Extract text from Unreal Development Kit packages (UDK)
To convert UDK packages to another format, you need Unreal Engine or other Game software.
To convert other file formats to the "Game Engine Package" file type, you need software like Unreal Engine or a similar tool.
.UDK files are proprietary game data packages and map files created by the Unreal Development Kit (UDK), a free edition of Unreal Engine 3 developed by Epic Games. They act as heavily compressed digital containers that store compiled game assets, including 3D meshes, textures, audio tracks, and UnrealScript code.
This format presents massive challenges for modern users. It is a legacy, closed binary format strictly tied to the Unreal Engine 3 ecosystem. .UDK files can easily exceed hundreds of megabytes and are completely useless in modern iterations of the engine like Unreal Engine 5. Furthermore, they cannot be opened by standard 3D modeling software like Blender or Autodesk Maya without specialized extraction.
Users typically need to convert or extract .UDK files to rescue legacy game projects or mod old games. The most practical conversion targets are standard formats: FBX or OBJ for 3D geometry, TGA or PNG for textures, and WAV for audio. However, extracting this data usually strips away engine-specific logic and complex material setups.
Because .UDK is a complex, proprietary archive, standard online file converters fail to process it. Only the original UDK editor or community-built reverse-engineering tools (like UE Viewer) can properly unpack the data. If our analysis detects standard embedded assets, viewing or extraction may still be possible.
Convert.Guru analyzes your UDK file, detects the exact format, and lets you read the text inside.
If you want to convert UDK file to EXE, ISO, BIN, CUE, PAK, WAD, PK3, PK4, BSP, MAP, SAV or DAT, you can use Unreal Engine or similar software from the "Game Engine Asset Package" 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 UDK, try Unreal Engine or another comparable tool in the "Game Engine Asset Package" 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 UDK converter.