Apr 10, 2015 · It adds transparent text on each odd page and a transparent image on each even page of an existing PDF document. This is how it's done: PdfReader reader = new PdfReader(src); int n = reader.getNumberOfPages(); PdfStamper stamper = new PdfStamper(reader, new FileOutputStream(dest)); // text watermark. Font f = new Font(FontFamily.HELVETICA, 30);

Jan 8, 2024 · In this tutorial, we explored the iText PDF library by generating a new PDF. We added watermarks to our generated PDF and later add watermarks to an existing PDF. iText library looks powerful in manipulating PDFs.

Check out this Java library I wrote called WaterMarkIt for adding customizable watermarks. The library uses PDFBox. WatermarkService.create() .watermarkPDF(new File("path/to/file.pdf")) .withImage(new File("path/to/watermark.png")) .position(WatermarkPosition.TOP_LEFT) .apply();

Jun 17, 2021 · In this article, we will learn how to add watermarks to the images in a PDF document using Java. Adding watermarks to the images in a PDF, we will use the iText library. These are the steps that should be followed to add watermarks to the images in a PDF using java. 1. Creating a PdfWriter object.

Jan 6, 2015 · Watermarking to PDF can be added using the Java Library iText. Here's an example of how to use it: new FileOutputStream("NewHelloWorld.pdf")); PdfContentByte content = pdfStamper.getUnderContent(i); image.setAbsolutePosition(150f, 750f); content.addImage(image);

This tutorial will guide you through the process of creating watermarks for PDF documents using the iText library in Java. Watermarks are often used for branding and security, and they can be applied to existing PDF files or during the creation of new PDFs.

Feb 18, 2020 · This article will show you how to add text watermark and image watermark to an existing PDF file in Java using Free Spire.PDF for Java library. Before coding, please download Free Spire.PDF for Java package through this link, unzip the package and then add Spire.Pdf.jar in lib folder into your application as dependency. Add Text Watermark.

GroupDocs.Watermark is a Java library to add text or image watermarks to Office, OpenOffice, PDF & Visio documents as well as all popular image formats. It also allows the developers to search and remove previously added watermarks (including watermarks added by …

Jun 22, 2021 · This article will demonstrate how to add text and image watermarks to PDF document using a free library (Free Spire.PDF for Java).

Jun 30, 2021 · Use Java PDF API to add watermark to the PDF documents in Java. Insert text or image watermark and set its position, font size, color, opacity, etc.