| Flag | Effect | |------|--------| | --dedup | Enable chunk-level dedup during encoding. | | --chunk-size=N | Target average chunk size (default 64KB). | | --min-chunk=N , --max-chunk=N | Bounds for variable chunks. | | --lazy | Lazy chunk matching (higher compression, slower). |
: Always keep the deduplication database ( .bin ) with your installer; without it, the data cannot be decoded. xtool -dd deduplication
: xtool.exe precomp -mzlib+preflate --dedup=xtool.bin - - precomp : Tells XTool to begin the precompression phase. | Flag | Effect | |------|--------| | --dedup
XTool is often described as a "preprocessor." It doesn't just compress data; it prepares it so that other tools (like SREP or 7-Zip) can achieve much higher ratios. xtool -dd deduplication