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Add Watermark to PDF

Stamp a text watermark across every page of a PDF with custom style.

100% Free
All tools are free to use
Instant Process
Get results in seconds
Browser-Based
Files never leave your device
Privacy First
No uploads, 100% safe

About Add Watermark to PDF

Add a text watermark such as CONFIDENTIAL or DRAFT to every page of a PDF. Control the text, opacity, font size, color and whether it runs diagonally across the page. The watermark is embedded into the document and everything is processed locally in your browser.

How to use

  1. 1

    Upload a PDF.

  2. 2

    Type your watermark text and pick a color.

  3. 3

    Adjust opacity, size and the diagonal toggle.

  4. 4

    Click 'Add Watermark & Download'.

Tip: All processing is performed locally in your browser with zero loss in quality and no upload limits.

Frequently Asked Questions

Yes. The watermark is drawn on all pages of the document.

All processing happens locally in your browser. Your files are never uploaded anywhere.