Java tutorial
import java.io.FileOutputStream; import com.lowagie.text.Element; import com.lowagie.text.PageSize; import com.lowagie.text.pdf.BaseFont; import com.lowagie.text.pdf.PdfContentByte; import com.lowagie.text.pdf.PdfReader; import com.lowagie.text.pdf.PdfStamper; public class MergingTwoPDFToOne { public static void main(String[] args) { try { PdfReader reader = new PdfReader("YourOwnPDF.pdf"); PdfStamper stamp = new PdfStamper(reader, new FileOutputStream("TwoPDF.pdf")); PdfContentByte under; PdfReader reader2 = new PdfReader("AnotherPDF.pdf"); under = stamp.getUnderContent(1); under.addTemplate(stamp.getImportedPage(reader2, 1), 1, 0, 0, 1, 0, 0); stamp.close(); } catch (Exception de) { de.printStackTrace(); } } }