Watermark PDF Online: Add Watermark to PDF Free

Brand your documents and protect your intellectual property with our **Watermark PDF Online** utility. **Add Watermark to PDF Free** with custom text and transparency controls.

Select PDF file

or drag and drop PDF here

How to add watermark to PDF?

  1. Upload your PDF file.
  2. Enter the watermark text (e.g., 'CONFIDENTIAL', 'COPY', or your name).
  3. Click Add Watermark Now.
  4. The text will be added diagonally across every page with transparency.

Professional Watermark PDF Online Tool

Protecting your work from unauthorized copying or redistribution is essential for businesses and creators. Our **Watermark PDF Online** tool provides a seamless way to **Add Watermark to PDF Free**. Whether you need to mark a document as 'Draft', 'Confidential', or add your company name as a property stamp, our processor ensures your watermarks are perfectly rendered on every single page.

Why use our PDF Stamper?

  • Batch Stamping: Apply your watermark across all pages of the document automatically in one go.
  • Professional Transparency: Our watermarks are semi-transparent, ensuring they don't block the original text.
  • 100% Secure: Your proprietary documents never leave your browser. We respect your privacy.
  • High Res Output: We maintain the original quality of your PDF while layering the watermark on top.

How to Add Watermark to PDF Online

1

Upload Your PDF

Click the upload box or drag your document into the blue workspace.

2

Configure Watermark Text

Type your desired stamp (e.g., 'Internal Use Only'). Our tool handles formatting automatically.

3

Save Branded PDF

Click 'Add Watermark Now' and download your secured file in seconds.

Frequently Asked Questions

Can I remove the watermark later?

Once added and saved, a watermark becomes part of the document layer. It's recommended to keep your original file as a backup before stamping.

Is my document privacy maintained?

Absolutely. Our **Watermark PDF** tool runs 100% client-side. Your files are never uploaded to any server, ensuring complete confidentiality.

Does it work with large PDFs?

Yes, you can watermark large documents with many pages. The processing speed will depend on your local system's performance.