💧 PDF Watermark
Add a text or image watermark to every page of your PDF document.
Drop your file here
Supports PDF files up to 50MB
Max file size: 50MB
Watermark PDF: Complete Guide & Specifications
Prevent unauthorized distribution and protect proprietary document drafts with custom watermarks. Our PDF Watermarker allows you to stamp bold semi-transparent text (such as "CONFIDENTIAL", "DRAFT", or your company name) across every page of your PDF with customized opacity, rotation, and font sizes.
Why Choose OnlineToolsZone for Watermark PDF?
Stamp custom watermarks onto PDF files online for free.
Common Use Cases:
- Marking sensitive business proposals, pitch decks, and financial statements as "CONFIDENTIAL".
- Stamping legal contract revisions and thesis manuscripts with "DRAFT" or "SAMPLE".
- Adding copyright notices and company URLs to eBooks and downloadable whitepapers.
100% Free Forever
No Account Required
Runs 100% in Browser
How to Use Watermark PDF in 3 Simple Steps
Upload your PDF document
Open the PDF file you wish to protect with a watermark.
Customize watermark text
Type your watermark wording, select the font size, angle of rotation, and transparency opacity.
Apply & download
Click apply to stamp the watermark across all pages and download your secured document immediately.
Frequently Asked Questions
1.Can the watermark be easily erased by recipients?
2.Can I control watermark transparency so text underneath remains readable?
3.Does this tool process files on a server?
4.Can I watermark multi-page documents?
Security & Privacy
Client-Side Processing: Runs 100% in your browser — zero files uploaded.
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