Add Watermark to PDF

Add custom text watermarks to your PDF documents. Perfect for marking documents as confidential, draft, or adding copyright notices. All processing happens in your browser - your files never leave your device.

#FF0000

How to Add Watermarks to PDF

  1. Select your PDF file using the file picker above
  2. Enter your watermark text (e.g., "CONFIDENTIAL", "DRAFT", "Copyright © 2024")
  3. Adjust opacity to make the watermark more or less visible
  4. Set font size to control watermark prominence
  5. Adjust rotation angle (diagonal watermarks are common)
  6. Choose your preferred text color
  7. Click "Add Watermark" to process the PDF
  8. Download the watermarked PDF file

Common Watermark Use Cases

  • Confidential Documents: Mark sensitive files with "CONFIDENTIAL" or "INTERNAL USE ONLY"
  • Draft Documents: Indicate work-in-progress with "DRAFT" or "PRELIMINARY"
  • Copyright Protection: Add copyright notices like "© 2024 Your Company"
  • Status Indicators: Label documents with "APPROVED", "PENDING", or "VOID"
  • Branding: Add company name or logo text to documents

Watermark Tips

  • Opacity: Use 0.2-0.4 for subtle watermarks that don't obscure text
  • Rotation: 45° diagonal angle is most common and effective
  • Color: Red (#FF0000) for warnings, Gray for subtle marks
  • Font Size: 48-72 for standard documents, larger for posters