From 4Videosoft Studio:
4Videosoft 3GP Video Converter is the most professional 3GP Video Converter to convert any popular video to 3GP video format with no quality loss and extract audio from video formats to AAC, AC3, MP3, M4A, MP2, WAV audio with super speed and excellent quality. You can do watermarking by adding image or text title in personality and you can freely enjoy the converted files can be viewed on most of the cell phones.
1.compatible with Windows 8
2.convert MP4, FLV , MOV, M4V, WMV and 70 more to 3GP
3.extract audio from the video files to AAC, WMA,M4V, M4A, AMR, MP3
5.The converted files can be viewed on most of the cell phones