Add Watermark

Add text watermarks to your PDF documents. Customize the text, font size, color, opacity, and rotation angle.

Features

Custom Text

Add any text as watermark

Full Customization

Adjust size, color, opacity, and rotation

Diagonal Placement

Watermark spans across the page

About Add Watermark

PDFNinja's Add Watermark tool allows you to add professional text or image watermarks to your PDF documents. Whether you need to add confidential stamps, draft markers, company logos, or copyright notices, our free online tool provides comprehensive watermark options. Customize font size, color, opacity, rotation, and position to achieve the perfect watermark for your needs. Add watermarks to all pages or select specific pages. All processing happens locally in your browser, ensuring your documents remain private and secure.

Key Benefits

  • Free and easy to use
  • No registration required
  • Secure local processing
  • Customizable appearance
  • Batch watermark application
  • Professional results

Features

  • Text and image watermarks
  • Customizable opacity
  • Adjustable position and rotation
  • Multiple font options
  • Apply to all or selected pages
  • Diagonal placement option

Common Use Cases

  • Add confidential stamp to documents
  • Mark documents as draft
  • Add company logo watermark
  • Copyright protection
  • Add stamp for review

Privacy Guaranteed

All processing happens locally in your browser. Your files are never uploaded to any server, ensuring complete privacy and security.