Free PDF Watermark

Add a real text watermark to every page of your PDF. Customize text, size, opacity, color, and rotation. 100% browser-based via pdf-lib.

💧 PDF Watermark

✓ Real watermark via pdf-lib

Upload PDF

Frequently Asked Questions

Yes — the text is drawn into the content stream of each page using pdf-lib. It cannot be easily removed by simply opening the PDF. Advanced users with PDF editors might still remove it, but it's not a simple click.

This tool handles text watermarks only. For image watermarks, you'd need to embed the image as a PDF resource — a feature planned for a future update.

Related Tools

🔒

PDF Protect

Password protect PDF

🏷️

PDF Metadata

Edit PDF metadata

🔗

PDF Merger

Combine PDFs