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Add Watermark to PDF File in Java & J2SE

Java programmers can now add watermarks to PNG files using popular watermark types such as text, image, XObject, artifact, annotation, and shape watermarks. This can be done without the need for any external software or watermark tool. The advanced watermark management features allow Java developers to easily add watermarks to attached images, documents, email attachments, Word processing documents, Excel spreadsheets, PowerPoint presentations, and Visio diagrams.

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Add Image Watermark to PDF in Java

Java watermark library makes it easier for programmers to add BMP, PNG, GIF or JEPG as image watermark to PDF file by adding a few easy steps.

  • Instantiate FileInputStream Object with input PDF document
  • Instantiate Watermarker object using the stream object created above
  • Use watermark image path as constructor parameter of ImageWatermark class
  • Set the watermark size and alignment
  • Add watermark to the watermarker and create output file

Download Java Watermark API

The below Java code example requires GroupDocs.Watermark namespaces to insert image watermarks to a wide range of supported file formats. Add & view the watermarked document on different operating systems such as Windows, Azure, Linux (Ubuntu, OpenSUSE, CentOS and others) or macOS while working on Java J2SE development platform.

Get the respective files from downloads or fetch the whole package from Maven to add Conholdate.Total directly in your workspace.


Add Text Watermark to PDF in Java

This Java code snippet demonstrates how to add text watermark to a PDF document using a few simple lines of Java code. The watermark will be added to all the pages of the source PDF document.

  • Instantiate Watermarker with input PDF document
  • Initialize TextWatermarker with watermark text, font size and style
  • Set watermark properties (alignment, color etc)
  • Add watermark to the watermarker and generate output document

Preview PDF Document as Image

Programmatically generate image representation of PDF document pages using the document preview feature to set watermark position and styling within the document. This feature is useful to better visualize the document structure and content positioning after the watermark is added to PDF document.

Generate the document preview in JPG, PNG or BMP image formats for the whole document or choose specific pages as your require.


What is PDF file format?

PDF (Portable Document Format) is a widely used document file format developed by Adobe Systems in 1993. It was specifically designed to provide a platform-independent solution for storing and sharing documents across various operating systems and over the Internet. PDFs utilize a vector-based drawing model, storing graphical elements such as lines, shapes, and images as mathematical equations. This unique approach ensures that PDFs are resolution independent, guaranteeing consistent document quality regardless of the viewing device or program.

One of the key advantages of PDFs is their support for a range of security features. Encryption, password protection, digital signatures, and document watermarking are among the security measures available. These features make PDFs highly secure and suitable for sensitive documents, such as medical records, legal documents, government forms, and invoices. The printing industry also heavily relies on PDFs to facilitate electronic communication with customers.

Creating PDFs is a straightforward process, as they can be generated from various electronic document formats, including Word documents, PowerPoint presentations, and webpages. It’s important to note that PDFs are typically not editable directly. To modify the content of a PDF, it must first be converted to a different file format that supports editing. Numerous software programs, many of which are freely available for download, offer the functionality to convert PDFs to editable formats.

PDFs have gained immense popularity and have become a standard method for document sharing due to their versatility, security features, and consistent formatting. Their compatibility across different devices and operating systems ensures seamless document access for users. Additionally, PDFs preserve the layout, fonts, and images of the original document, making them an ideal choice for sharing visually rich content.

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Popular Document Watermark Options with Java

Add Watermark to PDF Files

(Portable Document Format)

Add Watermark to WORD Files

(Word Processing Files)

Add Watermark to EXCEL Files

(Spreadsheet Files)

Add Watermark to IMAGE Files

(Digital Image Files)

Add Watermark to VISIO Files

(Visio Diagram Files)

Add Watermark to DOC Files

(Microsoft Word Binary Format)

Add Watermark to DOCX Files

(Office 2007+ Word Document)

Add Watermark to DOCM Files

(Microsoft Word 2007 Marco File)

Add Watermark to DOT Files

(Microsoft Word Template Files)

Add Watermark to DOTM Files

(Microsoft Word 2007+ Template File)

