PdfOptimizationOptionsImageQuality Property
Value in percent where 100% is unchanged quality and image size. To decrease the image size set this property to less than 100

Namespace: GroupDocs.Conversion.Options.Convert
Assembly: GroupDocs.Conversion (in GroupDocs.Conversion.dll) Version: 20.3.0.0 (20.3)
Syntax
public int ImageQuality { get; set; }

Property Value

Type: Int32
See Also