How to Watermark a PDF

Protect your documents by stamping custom text watermarks across your PDF pages. Fast, easy, and completely offline.

1Step-by-Step Guide

Select the PDF document you want to protect.

Enter your text (e.g., 'CONFIDENTIAL') and adjust opacity, rotation, and size.

Click process to instantly stamp all pages and download your secure PDF.

Yes. All processing happens locally in your browser. Your PDF is never uploaded to any server.

Yes, you can select any color you like using the color picker tool.

Yes, the watermark is applied consistently to every page in the document.

Experience privacy-first, lightning-fast document tools today. No uploads to server ever.