PDF Watermark Tool
Add Text & Image Watermarks to PDF
Protect your PDF documents with customizable text or image watermarks. All processing happens locally in your browser - your files never leave your device.
Upload PDF File
Drag and drop your PDF here, or click to select a file.
How to Add Watermark to PDF
Simple 4-step process
Upload PDF
Select the PDF file you want to watermark.
Configure Watermark
Choose text or image watermark and customize settings.
Apply Watermark
Click the button to add watermark to your PDF.
Download File
Download your watermarked PDF file instantly.
Why Choose Our PDF Watermark Tool?
Professional PDF watermarking with privacy and quality
100% Privacy Safe
All processing happens in your browser. Your PDF files are never uploaded to any server.
Text & Image Support
Add custom text or upload your own image as a watermark.
Full Customization
Control opacity, size, rotation, and position of your watermark.
Selective Application
Apply watermark to all pages or select specific pages.
High-Quality Output
Watermarked PDFs maintain the same quality as the original.
Completely Free
No limits, no watermarks on our watermarks, no hidden fees.
Supported Formats
Watermark PDF documents
Input Format
Upload a PDF document (max 100MB).
Output Format
Download a watermarked PDF document.
Frequently Asked Questions
Are my PDF files safe?
Absolutely! All processing happens in your browser using JavaScript. Your PDF files are never uploaded to any server.
What types of watermarks can I add?
You can add text watermarks with custom font, color, opacity, and rotation, or image watermarks in PNG, JPG, or JPEG format.
Can I apply watermark to specific pages only?
Yes! You can choose to apply the watermark to all pages or select specific pages.
What image formats are supported for watermarks?
PNG, JPG, and JPEG images are supported. PNG with transparency works best.
Can I adjust the watermark position?
Yes! You can adjust the horizontal and vertical position of the watermark using percentage-based controls.
Will the watermark be permanent?
Yes, the watermark becomes part of the PDF content. It cannot be easily removed without leaving traces.
Is this tool really free?
Yes, completely free with no hidden fees, registration, or limits.
Which browsers are supported?
All modern browsers: Chrome, Firefox, Safari, and Edge.