# `DecompressZ`

*Function*

## Declaration

```swift
func DecompressZ(_ sourceData: Data) -> Data
```

```objc
NSData *DecompressZ(NSData *sourceData);
```

```python
DecompressZ(sourceData: bytes) -> bytes
```

## See Also

### Data and Source Processing

- [`CompressZ`](/Core/GlyphsCore/CompressZ)
- [`GSRemoveComments`](/Core/GlyphsCore/GSRemoveComments)