Add Watermark PDF Online
Overlay a custom text watermark on every page of a PDF with control over size, color, and opacity.
Your files are processed locally in your browser. Nothing is uploaded or stored.
Features
Key features of Add Watermark PDF
Add a custom text watermark to every page of a PDF.
Control watermark font size, color, and opacity.
Position the watermark in the center of each page.
Apply watermarks locally without uploading the document.
Download the watermarked PDF immediately.
Benefits
Why use this tool
Protect draft documents with a visible text overlay.
Mark PDFs as confidential, draft, or sample before sharing.
Avoid paid watermarking services for simple text overlays.
Use cases
Common ways to use Add Watermark PDF
Stamp DRAFT on internal review documents.
Add CONFIDENTIAL to sensitive contracts before distribution.
Watermark sample PDFs shared with prospective clients.
Process
How to use Add Watermark PDF
Choose a PDF file.
Enter watermark text and adjust style settings.
Download the watermarked PDF.
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Related guides
Guides for this tool
How to Add Watermark to PDF Online
Learn how to add a text watermark to every page of a PDF using a free browser-based tool. Customize font, color, and opacity privately.
FAQ
Frequently Asked Questions
Are my files uploaded to MultiTool Panda?
No. File tools process your files locally in your browser and do not upload, store, log, or inspect them on a server.
Can I use this tool on mobile?
Yes. The interface is responsive and works in modern mobile browsers, although very large files may be easier on a desktop device.
Can I customize the watermark appearance?
Yes. You can adjust the text, font size, color, and opacity of the watermark.
Is the watermark added to every page?
Yes. The watermark is applied to all pages in the PDF.
Is this tool free to use?
Yes. MultiTool Panda tools are free and do not require sign-up.
Does this tool work on mobile?
Yes. The interface is responsive and works in modern mobile browsers.