VDF

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April 2024

VDF or Valve Data File is file format used in source games to store various types of game-related metadata. VDF files store information data for resources, installation scripts, configuration scripts, and visualization elements.
They can often be seen when installing games distributed through Valve's Steam game client, such as Half-Life 2 and Counter-Strike.
VDF also holds a filter plugin for virtual dub video capture and processing software application.

VDF file format

"keyvalue 1"
{
  "keyvalue_2"
  {
    "keyvalue.3"
    "keyvalue4"
  }
}

Example

An example for controller motion from half-life 2 controller_motion_steamcontroller_gordon.vdf

 "controller_mappings"
{
	"version"		"3"
	"revision"		"25"
	"title"		"#Title_Portal_Motion"
	"description"		"#Description_Portal_Motion"
	"creator"		"76561198042570256"
	"progenitor"		"default://400"
	"export_type"		"unknown"
	"controller_type"		"controller_steamcontroller_gordon"
	"major_revision"		"1"
	"major_revision_affects_mousekb" "1"
	"major_revision_affects_xinput" "1"
	"minor_revision"		"0"
	"Timestamp"		"0"
	"actions"
	{
		"GameControls"
		{

another example hammer.vdf

"UserConfigData"
{
	"resource"
	{
		"mdlpicker.res"
		{
			"FileBrowserSplitter"
			{
				"child0"
				{
					"AssetSplitter"
					{
						"child1"
						{
							"AssetBrowser"
							{
								"lastBarWidth"		"532"
								"0_hidden"		"0"
								"0_width"		"52"
								"1_hidden"		"0"
								"1_width"		"481"
							}
						}
						"0_splitter_pos"		"296.500000"
						"1_splitter_pos"		"593.000000"
					}
				}