---
title: MTLIOCompressionMethod.zlib
framework: metal
role: symbol
role_heading: Case
path: metal/mtliocompressionmethod/zlib
---

# MTLIOCompressionMethod.zlib

Indicates that a file uses the zlib compression algorithm codec.

## Declaration

```swift
case zlib
```

## Discussion

Discussion For more information on the zlib codec, see: Algorithm.zlib COMPRESSION_ZLIB

## See Also

### Compression codecs

- [MTLIOCompressionMethod.lzfse](metal/mtliocompressionmethod/lzfse.md)
- [MTLIOCompressionMethod.lz4](metal/mtliocompressionmethod/lz4.md)
- [MTLIOCompressionMethod.lzma](metal/mtliocompressionmethod/lzma.md)
- [MTLIOCompressionMethod.lzBitmap](metal/mtliocompressionmethod/lzbitmap.md)