PDF files are not directly supported by Java, you will need external Java PDF libraries. This tutorial shows you how to extract images from a PDF file in 5 simple steps using the JPedal Java PDF library. JPedal is the best Java PDF library for developers.
Extracting Image from PDF using Java
- Add JPedal to your class or module path (download the trial jar).
- Create a File handle, InputStream or URL pointing to the PDF file
- Include a password if file password protected
- Open the PDF file
- Iterate over the images on each page
- Close the PDF file
and the Java code to extract images from a PDF Document…
File file = new File("/path/to/document.pdf"));
ExtractImages extract = new ExtractImages(file);
//extract.setPassword("password");
if (extract.openPDFFile()) {
int pageCount = extract.getPageCount();
for (int page = 1; page <= pageCount; page++) {
int imagesOnPageCount = extract.getImageCount(page);
for (int image = 0; image < imagesOnPageCount; image++) {
BufferedImage img = extract.getImage(page, image, true);
}
}
}
extract.closePDFfile();
Related tutorials
If you are looking to use JPedal to extract images from PDF files, we recommend you start with these tutorials:-
- How to extract images programmatically in Java
- How to extract clipped images programmatically in Java