Add Watermark to DOTX Files

(Microsoft Word Template File )

Add Watermark to RTF Files

(Rich Text Format)

Add Watermark to XLS Files

(Microsoft Excel Spreadsheet (Legacy))

Add Watermark to XLSM Files

(Macro-enabled Spreadsheet)

Add Watermark to XLSX Files

(Open XML Workbook)

Add Watermark to XLT Files

(Excel 97 - 2003 Template)

Add Watermark to XLTM Files

(Excel Macro-Enabled Template)

Add Watermark to PPT Files

(Microsoft PowerPoint 97-2003)

Add Watermark to PPTX Files

(Open XML presentation Format)

Add Watermark to PPTM Files

(Macro-enabled Presentation File)

Add Watermark to PPS Files

(PowerPoint Slide Show)

Add Watermark to PPSX Files

(PowerPoint Slide Show)

Add Watermark to PPSM Files

(Macro-enabled Slide Show)

Add Watermark to POT Files

(Microsoft PowerPoint Template Files)

Add Watermark to POTX Files

(Microsoft PowerPoint Template Presentation)

Add Watermark to POTM Files

(Microsoft PowerPoint Template File)

Add Watermark to EMLX Files

(Apple Mail Message)

Add Watermark to OFT Files

(Outlook File Template)

Add Watermark to MSG Files

(Outlook Message Item File)

Add Watermark to ODT Files

(OpenDocument Text File Format)

Add Watermark to BMP Files

(Bitmap Image File)

Add Watermark to GIF Files

(Graphical Interchange Format)

Add Watermark to JPG Files

(Joint Photographic Expert Group Image)

Add Watermark to JPEG Files

(Joint Photographic Expert Group Image)

Add Watermark to JP2 Files

(JPEG 2000 Core Image)

Add Watermark to PNG Files

(Portable Network Graphic)

Add Watermark to TIFF Files

(Tagged Image File Format)

Add Watermark to WEBP Files

(Raster Web Image Format)

Add Watermark to VSD Files

(Visio Drawing File)

Add Watermark to VDX Files

(Vector Design eXchange)

Add Watermark to VSDM Files

(Visio Macro-Enabled Drawing)

Add Watermark to VSS Files

(Visio Stencil File)

Add Watermark to VSSM Files

(Visio SmartShape Master)

Add Watermark to VSSX Files

(Visio Stencil File)

Add Watermark to VST Files

(VST Audio Plugin)

Add Watermark to VSTM Files

(Visio Macro-Enabled Drawing Template)

Add Watermark to VSTX Files

(Visio Drawing Template)

Add Watermark to VSX Files

(Visio Stencil XML File)

Add Watermark to VTX Files

(Anim8or 3D Model)

Add Watermark to OST Files

(Outlook Offline Data File)

Add Watermark to SVG Files

(Scalar Vector Graphics)

Add Watermark to SVGZ Files

(Compressed Scalable Vector Graphics)

Add Watermark to PSB Files

(Photoshop Large Document Format)

Add Watermark to TEX Files

(LaTeX Source Document)

Add Watermark to TGA Files

(Truevision Graphics Adapter)

Add Watermark to XPS Files

(XML Paper Specifications)

Add Watermark to OTT Files

(OpenDocument Standard Format)

Add Watermark to OTP Files

(OpenDocument Standard Format)

Add Watermark to ODP Files

(OpenDocument Presentation Format)

Add Watermark to MD Files

(Markdown Language)

Add Watermark to PSD Files

(Photoshop Document)

Add Watermark to CSV Files

(Comma Seperated Values)

Add Watermark to DIF Files

(Data Interchange Format)

Add Watermark to DIB Files

(Device Independent Bitmap)

Add Watermark to HTM Files

(Hypertext Markup Language File)

Add Watermark to MHT Files

(MHTML Web Archive)

Add Watermark to EMZ Files

(Windows Compressed Enhanced Metafile)

Add Watermark to PCL Files

(Printer Command Language Document)

Add Watermark to WMF Files

(Windows Metafile)

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