All about FGD Files

The FGD file type is primarily associated with Valve Hammer Editor.

FGD	File extension: FGD
	File type:	plain text configuration file

What is an FGD file

FGD files mostly belong to Valve Hammer Editor. FGD files are definition files that list and describe entities used by specific software. They are most common with the Valve Hammer Editor where they define game objects, properties, and how levels are built.
Other uses include:

3D printer configurations, where the file stores Forge Game Data instructions.

GIS applications, specifically for map metadata in ArcGIS Desktop handling USGS Digital Raster Graphic information.

FilExt.com tip: This plain text format can be opened in a simple text editor and is used to customize and extend the behavior of the software. For more details on the Valve Hammer Editor, see Valve Hammer Editor, and for ArcGIS Desktop, visit ArcGIS Desktop Overview.

How to open an FGD file

You need a suitable software like Valve Hammer Editor to open an FGD file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your FGD file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a FGD file directly in the browser:. Just drag the file onto this browser window and drop it.

Online FGD Text Viewer

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Programs that open and convert FGD files:

Valve Hammer Editor
See the previous paragraphs to learn more about the main application. FGD files are often referred to as Valve Hammer Editor games because this type of file is primarily created or used by this software.
Digital Raster Graphic Metadata File
Folder Guard Data
Half-life Modification Map Configuration File
(also see .BSP)

Technical Data for FGD File Extension

File classification:

Game

Related files:

vmf, bsp, vmt, map, mdl, fdg, rar, pqi, pqo, obj

Mime type:

application/x-director, image/tiff

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: fgd_file
EXEFile: C:\UDEWIN\ude.exe %1

an fgd plain text configuration file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with FGD files

Associate the FGD file extension with the correct application.
Update your software that should actually open plain text configuration files. Because only the current version supports the latest FGD file format. Search, therefore, e.g. on the manufacturer website after an available Valve Hammer Editor update.
To make sure that your FGD file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .FGD file online - secure, fast, and no downloads needed.