: Download and extract the .zip file into the folder containing your .wud game files.

wudcompress --help

Here is exactly how to install and use Wudcompress to optimize your library.

wudcompress verify my-updates.wud

is a lightweight, open-source tool primarily used by the Cemu community to compress large Wii U game images from the .wud format into the more manageable .wux format. Key Features & Performance

Create a dedicated tools folder on your system drive (e.g., C:\WiiU_Tools\WudCompress ).

The process is reversible—you can decompress a .WUX back into its original .WUD form without losing any data. How to Install WudCompress

If it is in a zip folder, extract wudcompress.exe to a dedicated folder on your computer (e.g., C:\WiiU\Tools ).