AVI to 3GP is one freeware for converting AVI video to 3GP video format, it is one totally free software form www.avito3gp.com, it can decode AVI video data and convert to 3GP video format quickly, it can support batch conversion, and the supported AVI video formats include: MPEG1/2, MPEG4, DivX, Xvid and more. This software has one friendly interface, and be easy to use very much.