C# and Java Code to Extract Images Embedded in a PDF
By Apryse | 2025 Apr 18
6 min
Tags
C#
java
image
PDF files are ubiquitous in the world of business. They are used to store documents, images, and other data. In the past, people have asked if there is an easy way to extract graphics such as a chart or photo from a PDF file. If you're looking to get all of the images from a PDF file or have hundreds or more PDF files to process, then the answer is to use Apryse.
Extracting images that are embedded in a PDF file is easy with Apryse. Below are C# and Java code samples that use Apryse to extract images from a PDF file.
C# code to extract images embedded in a PDF
using pdftron;
using pdftron.PDF;
namespace ConsoleApp1
{
internal class Program
{
static void Main(string[] args)
{
PDFNet.Initialize(PDFTronLicense.License);
using (PDFDoc doc = new PDFDoc("samples\\Leadtools.pdf"))
{
doc.InitSecurityHandler();
int imageCounter = 1;
for (PageIterator itr = doc.GetPageIterator(); itr.HasNext(); itr.Next())
{
pdftron.PDF.Page page = itr.Current();
ElementReader reader = new ElementReader();
reader.Begin(page);
Element element;
while ((element = reader.Next()) != null)
{
if (element.GetType() == Element.Type.e_image)
{
Image image = new Image(element.GetXObject());
string outputPath = $"image_{imageCounter}";
image.Export(outputPath);
imageCounter++;
}
}
reader.End();
}
}
PDFNet.Terminate();
}
}
} Java code to extract images embedded in a PDF
import com.pdftron.common.PDFNetException;
import com.pdftron.pdf.*;
public class App {
public static void main(String[] args) {
try{
PDFNet.initialize(PDFTronLicense.LICENSE);
PDFDoc doc = new PDFDoc("src\\samples\\Leadtools.pdf");
doc.initSecurityHandler();
int imageCounter = 1;
for (PageIterator itr = doc.getPageIterator(); itr.hasNext(); ) {
com.pdftron.pdf.Page page = itr.next();
ElementReader reader = new ElementReader();
reader.begin(page);
Element element;
while ((element = reader.next()) != null) {
if (element.getType() == Element.e_image) {
Image image = new Image(element.getXObject());
String outputPath = "image_" + imageCounter;
image.export(outputPath);
imageCounter++;
}
}
reader.end();
reader.close();
}
doc.close();
PDFNet.terminate();
} catch (PDFNetException e) {
System.out.println(e.getMessage());
}
}
} With Apryse in your collection of toolkits, there is nothing you cannot do with PDF files.
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Tags
C#
java
image
Apryse
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