GCF Converter

Extract text from GCF files

Select File
Drop or upload your .GCF file

Online File Converter

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How to extract text from your GCF file

Click the "Select File" button above, and choose your GCF file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.

Convert GCF to another file type

To convert your GCF file to another format, you need GCFScape or other Game software.

GCF to EXE
GCF to ISO
GCF to BIN
GCF to CUE
GCF to PAK
GCF to WAD
GCF to PK3
GCF to PK4
GCF to BSP
GCF to MAP
GCF to SAV
GCF to DAT

Convert a file to GCF

To convert other file formats to the "Game Asset Archive" file type, you need software like GCFScape or a similar tool.

MOD to GCF
BIN to GCF
CFG to GCF
SCX to GCF
DAT to GCF
MPQ to GCF
LOG to GCF
CUE to GCF
INI to GCF
EXE to GCF
SCM to GCF
ISO to GCF

About GCF files

A .GCF file is primarily a Game Cache File, a virtual file system format previously used by Valve for the Steam content delivery system. These files act as massive containers that store game data - such as textures, audio, models, and maps - for older Source engine titles like Half-Life 2 and Team Fortress 2.

Because the format is proprietary and designed to efficiently update games without redownloading entire directories, standard operating systems cannot open or view them natively. Users often encounter these files when trying to access game assets for modding, archiving, or recovering old backups. While Valve has largely replaced .GCF with the VPK (Valve Pak) format, legacy installations and backups still retain them.

Common Friction Points:

Locked Content: You cannot double-click to view the contents; the file appears as a single large "blob."
Obsolescence: Modern Steam clients automatically convert these to newer formats, making raw .GCF files difficult to handle without specific legacy tools.
Size: Files can range from gigabytes to terabytes, making casual sharing impossible.

Conversion & Extraction Solutions:

For Modding (Textures/Audio): You generally do not "convert" the .GCF itself but rather extract its contents. Use GCFScape to open the container and export internal files to standard formats like PNG (images), WAV (audio), or BSP (maps).
For 3D Modeling: Extract model files and convert them using tools like Blender.

Secondary Use Cases:

Riello UPS Config: A .GCF file may also be a configuration backup for Riello UPS systems created via PowerShield 3 software. These are small text or binary settings files, not game archives.
Geomagic 3D: Occasionally associated with Geomagic software as a model project file.

Convert.Guru analyzes your GCF file, detects the exact format, and lets you read the text inside.

Users also converted FCA, SGX and FIB files.

The GCF Converter Story

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 GCF converter.