wszst
Author(s) Wiimm
License GPLv2
Written in C
Platform support Cross-platform
Website https://szs.wiimm.de/wszst/

wszst is a set of tools for Nintendo Wii formats, some of which are still used in modern Nintendo games. In particular, it is a fast and efficient Yaz0 (de)compression tool.

Setup

Download the latest version from the official website.

Usage

wszst is a CLI tool. For help with using the command line, see Help:Using the command line.

Note: by convention, file extensions that start with an s are usually used for Yaz0-compressed files.

Decompress

wszst decompress {compressed file} {decompressed file}

Compress

wszst compress {uncompressed file} {compressed file}