There are dozens of software to convert Audio and Video files from One Formats to another . Today i am going to say one of the Most widely used Converter Softwares-
Format Factory. The Software supports many formats and is available for free!
Some of the Feature are
* Converts from and to MP4/3GP/MPG/AVI/WMV/FLV/SWF.
* Rip DVD to video file , Rip Music CD to audio file.
* MP4 files support iPod/iPhone/PSP/BlackBerry format.
You can download from : http://www.formatoz.com/download.html