v3.1 [Apr 30, 2008] now converts both from 3GP and to 3GP and supports batch mode conversion
Convert and edit audio, video, and DVD files, and convert documents.
One of the most powerful video editors to create high-quality productions.
Create, edit, and enhance your audio files with a professional open-source tool.
All-in-one 3GP conversion tool.
This program allows you to convert video files into 3GP files.