# MZ_COMPRESS_LEVEL Compression level enumeration. |Name|Code|Description| |-|-|-| |MZ_COMPRESS_LEVEL_DEFAULT|-1|Default compression level (6)| |MZ_COMPRESS_LEVEL_FAST|2|Fast compression level| |MZ_COMPRESS_LEVEL_NORMAL|6|Mid compression level| |MZ_COMPRESS_LEVEL_BEST|9|Slow compression level|