats. It enables you to load almost all video formats such as MP4, MOV, AVI, FLV and more to make ringtone for your iPhone. These output ringtones can save to your iPhone directly, and you can add them to your Mac and iTunes.