The xTool Library itself is legal software. However, it is often used to repack copyrighted games. This piece does not encourage piracy. Use the tool only for software you own or have permission to modify.
Can identify and remove duplicate data streams to improve both final compression ratios and decoding times.
It natively supports modern game codecs that have replaced zlib, including lz4, zstd, and Oodle (Kraken, Mermaid, etc.).
Unlike older single-threaded tools, Xtool supports multi-threading for both encoding and decoding across various codecs like zlib, flac, and packjpg.
Disclaimer: This post is for informational purposes. Ensure you own the legal rights to any game files you are archiving or modifying.
xtool is typically used as a pre-processor in a command-line chain.