PDF Watermark
Add a text watermark to your PDF pages.
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● Your PDF is processed locally in your browser and is never uploaded to our servers.
How it works
The watermark is drawn on top of each page as real PDF text with transparency, so the page content stays readable underneath. Diagonal watermarks are rotated to follow the page's diagonal, whatever its size or orientation. A watermark discourages copying but can be removed by someone with a PDF editor — for real protection, also restrict editing with the PDF Password Protector.