QuickToolBox.io

Add Watermark

Add a custom text watermark to every page of your PDF. Control text, opacity, and position.

How to use Add Watermark

  1. Upload your PDF file
  2. Enter watermark text
  3. Adjust opacity and position
  4. Download watermarked PDF

Key features

  • Custom watermark text
  • Adjustable opacity (10%–100%)
  • Center or diagonal placement
  • Applied to all pages

Frequently asked questions

Can I remove the watermark later?

Watermarks added this way are baked into the PDF. Keep the original file if you may need to remove it.

What fonts are used?

Arial is used by default for clear readability on all PDF readers.

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