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About GCFScape

GCFScape is a little tool that can open up as well as draw out from GCF files that are used by Heavy steam for game material storage. It can be downloaded and install.

GCFScape 1.7.1 or far better is required to open VPK documents. To search the base content of a game making use of VPK, you should open the index file pak_01_dir. vpk.


Idea: When you set up GCFScape make sure you associate GCF data with GCFScape so they'’ ll open instantly. The files will be provided icons if this has actually been done.

When a GCF is opened, the program will certainly resemble this:

Clicking the little button, you can browse the folders clicking them so they broaden and reveal subfolders like so, then clicking a folder will show the components to the right:

Right clicking a data will certainly bring up a context menu where you can remove from:

Clicking this will certainly raise a window where you can select your save location:

Clicking OK will draw out the file to your chosen location.

Supported Formats

In addition to GCF data, GCFScape likewise sustains Half-Life BSP, NCF, PAK, VPK, HEAP, and also XZP documents.you can find more here gsfscape from Our Articles


The adhering to options are readily available inside the choices menu in GCFScape:


Enable verbose logging (enabled by default). Disable this option to reduce log result. This can be valuable when you are removing large quantities of documents and also just intend to be educated of mistakes.

File Mapping

Enable Windows data mapping (made it possible for by default). Submit mapping is a reliable method of random documents gain access to. Some running systems have troubles with data mapping (specifically Windows 98) and may generate mistakes; disable this choice in such instances.

Quick File Mapping

Map the whole file to memory (rather than pieces of it as required). Properly caches the documents in memory. Can speed up things up if you have sufficient complimentary memory. Some operating systems have troubles with file mapping (in particular Windows 98) and might create mistakes; disable this alternative in such cases.

Unstable Access

Enable unpredictable documents access (allowed by default). By default, Vapor loads.gcf files in read/write setting as well as is reliant change their contents any time (as updates take place). Need to this happen, GCFScape would end up being unstable and most likely crash. Unpredictable accessibility allows you to open up GCF documents filled in Heavy steam at your very own danger. It is normally stable as well as can prove valuable for taking a look at which files Vapor is upgrading.

Compose Gain access to

Enable compose data accessibility (handicapped by default). Write access provides GCFScape the ability to change particular files and also is not compatible with unstable gain access to for the instability a mix of both would trigger. This option is required for GCF defragmentation.


In version 1.5.0, GCFScape added the ability to validate GCF data. This procedure calculates a series of crossbreed CRC 32 as well as Adler-32 checksums for each and every data within a GCF documents as well as contrasts each checksum to the checksums precalculated and stored within the GCF data. This function supplies a fast alternative to Steam for checking GCF corruption and listing corrupt as well as incomplete documents, but can not fix corrupted GCF files as Steam can.

To verify all or part of a GCF data using GCFScape, finish the complying with actions:

  1. Release GCFScape.
  2. From the Data food selection, open your GCF file.
  3. Surf to the top level folder you desire to confirm (origin for the whole GCF file).
  4. Right click the folder as well as pick Validate.
  5. Repeat steps 2-4 for each and every GCF file you want to validate.


In version 1.6.0, the capacity to defragment GCF documents was added to GCFScape. This function was included after numerous examinations by Nem showed that Vapor'’ s constructed in defragmenter did not always completely defragment a video game'’ s GCF documents. Actually, Vapor would commonly falsely report a fragmentation of 0% when truth fragmentation was as high or greater than 10%, a worth incredibly detrimental to efficiency.

GCFScape defines the fragmentation ratio to be the variety of made use of collections that are out of order divided by the complete number of used clusters. The initial collection in a data can never ever be out of order, so a documents that includes just one collection (commonly < <8192 B) can never be fragmented. At 10% fragmentation, a regular ~ 785 MB GCF data (approximately 100,000 collections at 8192 B per collection) would certainly need, on average, one look for procedure for each 80 KB of data check out. You can view the fragmentation of any documents or folder (origin for the whole GCF documents) by inspecting its properties.

To defragment your GCF data using GCFScape, finish the following steps:

  1. Shutdown Heavy steam.
  2. Introduce GCFScape.
  3. In the Options menu, allow Write Gain access to as well as disable Volatile Access.
  4. From the File food selection, open your GCF data.
  5. From the Tools food selection, choose Defragment.
  6. Repeat steps 4-5 for each and every GCF documents you want to defragment.

Keep in mind: The defragmentation process is rather sluggish, yet can be canceled and also returned to at any moment.

Running GCFScape

GCFScape requires. INTERNET 4.0 (or later on), and Aesthetic C++ 2010 Runtime (x86 or x64) to run.

These demands relate to all operating systems, MacOS as well as Linux individuals will certainly need to install these in order to run GCFScape with Red wine.

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