Add Watermark to PDF

Add text watermarks to protect your PDF documents. Customize position, opacity, and rotation.

100% Browser-Based Processing Your files never leave your device. Processing uses your device's RAM and CPU - larger files may require more resources.

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Add watermarks to PDFs for free with PDF Shawon. Upload your document, choose text or image mode, customize the content, position, opacity, and rotation angle. The watermark applies to every page — download your branded or protected document instantly from your browser.

Add Custom Text or Image Watermarks to PDF

Brand and protect your documents with custom text or image watermarks. Add your company logo, "CONFIDENTIAL" stamps, "DRAFT" labels, or any custom text across all pages. Control position, opacity, rotation, and size for professional results.

Text & Image Modes Add custom text or upload PNG, JPG, or SVG images as watermarks
Full Style Control Adjust opacity, rotation angle, position, size, font, and color precisely
Every Page Coverage Watermark applies consistently across all pages in the document
Brand Protection Deter unauthorized use by visibly marking documents with your identity

How to Use PDF Watermark Tool

1
Upload Your PDF

Select the document you want to add a watermark to

2
Design Your Watermark

Enter text or upload an image, then adjust position, opacity, rotation, and size

3
Apply & Download

Click Apply Watermark and save your branded or protected PDF

Why Use PDF Shawon's PDF Watermark Tool?

🔒
100% Private & Secure

Your files never leave your device. All processing happens locally in your browser.

⚡
Lightning Fast

No upload wait times. Process files instantly using your device's power.

💰
Completely Free

No hidden fees, no registration required. Unlimited usage for everyone.

📱
Works Everywhere

Use on desktop, tablet, or mobile. No app download needed.

Frequently Asked Questions

How do I add a watermark to a PDF?

Upload your PDF, choose text or image watermark, customize the text/image, position, opacity, and rotation. Click Apply to watermark all pages and download.

Can I add my company logo as a watermark?

Yes! Upload any PNG, JPG, or SVG image as a watermark. Adjust size, position, and opacity to brand your documents professionally.

Is the PDF watermark tool free?

Yes, completely free. Add watermarks to unlimited PDFs with no registration or payment required.

Can I adjust watermark transparency?

Yes! Use the opacity slider to control transparency from 0% (invisible) to 100% (fully opaque). Most watermarks work best at 20-40% opacity.

Does the watermark appear on all pages?

Yes, the watermark is applied to every page by default. This ensures consistent branding or protection across your entire document.

Is my PDF safe when adding watermarks?

Yes. All processing happens in your browser. Your documents and images never leave your device.

Supported File Formats

This tool supports all major document formats for seamless conversion and processing.

PDF

All file processing happens directly in your browser using JavaScript and WebAssembly. Your files are never uploaded to any server — they remain on your device at all times.

Who Uses This PDF Watermark Tool?

👨‍💻 Photographers watermarking PDF proof sheets before sending to clients for review
📄 Legal teams stamping "CONFIDENTIAL" across sensitive document pages
🏢 Companies adding logos to internal PDF reports and proposals for brand consistency
📚 Architects marking PDF drawings as "DRAFT" or "FOR REVIEW ONLY" during project phases

About PDF Shawon — Free Browser-Based PDF Tools

PDF Shawon provides 27+ professional-grade PDF tools that run 100% in your browser. Merge, split, compress, convert, edit, sign, and protect PDFs — all without uploading files to any server. Your documents stay completely private and secure.

27+
Free PDF Tools
100%
Browser-Based
Zero
Server Uploads
∞
No Usage Limits

Our tools use PDF.js, pdf-lib, and WebAssembly to process PDFs directly on your device. Whether you need to merge multiple PDFs, convert documents to Word or Excel, compress files for email, or digitally sign contracts — PDF Shawon handles it all for free. Compatible with Chrome, Firefox, Safari, Edge, and all modern browsers on desktop and mobile.