Add Watermark to PDF

Stamp text watermarks on your PDF documents. Customize appearance and protect your files.

Drag and drop your PDF here, or

Features

  • Custom watermark text
  • Adjustable font size
  • Control opacity level
  • Multiple position options
  • Apply to all pages
  • No registration needed

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Frequently Asked Questions

How do I add a watermark to my PDF?

Upload your PDF, enter your watermark text, customize the appearance (size, opacity, position), and click Add Watermark. Your watermarked PDF will download instantly.

Can I customize the watermark appearance?

Yes! You can adjust font size (20-100px), opacity (10-100%), and position (center, diagonal, top, or bottom).

Will the watermark appear on all pages?

Yes, the watermark is automatically applied to every page in your PDF.

Is my PDF secure?

Absolutely! All processing happens in your browser. Your files never leave your device.