This software tool lets you make ringtones for your iPhone from MP3 tracks as well as video clips in many formats.
4Videosoft iPhone Ringtone Maker is capable of making M4R formatted ringtones for use on iPhone devices. You would be able to convert MP3 to iPhone, iPhone OS 3.0/3.1 ringtones. You could extract audio from videos in a range of formats too. Thus a whole set content in formats that include 3GP, AVI, MKV, RM, MOV, XviD, MPEG, WMV, DivX, MP4, H.264/AVC, AVCHD, WMA, WAV, RA, M4A, MP3 can be converted to M4R iPhone ringtones. Any length of the original content can be converted, post edited and then reviewed before installing on the phone. You would be able to preview the input as well as the converted ringtone through this application. DVD content also can be converted to ringtones thus the soundtrack of your favorite movies could be a ringtone to your favorite device.
These converted ringtones are easily exported to the iPhone, iPhone 3GS, iPhone 4 without the need for going through iTunes. The interface is very intuitive. The whole operation of converting takes just a few steps. The first of these is to collect a batch of the files you want to convert. You specify start time and end time and a output local file. You can choose the start/stop points by actually playing the audio/video track. A click on the generate button gets the conversion going. If you are like most users who like to choose a personalized track as ring tone, and like to change them often, then this tool could be very useful.