# ooz Open source Kraken / Mermaid / Selkie / Leviathan / LZNA / Bitknit decompressor Can also compress Kraken / Mermaid / Selkie / Leviathan Also supports using oo2core_7_win32.dll / oo2core_7_win64.dll which can be acquired from the free game Warframe on steam. ``` ooz v7.0 Usage: ooz [options] input [output] -c --stdout write to stdout -d --decompress decompress (default) -z --compress compress -b just benchmark, don't overwrite anything -f force overwrite existing file --dll decompress with the dll --verify decompress and verify that it matches output --verify= verify with files in this folder -<1-9> --level=<-4..10> compression level -m [k|m|s|l|h] compressor selection --kraken --mermaid --selkie --leviathan --hydra compressor selection (Warning! not fuzz safe, so please trust the input) ```