Download software tagged by free you can convert various video files to mp4 video and m4a audio files and play them in your mp4 player its operation is simple

PDA to MP4 Backup is a great, all-in-one video converter which can help you convert all video files such as AVI, WMV, MPEG, ASF, VOB, 3GP, iPhone, MOV, FLV to MP4 video.

Clone2go DVD to MP4 Converter enables you to rip DVD and convert MP4 video files to other formats such as WMV, 3GP and FLV. The Converter can also convert MOV, 3GP, MPG, RM, RMVB, M4V, AVI, ASF, FLV, VOB and MKV to MP4 format.

QT to MP4 Backup is a great, all-in-one video converter which can help you convert all video files such as AVI, WMV, MPEG, ASF, VOB, 3GP, iPhone, MOV, FLV to MP4 video.

Professional CD M4A Audio to RA Ripper supports multiple drivers. There is a audio converter built in Super CD to WMA Maker, which supports converting MP3, WAV, WMA, OGG from one format to another.

Nidesoft Sony XPeria Video Converter can convert any video files to XPeria X1 movie and music: AVI, 3GP, MP4, AVC, MP3, etc. with high conversion speed and excellent quality. It could also support many other portable player and video format.

Allok Video Converter is an All-in-One video converting tool which can convert all video files to AVI, MPEG, WMV, MP4, H264, 3GP, FLV etc.

VOB to MP4 Converter is a great, all-in-one video converter which can help you convert all video files such as AVI, WMV, MPEG, ASF, VOB, 3GP, iPhone, MOV, FLV to MP4 video.

How to Convert Myspace Video to Zune is a great, all-in-one video converter which can help you convert all video files such as AVI, WMV, MPEG, ASF, VOB, 3GP, iPhone, MOV, FLV to MP4 video.

Specially designed for Xbox users, AVCWare Xbox Video Converter can convert video files to Xbox/Xbox 360 video, as well as convert them to MP3, WMA and WAV music with high conversion speed.