DFF

Model files in Grand Theft Auto games since GTA3 have used the .dff extension. They are just one of a number of RenderWare binary stream files, used by Rockstar North on PC, Xbox and PS2 GTAs. Various tools and scripts can be used for a variety of 3D modelling programs in order to edit or create models for use in GTA games.

Tools and Scripts

 * ZModeler 2
 * 3DSMax/Gmax import/export
 * Blender import/export
 * LightWave export
 * Dextool (2dfx export from 3DSMax)