PDFBook Watermark PDF adds a customizable text watermark to every page of your PDF, directly in your browser. You can control the text, font size, color, opacity, and rotation angle, all without uploading your file to any server.

Watermarking is done entirely in your browser. Your document and its content are never sent to any external server.

Key Facts

  • Customizable text, font size, opacity, and rotation angle
  • Applies the watermark to every page in a single operation
  • Runs entirely in the browser, with no upload

Frequently Asked Questions

How to add a watermark to a PDF?

PDFBook's Watermark PDF tool lets you type your watermark text, adjust size, opacity, and angle, then apply it to every page of your PDF. Drop your file in, customize the settings, and click Process. The watermarked PDF downloads right away, with no account or software to install.

Is watermarking a PDF free?

Yes. PDFBook provides free, unlimited PDF watermarking with no account required. Unlike many online tools that limit free usage or add their own branding, PDFBook applies only the watermark text you specify. All processing happens in your browser with no hidden costs.

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