IW4 Converter

Convert game data files (IW4) online for free

Select File
Drop or upload your .IW4 file

Online File Converter

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How to convert your IW4 file

Click the "Select File" button above, and choose your IW4 file.
You'll see a preview.
Click the "Convert file to..." button to save your file in the format you want.

Convert IW4 to another file type

The converter easily converts your IW4 game files to various formats - free and online. No Call of Duty: Modern Warfare 2 or or other Game software needed.

IW4 to WEBP
IW4 to ECW
IW4 to J2K
IW4 to WMP
IW4 to JPF
IW4 to BIE
IW4 to JBIG
IW4 to JPC
IW4 to LDF
IW4 to IWC
IW4 to WLM
IW4 to EMF

Convert a file to IW4

To convert other file formats to the "Game Engine Data" file type, you need software like Call of Duty: Modern Warfare 2 or a similar tool.

About IW4 files

The .iw4 file extension identifies a game data archive or recording file utilized by the Infinity Ward 4.0 engine, most notably powering Call of Duty: Modern Warfare 2. These files serve as containers for proprietary game assets - ranging from compiled geometry and textures to demo replay data used by the game's theater or modding clients (such as the IW4x project).

For most users, the primary challenge is that .iw4 files are locked, binary blobs. You cannot simply double-click them to view a replay in VLC Media Player or edit a texture in Adobe Photoshop. They rely on the game engine to interpret the data stream.

Conversion Best Practices:

For Replays: If your file is a demo recording, "converting" it to MP4 or AVI requires playing the file within the Call of Duty: Modern Warfare 2 engine and using screen recording software like OBS Studio. Direct file-to-video conversion is impossible because the file contains coordinate data, not video frames.
For Assets: To access the audio or textures inside a data archive, you need specialized extraction tools (like Wraith Archon or Greyhound) to export them into usable formats like WAV (audio), PNG (images), or OBJ (3D models).

Use Convert.Guru to open and convert your IW4 file.

Users also converted CGP, FF and DM_3 files.

FAQ

If you want to convert IW4 file to , you can use Call of Duty: Modern Warfare 2 or similar software from the "Game Data Archive" category. In the File menu, look for Save As… or Export….

To convert files to IW4, try Call of Duty: Modern Warfare 2 or another comparable tool in the "Game Data Archive" category.

The IW4 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 IW4 converter.