M4V is a standard file format for videos for iPods and PlayStation Portables developed by Apple. It is based on the MPEG-4 AVC video codec. It is used for films, TV shows and Music Videos in the iTunes Store. It may contain FairPlay DRM for TV and Movies or unprotected for a Podcast or some music videos.
QuickTime Player can also open and play .M4V files, even if they are encrypted with FairPlay.
Just like MP3s work by compressing music and audio files without affecting the audio quality, MP4 files are compressed video files. MP4 is also known as MPEG-4 AVC, or advanced video coding. This new technology is going to make video files decrease in size so that they are easier to work with and support. What used to be massive video files of motion and audio are now compressed versions of the same material, called MP4s.
You can invest some money on the total video converter, though it may cost a few dollars. It's worth because the total video converter can convert almost all kinds of iTunes video, even the iTunes DRM protected videos.
M4V Converter Plus can remove the DRM (file protection enforced by Apple) from M4V and convert M4V to unprotected MP4, MOV and M4V which is the most popular video format and is widely supported by various portable media players of any brand or model. Also MP4 is supported by iPod, iPhone, PSP, kinds of Mobile Phones.
M4V Converter Plus can also help you to remove the restrictions on use enforced on M4V videos which you bought from iTunes, and convert M4V to other video formats supported by various portable devices. That means, with the iTunes M4V Converter, you can enjoy the videos bought from iTunes on any of your portable video player.
The software will open the iTunes library automatically. The M4V Converter also supports batch conversion. Several files can be converted at the same time.
For a freshman the default output file format always works. Or you can choose the profile drop-down list to the fit output format Same as source for MP4. For pro users, customizing the detailed parameters is supported.