Add Watermark to PDF
Protect your PDF documents with custom watermarks like "CONFIDENTIAL", "DRAFT", or your company name. Customize font size, rotation angle, and opacity.
Choose PDF to watermark
Stamp custom diagonal watermark text across every page.
Key Features
- Custom watermark text (e.g. CONFIDENTIAL, DRAFT, SAMPLE)
- Adjustable transparency/opacity slider (10% to 80%)
- Diagonal rotation angle (default 45° across page)
- Applied across all pages simultaneously in browser memory
Unlike traditional utility websites that upload your personal documents to cloud servers, Privatify Tools executes entirely inside your browser using WebAssembly and modern browser APIs.
Your files never leave your device, ensuring maximum confidentiality for contracts, financial statements, and personal photos.
Frequently Asked Questions
Can the watermark be easily removed by others? ▼
The watermark is burned directly into the PDF page drawing streams, making it a permanent part of the document graphics.
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