pdf to image

import java.awt.image.BufferedImage;

import java.io.File;

import java.io.IOException;

import java.util.List;

import javax.imageio.ImageIO;

import org.apache.pdfbox.pdmodel.PDDocument;

import org.apache.pdfbox.pdmodel.PDPage;

public class Main {

    public static void saveFirstPageThumbnail() throws IOException {

        PDDocument document = PDDocument.load("./sample.pdf");

        List<PDPage> pages = document.getDocumentCatalog().getAllPages();

        PDPage page = pages.get(0); //first one

        BufferedImage bufferedImage = page.convertToImage();

        File outputFile = new File( "./image.jpg");

        ImageIO.write(bufferedImage, "jpg", outputFile);

    }

}