Extract text from FGD files
To convert your FGD file to another format, you need Valve Hammer Editor or other Game software.
To convert other file formats to the "Configuration File" file type, you need software like Valve Hammer Editor or a similar tool.
The .FGD file extension primarily refers to the Forge Game Data file, a text-based definition format used by the Valve Hammer Editor for creating maps in Source engine games like Half-Life 2 and Team Fortress 2. These files define the properties, input/output connections, and class structures of entities available to level designers. The main constraint users face is that .FGD files are strictly configuration dictionaries - they are not playable map files (BSP) or 3D models (MDL), meaning they cannot be opened by game players or standard 3D viewers. To view or edit the raw entity definitions, the best solution is converting or renaming them to TXT, allowing access via generic text editors like Notepad++ or Sublime Text.
A secondary but significant use of the extension is for FreeCAD Assembly3 data. These files store assembly constraints and relationships within the FreeCAD ecosystem. A major problem here is the specific dependency on the Assembly3 workbench; if you try to open these in standard FreeCAD without the plugin or in other CAD tools like AutoCAD, the file will likely be unrecognizable. For sharing or archiving, converting the assembly to a neutral format like STEP or IGES via the FreeCAD export menu is critical. Lastly, .FGD files occasionally appear as metadata for USGS Digital Raster Graphics, often requiring conversion to XML or CSV for modern GIS software compatibility.
Convert.Guru analyzes your FGD file, detects the exact format, and lets you read the text inside.
Users also converted TXT, WTF, OL and VMF files.
If you want to convert FGD file to EXE, ISO, BIN, CUE, PAK, WAD, PK3, PK4, BSP, MAP, SAV or DAT, you can use Valve Hammer Editor or similar software from the "Game Entity Definitions" category. In the File menu, look for Save As… or Export….
To convert MOD, BIN, CFG, SCX, DAT, MPQ, LOG, CUE, INI, EXE, SCM or ISO files to FGD, try Valve Hammer Editor or another comparable tool in the "Game Entity Definitions" category.
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our FGD converter.