You can download it for free from the official Razer Cortex website .
Point the tool at your target directory or file. razer xtool compress app
At its core, is an advanced precompression and preprocessing utility . Unlike standard zip apps, it doesn’t just "pack" files; it analyzes data streams (like zlib, flac, and lz4) to optimize them for even deeper final compression. You can download it for free from the
Use xTool Air-Compress Assist on xTool S1 - xTool Support Center it doesn’t just "pack" files