**Inheritance:**
java.lang.Object, com.aspose.ms.System.ValueType, com.aspose.ms.System.Enum
```
public final class PdfImageCompression extends System.Enum
```

Specifies the type of compression applied to images in the PDF file.
## Fields

| Field | Description |
| --- | --- |
| [Auto](#Auto) | Automatically selects the most appropriate compression for each image. |
| [Flate](#Flate) | Flate compression(lossless). |
| [Jpeg](#Jpeg) | Jpeg compression. |
| [None](#None) | No compression is used when saving images. |
### Auto {#Auto}
```
public static final int Auto
```


Automatically selects the most appropriate compression for each image.

### Flate {#Flate}
```
public static final int Flate
```


Flate compression(lossless).

### Jpeg {#Jpeg}
```
public static final int Jpeg
```


Jpeg compression. Does not support transparency.

### None {#None}
```
public static final int None
```


No compression is used when saving images.