---
title: preferredThumbnailSize
framework: uikit
role: symbol
role_heading: Instance Property
path: uikit/uiimagereaderconfiguration/preferredthumbnailsize
---

# preferredThumbnailSize

The thumbnail size in pixels that the image reader makes the image.

## Declaration

```occ
@property (nonatomic, assign, readwrite) CGSize preferredThumbnailSize;
```

## Discussion

Discussion The default value is CGSizeZero.

## See Also

### Configuration properties

- [prefersHighDynamicRange](uikit/uiimagereaderconfiguration/prefershighdynamicrange.md)
- [preparesImagesForDisplay](uikit/uiimagereaderconfiguration/preparesimagesfordisplay.md)
- [pixelsPerInch](uikit/uiimagereaderconfiguration/pixelsperinch.md)