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An experimental toolset for Unity asset and asset bundle files.

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DisUnity

An experimental command-line toolset for Unity asset and asset bundle files, mostly designed for extraction.

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The latest build can be found on the releases page.

Usage

disunity <command> <file>

Note: depending on the platform, you may need to run disunity.bat (Windows) or disunity.sh (Linux/MacOS). In case the launch script fails, try java -jar disunity.jar.

Available commands

Command Purpose
dump Converts binary object data to human-readable plain text, similar to the binary2text tool shipped with the Unity editor.
dump-struct Like dump, but just for the structure information.
extract Extracts asset objects to regular files (.txt, .wav, .tga, etc.). See SUPPORT.md for a list of supported asset types.
extract-raw Extracts raw serialized object data. Could be useful for manual extraction if extract doesn't support the wanted asset type.
extract-txt Like dump, but writes the output to text files instead of the console.
extract-struct Like extract-txt, but just for the structure information.
learn Learns the structure information from the submitted files and stores any new structs in the database file structdb.dat. The database is required to deserialize standalone asset files, which usually don't contain any structure information.
info Outputs various information about assets and asset bundle files.
info-stats Outputs class usage statistics for asset files.
bundle-extract Extracts all packed files from asset bundles.
bundle-inject Injects files previously extracted with the bundle-extract back into the asset bundle.
bundle-list Lists all files contained in asset bundles.
split Attempts to split an asset file into multiple smaller asset files.
list Lists all asset objects in a tabular form.

Other parameters

Run disunity with the -h parameter for further usage.

Examples

Extract all supported assets from a bundle file:

disunity extract Web.unity3d

Extract all packed files from two bundle files:

disunity bundle-extract episode1.unity3d episode2.unity3d

Extract textures from the asset file sharedassets0.assets:

disunity extract -f texture2d sharedassets0.assets

Dump web player configuration from the file named Web.unity3d:

disunity dump -f playersettings Web.unity3d

Show information about all asset files in the directory "assets":

disunity info assets\*.asset

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An experimental toolset for Unity asset and asset bundle files.

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