PDF Watermark
PDFProcessed Locally — 100% PrivateAdd text watermark to a PDF.
Drop a PDF file to watermark
Watermark is rendered cleanly client-side
How to Use PDF Watermark Online
Stamp customizable text watermarks across PDF pages. Protect confidential documents, mark drafts, and brand proposals with customizable opacity, angle, and size.
Input & Prepare
Upload your target PDF file.
Configure & Adjust
Enter your watermark text (e.g., 'CONFIDENTIAL', 'DRAFT', 'SAMPLE') and adjust rotation, color, and opacity.
Export or Copy
Click 'Apply Watermark' and download your secured PDF.
Common Use Cases
- Protect confidential business plans and financial projections before sending to investors
- Mark work-in-progress legal agreements as 'DRAFT'
- Add company name or copyright stamps to proprietary technical documentation
Technical Specifications & Limitations
Applies vector text watermarks; for image stamps, use the PDF Editor.
Frequently Asked Questions
Can recipients easily remove this watermark?
The watermark is embedded directly into the content stream of each page.
100% Client-Side Privacy Guarantee
DailyToolbox processes all operations using local WebAssembly and Web APIs inside your browser memory. No data, files, or sensitive inputs are ever uploaded to an external server or saved in tracking cookies.
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