Watermark PDF - Permanent Branding & Stamps
Protect your documents with custom watermarks. Add text watermarks with full control over appearance.
Drop your PDF here or click to browse
Supports PDF files
About PDF Watermarks
- •Add custom text watermarks to protect your documents
- •Customize text, color, size, and opacity
- •Watermark is applied to all pages automatically
- •100% free - no watermarks on your watermarks!
About PDF Watermark Tool
Add professional, unremovable watermarks to your PDF files with Convertify. Whether you need an opaque 'CONFIDENTIAL' stamp or a subtle 'Soft Brand' logo, our tool allows you to control opacity and position with precision. Use our 'Injection' technology to flatten watermarks into the document layer, making them significantly harder to remove than standard overlays.
Why Use Convertify's PDF Watermark Tool?
Lightning Fast
Process files instantly in your browser
100% Secure
Files never leave your device
Works Everywhere
Desktop, tablet, and mobile compatible
No Watermarks
Clean, professional output every time
Common Use Cases
- 1Adding 'CONFIDENTIAL' stamps to sensitive reports
- 2Branding architectural drawings with company logos
- 3Marking draft versions of manuscripts for review
- 4Adding copyright notices to creative portfolios
- 5Stamping archive documents with Bates numbering or dates
Looking for a free pdf watermark tool tool? Convertify offers the best online solution for add watermark to pdf, unremovable pdf watermark, branding pdf online. Our tool is completely free with no registration required, no watermarks, and no daily limits. Unlike paid alternatives, you can add watermark to pdf without creating an account.
How to Add Watermark to PDF - Step by Step Guide
Upload
Select the PDF file(s) you want to brand.
Design
Add text or logo, adjust opacity and rotation.
Inject
Apply the watermark permanently and download your file.