How to convert a PDF file to Image in Java

Do you need to convert PDF files to images in Java? PDF files are not directly supported by Java but you can solve this problem very easily with a third-party library. This tutorial shows in simple steps Java PDF to Image conversion using JPedal PDF library.

How to convert PDF to image in Java

Step 1 Download JPedal trial jar.
Step 2 Create a File handle, InputStream or URL pointing to the PDF file

ConvertPagesToImages extract=new ConvertPagesToImages(path);

Step 3 Include a password if file password protected

extract.setPassword("password");

Step 4 Open the PDF file

if (extract.openPDFFile()) {

Step 5 Iterate over the pages

int pageCount = extract.getPageCount();
  for (int page = 1; page <= pageCount; page++) {
      BufferedImage img = extract.getPageAsImage(page, hasAlpha);
  }
}

Step 6 Close the PDF file

 extract.closePDFfile();

How to convert PDF to image in Java – with more control over image size

Step 1 Download JPedal trial jar.
Step 2 Create a File handle, InputStream or URL pointing to the PDF file

ConvertPagesToHiResImages extract=
new ConvertPagesToHiResImages(path);

Step 3 Include a password if file password protected

extract.setPassword("password");

Step 4 Set conversion options for output defined in JPedalSettings

HashMap options=new HashMap();

Step 5 Open the PDF file

if (extract.openPDFFile()) {

Step 6 Iterate over the pages

int pageCount = extract.getPageCount();
  for (int page = 1; page <= pageCount; page++) {
    BufferedImage img = extract.getPageAsHiResImage(page, 
    hasAlpha, options);
  }
}

Step 7 Close the PDF file

 extract.closePDFfile();