Add Watermark
Add image or text watermark over PDF with custom transparency.
About Add Watermark
Simple on the surface and careful underneath, the Add Watermark was made for agencies, businesses and document owners who just want the number. Files are processed by your own browser, so confidential documents - payslips, agreements, mark sheets, contracts - never touch a server. Stamp a text or image watermark across a PDF, with control over position, rotation, opacity, size and the pages covered, so a draft or a confidential file is clearly marked. Agencies watermark proofs before client review, businesses mark contracts as copy or draft, and freelancers protect quotes. The tool handles both text watermarks like CONFIDENTIAL and image watermarks like a logo, and the opacity setting keeps the underlying text readable. Because the file is processed in the browser, sensitive documents never leave the device. It is the watermark tool that sending an unprotected draft always regrets. It earns its keep when marking a contract draft as confidential, when watermarking a proof with a logo, and whenever protecting a quote before sending. It works just as well on a budget Android phone as on an office desktop, over any connection.
How to Use the Add Watermark
- Open the Add Watermark tool above — it loads instantly in your browser.
- Enter your values in the input fields provided.
- The result updates immediately — no calculate button needed (or click Calculate where shown).
- Copy or use your result directly. Nothing is stored or sent to any server.
Key Features of Add Watermark
- Text/image
- Transparency
- Position
- Text and image watermarks
- Position, rotation and opacity
- All or selected pages
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Frequently Asked Questions
What is a PDF watermark?
A watermark is a semi-transparent text or image overlay on PDF pages, commonly used for branding, confidentiality markings (CONFIDENTIAL), or draft status.
Can I customize watermark appearance?
Yes, customize text content, font, size, color, opacity, rotation, and position. For image watermarks, adjust opacity and scale to match your branding.
How to remove watermark from PDF?
Watermarks applied as background images can sometimes be removed. Permanent watermarks require professional PDF editing software. Our tool applies watermarks for new documents.
Can the watermark be an image?
Yes, upload a logo or seal as an image watermark, with position, size and opacity fully controlled.
Will the watermark block the text?
No, the opacity is adjustable, so the watermark sits visibly but lightly over the content without hiding it.