4Videosoft iPhone Ringtone Maker for Mac best iPhone Ringtone Maker for Mac users can help you convert any audio/video/DVD file and make it to iPhone M4R ringtone easily. It also allows you to add created M4R ringtone to iPhone directly. 4Videosoft iPhone Ringtone Maker for Mac enables you to trim the length of source audio/video/DVD before generating the M4R ringtone. Moreover this iPhone Ringtone Maker for Mac can be used to make ringtone for any iPhone version like iPhone iPhone 3G iPhone 4 iPhone 4S etc. Plus it can support iOS 5.1 and iTunes 10.6 now. Key functions: 1.Make iPhone Ringtone on Mac 4Videosoft iPhone Ringtone Maker for Mac enables you to convert any popular audio file to iPhone M4R ringtone on Mac such as convert MP3 WAV WMA M4R etc. to M4R ringtone. With this iPhone Ringtone Maker you can convert all mainstream video file to M4R for iPhone ringtone on Mac easily. This iPhone Ringtone Maker for Mac can help you convert any DVD movie to iPhone M4R ringtone for enjoyment. You are allowed to add created M4R ringtone to iPhone directly. This Mac iPhone Ringtone Maker is highly compatible with all iPhone devices including iPhone iPhone 3G iPhone 4 iPhone 4S and so on. 2.Edit Video Effect This iPhone Ringtone Maker enables you to rename or remove the M4R ringtone from iPhone freely. With 4Videosoft iPhone Ringtone Maker you can easily trim any time-length audio from the source audio/video/DVD file and make iPhone M4R ringtone. You can adjust the volume of the output iPhone ringtone and set the fade-in and fade-out effect of the ringtone. 3.User-friendly Experience You can pre-listen both your source video/audio sound and the effect of converted sound before you generate into iPhone. With this iPhone Ringtone Maker for Mac you can backup iPhone ringtone to iTunes or transfer to other iPhone devices.