XviD is a video codec just like DivX.Most new movies and videos are being encoded with XviD.

XviD is the best currently available MPEG-4 video codec solution and additionally XviD is free software.
Aplus XviD to PSP converter is a professional PSP converter which helps you convert PSP videos.It is capable of converting XviD to PSP format.It is a powerful PSP converter with fast conversion speed.
With it, you can enjoy your favorite internet movie on your PSP anywhere and anyway.

,It also can convert AVI, DIVX, XVID, MPEG, MPEG1, MPEG2,RM, RMVB, MOV, WMV, WMA, MP3, MP4, VOB, SWF to PSP Video.