Add Watermark to PDF

What is Add Watermark to PDF?

Need to protect your PDF documents? Add custom text watermarks to every page of your PDF. Control the font, size, color, opacity, and rotation angle. Add "Draft", "Confidential", "Copyright" or any custom text. Everything runs in your browser — your documents never leave your device.

Use Cases

  • Document copyright protection
  • Draft labeling
  • Confidential document marking
  • Brand watermarking
  • Internal document identification

How to Use

  1. 1Upload your PDF
  2. 2Enter watermark text and adjust styling
  3. 3Preview the watermark effect
  4. 4Download the watermarked PDF

Features

  • Custom watermark text
  • Adjustable font size
  • Opacity control
  • Rotation angle setting
  • Color customization
  • Browser-local processing
  • Free to use
  • Data secure

FAQ

Will the watermark appear on every page?

Yes. The watermark is applied to every page of the PDF.

Can I add an image watermark?

Currently only text watermarks are supported. Image watermark support is coming soon.

Are my documents uploaded?

No. All processing happens in your browser. Your documents never leave your device.

What PDF operations does this tool support?

This tool supports core PDF operations including merging, splitting, converting, and editing. All processing happens in your browser using pdf-lib and PDF.js.

What is the maximum file size?

Most operations support files up to 100MB. For larger files, consider splitting them first using the PDF Splitter tool.

Are my PDF files uploaded to a server?

No. All PDF processing happens locally in your browser. Your files never leave your device, ensuring complete privacy.