iPhring is a freeware that lets you create ringtones for your apple iPhone. With this tool, you can easily convert your audio or video file to an iPhone ringtone. It supports WAV, MP3, WMV, WMA, MP4 and many other audio and video formats. It can extract sound and music from any video clip. Use any video clip of your choice to extract music for your custom ringtone. It has an integrated ringtone cutter so that you can select a period and then transfer the created ringtone to your iPhone and iTunes. You can also use its Fade In/Out and advanced special effects to give your ringtone a unique style.