---
title: kCGImagePropertyJFIFYDensity
framework: imageio
role: symbol
role_heading: Global Variable
path: imageio/kcgimagepropertyjfifydensity
---

# kCGImagePropertyJFIFYDensity

The y pixel density.

## Declaration

```swift
let kCGImagePropertyJFIFYDensity: CFString
```

## See Also

### Quality Information

- [kCGImagePropertyJFIFXDensity](imageio/kcgimagepropertyjfifxdensity.md)
- [kCGImagePropertyJFIFDensityUnit](imageio/kcgimagepropertyjfifdensityunit.md)
- [kCGImagePropertyJFIFIsProgressive](imageio/kcgimagepropertyjfifisprogressive.md)