Add Watermark to PDF

Protect or brand your documents by adding a custom watermark to every page of your PDF — secure, free, and easy to use.

Add Text Watermark to PDF Online — Free & Secure

Use ModifyPDF to apply watermark text to all pages of a PDF file. Whether you're sharing drafts, confidential files, or official documents — branding is made easy.

Why Add a Watermark to a PDF?

Prevent misuse of sensitive or draft documents
Brand documents with company names or project codes
Make internal sharing clear with visibility marks

How to Use the Watermark Tool

Upload your PDF file
Type your custom watermark (e.g., "Confidential")
Click Add Watermark
Download your modified PDF

Security & File Handling

Your files and watermarks are not stored. They are deleted shortly after download. The watermark text is never logged or reused.

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FAQs

Will the watermark appear on every page?

Yes, the text watermark is applied to all pages of the uploaded PDF.

Can I control the watermark position or opacity?

This tool currently places the watermark diagonally at a fixed opacity. Advanced options coming soon!

Is it really free?

Yes! ModifyPDF watermarking tool is completely free with no registration required.