From ImTOO Software Studio:

*ImTOO iPhone Video Converter for Mac, a faultless iPhone video converter, can convert all popular audio and video files, such as AVI, MPEG, WMV, MP4, VOB, AC3, MP3, to the formats supported by iPhone/ iPod including MP4, M4A, MP3 etc. *Features: 1.Numerous players supported--The software is a professional mp4 tool for iPhone 2.Super fast speed provided--No limitation for highest speed, conversion speed will be improved with better performance of your Mac;Multithreading and batch conversion supported;Fully support Intel Core 2 CPU and >200% converting speed provided 3.So simple settings provided that almost few clicks to finish the whole conversion 4.Trim function for video and audio clip supported 5.Both default settings and professional ones provided 6.Snapshot supported in preview process 7.Number of the display profiles can be selected 8.Multi-language supported 9.You can pause, stop or continue at any time you like in the conversion process 10.You can preview the files to be converted 11.You can view the information of the original files 12.Edit function for ID3 tag of MP3 format provided *ImTOO Software Studio as the publisher gives excellent FREE after service to buyers and FREE technical support to all trial users. And all users' emails will be replied within a business day except holidays or weekends! So powerful in function, so affordable in price, so easy in use, so fast in speed and so considerable in service! Why not have a free try by yourself? The download is FREE