Minecraft wiki entry for Custom_texture_packs, associated text: The original textures are located in the game Java Archive file minecraft.jar. Any zip archiver should be able to extract files from it as the Java Archive format is just a subset of the common zip format. The exact procedure for locating the game archive and extracting the files from it varies by the operating system. Below is a list of files and subfolders of interest while creating a new texture pack: