File Extension Library

.VDF File Extension

  • Developer by: Valve
  • Category: Game Files
  • Format: Text

What are .VDF files and how to open them?

Can't open .VDF file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .VDF file.

What is a .VDF file extension?

.VDF file extension is created by Valve. .VDF has been classified as Game Files. The format of .VDF file is Text.

.VDF is Valve Data File

A VDF file is a data file format used by Valve's Source game engine. It contains various kinds of game metadata, including data for resources, installation scripts, configuration scripts, and visualization elements.

VDF files can often be seen when installing games distributed through Valve's Steam game client, such as Half-Life 2 and Counter-Strike. The file features Valve's KeyValues format, which is a plain text format that saves key-value parameters in a tree hierarchy. The format is similar to JSON and YAML. While VDF files are meant to be used by the Valve Source game engine, you can open the files with a text editor to view the contents.

NOTE: You can view more information about Valve's KeyValues format on the KeyValues Wiki Page.

List of all softwares that can open the Valve Data File
Valve Source SDK
Microsoft Notepad
File Type 2 AntiVir Virus Definitions File
Developer by: Avira Operations Category: Data Files Format: Binary

Data file used by AntiVir, an antivirus application for Windows; saves virus definitions, which contain signatures that are used for recognizing viruses on the computer system; often downloaded during software updates so the software can check for new viruses.

VDF files are saved to the AntiVir installation directory and have the filenames vbase000.vdf, vbase001.vdf, etc.

List of all softwares that can open the AntiVir Virus Definitions File
Avira Antivirus Pro 2019
File Type 3 VirtualDub Video Filter
Developer by: VirtualDub Category: Plugin Files

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.

List of all softwares that can open the VirtualDub Video Filter
File Type 4 Gothic Game Data File
Developer by: Piranha Bytes Category: Game Files

Data file used by the Gothic video game series; contains worlds, characters, 3D models, textures, and sounds; Gothic II VDF files are stored in the /Gothic II/Data folder.

VDF files may be edited with GoMan or a hex-editor, but typically should not be altered. Incorrectly modifying VDF files may make them unusable.

How to fix problems with .VDF files

  1. You need to update the application that you normally use to open .VDF files. Only the latest version of the software supports the current .VDF file format
  2. You need to check the .VDF file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)