WudCompress is a specialized, open-source utility developed by the Cemu team to losslessly compress Wii U Disc Image (WUD) files into WUX format by eliminating duplicate sectors. The tool significantly reduces file sizes—often from ~23.3 GB to under 2 GB—and is designed for use with the Cemu emulator. View the repository at GitHub cemu-project/WudCompress .
The tool addresses the large, fixed file size of standard Wii U disc dumps—which are typically ~23GB regardless of the actual data content—by removing the "padding" or empty space. WudCompress
: Converts files without losing game data, ensuring the original WUD can be reconstructed perfectly. WudCompress is a specialized