is a heavy-duty data precompressor and command-line utility created by the developer Razor12911 What is Xtool.exe : r/PiratedGames - Reddit . It is heavily utilized by game repackers (such as FitGirl, DODI, etc.) to significantly reduce game installation sizes What is Xtool.exe : r/PiratedGames - Reddit.
Depending on the version, the library may include: xtool library by razor12911 repack