Filter plugin for VirtualDub, a video capture and processing utility program for Windows; adds extra features such as special effects and additional file support to the VirtualDub program.

VDF filters can be loaded into VirtualDub by clicking on the "Load" button in the Add Filters dialog box. They will be loaded automatically if the VDF files are placed in the plugins folder within the VirtualDub program folder.

Gothic VDF files contain game resources including 3D models, textures, and sounds. They are used by both Gothic I and Gothic II.

The Gothic games are single-player 3D role-playing games (RPGs). They are developed by Piranha Bytes, a German game development company.