How convert movies to iPhone?

At moment many tools are available for free on the Internet, that compress video and audio to viability watch movies with iPhone, at the moment the iPhone accept two basic video formats:  MPEG-4 (.mp4 and .m4v)

Follow some applications to do it:

The first tool is iTunes, is much simple to convert movies using it, but in some cases, the conversion is mighty slow. Simply select a file from your video list, right-click it, and choose “Convert Selection for iPod” to create an MP4 movie.

The most user-friendly tool I’ve found for ripping a DVD into an MP4 file for the iPod or iPhone is the free Plato DVD to iPod Converter. Simply hit Open, select your DVD location, and hit OK. You’ll have an iPod-ready video before you know it.

An excellent bare-bones option for converting video formats is the slightly confusing Kate’s Video Converter. It includes everything you need to transform video into MP4 or MOV files, but you may have to experiment a bit to find the codec you need

One of the more interesting video converters I’ve seen recently is CinemaForgeLite, a tool for grabbing Web movies from sites like YouTube and transforming them into iPod-ready video files. A simple wizard walks you through the process, or an advanced interface lets you customize settings like frame size and bit rate. It seems to work best on YouTube and major video-sharing sites.