LBQ 3GP Converter is a powerful, and very simple to use application for 3GP to AVI (Dixv, Vxid, WMV, 3GP, MP4, MOV etc) converting.With LBQ 3GP Converter and a few clicks you can then play the 3gp file in all common media players, such as Windows Media Player.

And also can convert other video formats to 3GP file.
LBQ 3GP Converter supports most popular video formats such as DivX, XviD, WMV, 3GP, AVI, MP4, M4V, ASF, RM, RMVB, MOV, VOB and MPEG to 3GP video format.The 3GP converter can also convert 3GP file that only have audio from all popular audio formats, including MP2, MP3, M4A, AC3, AAC, RA, WMA, OGG, APE, CUE etc.The LBQ 3GP Converter does not need external Video codec download.

It uses its own Video codecs.
LBQ 3GP Converter supports batch converting, very simple settings, And the simple and friendly ("Step by Step" Wizard) interface makes it easy to use.