Add Watermark to PDF Online (Text & Logo)

Stamp text or images over your PDF pages. Customize opacity, position, and font for professional watermarking.

About This Tool

Protect your confidential documents, legal paperwork, and certificates by stamping custom text watermarks ('CONFIDENTIAL', 'SAMPLE', 'OFFICIAL') or company logos.

Key Features & Benefits

  • Custom text watermarks with opacity, rotation, and font controls.
  • Logo image watermarking with transparency support.
  • Position presets (Center, Diagonal, Header, Footer).

How to Use

  1. Upload your PDF file.
  2. Enter watermark text or upload an image logo.
  3. Adjust opacity and position, then download your watermarked PDF.

Frequently Asked Questions (FAQs)

Can I adjust watermark transparency?

Yes, you can freely adjust the opacity slider so underlying text remains readable.