Watermark PDF

Add text watermarks to your PDF documents. Customize text, opacity, and size.

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About Watermark PDF

Add text watermarks to your PDF documents to protect your content. Customize the watermark text, opacity, and font size. The watermark is applied diagonally across each page at a 45-degree angle.

All processing happens locally in your browser. Your PDFs never leave your device, ensuring complete privacy and security.