Add Watermark to PDF Online

Protect your PDF files with text watermark — fast, free, and secure browser tool.

What is a PDF Watermark?

A PDF watermark is a text or image placed over a document to indicate ownership, confidentiality, or branding. It is widely used in business, education, and legal industries to protect digital content from unauthorized use.

Why Add Watermark to PDF?

  • Protect your documents from copying
  • Mark files as confidential or draft
  • Brand your business documents
  • Increase document security

How This Tool Works

  1. Upload your PDF file
  2. Enter watermark text
  3. Click Apply Watermark
  4. Download protected PDF instantly

Benefits of Online Watermark Tool

This tool works directly in your browser, meaning your files are never uploaded to any server. It ensures full privacy, speed, and convenience without installing software.

Best Use Cases

  • Business reports
  • Academic documents
  • Confidential files
  • Digital publishing

Conclusion

Adding watermark to PDF files is one of the best ways to protect digital documents. This free online tool provides a simple and powerful solution for everyone.