75 catalogued formats

Game File Formats

Game formats are usually tied to an engine, a platform, or a particular title. PAK and VPK archives may contain textures, audio, and scripts, while save files and asset bundles often use proprietary serialization. A generic converter cannot safely rewrite most of them without understanding the game or engine.

Why this format suite matters

  • Game archives may be compressed with engine-specific methods.
  • Modding tools and engine SDKs provide safer access than ad hoc extraction.
  • Save files can contain checksums and version data that break if edited blindly.

Common formats in this suite

A sample of the catalog. Not every extension has a live converter.

All converters
FormatExtensionMIMENotes
WAD.wadapplication/octet-streamWAD game file format
ROM.romapplication/octet-streamROM game file format
SAV.savapplication/octet-streamSAV game file format
UASSET.uassetapplication/octet-streamUASSET game file format
A26.a26application/octet-streamA26 game file format
A78.a78application/octet-streamA78 game file format
BA2.ba2application/octet-streamBA2 game file format
CCI.cciapplication/octet-streamCCI game file format
CDI.cdiapplication/octet-streamCDI game file format
CDT.cdtapplication/octet-streamCDT game file format
CISO.cisoapplication/octet-streamCISO game file format
COL.colapplication/octet-streamCOL game file format
CSO.csoapplication/octet-streamCSO game file format
CXI.cxiapplication/octet-streamCXI game file format
GCM.gcmapplication/octet-streamGCM game file format
GCZ.gczapplication/octet-streamGCZ game file format
GDI.gdiapplication/octet-streamGDI game file format
GEN.genapplication/octet-streamGEN game file format
GG.ggapplication/octet-streamGG game file format
GS.gsapplication/octet-streamGS game file format
LNX.lnxapplication/octet-streamLNX game file format
MCR.mcrapplication/octet-streamMCR game file format
MCS.mcsapplication/octet-streamMCS game file format
Markdown Document.mdtext/markdownMD game file format
MD5.md5application/octet-streamMD5 game file format
N64.n64application/octet-streamN64 game file format
NGC.ngcapplication/octet-streamNGC game file format
NGP.ngpapplication/octet-streamNGP game file format

Showing 28 of 75 catalogued formats. Use the converter directory for supported tools.

Common workflows

Modding

Use the engine's official tools and keep backups before editing packed assets.

Asset inspection

Identify the engine and archive version before choosing an extractor.

Save preservation

Back up save folders before moving a game between systems.

Before you convert

Start with the application that must open the result. Use the engine's official tools and keep backups before editing packed assets. Keep the original file until the output has been opened and checked. A format name alone does not guarantee compatibility, especially for game file formats data that may include references, layers, or platform-specific metadata.

  • Confirm the source file opens correctly in its original application.
  • Identify the exact format and version the destination accepts.
  • Keep the source until the converted file has been reviewed.

Frequently asked questions

Can I extract a PAK file with a normal ZIP tool?
Usually not. PAK formats are engine-specific and may use custom compression or encryption.
Are game save files portable?
Some are, but platform, account, and version checks can prevent a save from loading elsewhere.
Is modding safe?
Keep backups and use official or well-reviewed tools. Modified files can break achievements, multiplayer, or game stability.
Does this site convert game files?
No generic game conversion is promised. Use engine-specific tools for assets and saves.
What should I check before converting a game file formats file?
Confirm that the source opens in its original application, identify the format the destination requires, and keep an untouched copy. Test one representative file before processing a batch, especially when metadata, links, geometry, or layout matters.

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