PDF Watermark Generator

Add professional text or image watermarks to your PDF documents instantly. Fast, free, and secure - all processing happens in your browser.

  • Text or image watermarks
  • Custom positioning
  • Live preview
  • 100% secure & private

Upload Your PDF

Drag and drop your PDF file here, or click to browse

Maximum file size: 10MB

document.pdf
2.5 MB

Preview

Processing your PDF... 0%

Watermark Applied Successfully!

Your PDF has been watermarked and is ready for download.


How It Works

1

Upload PDF

Select your PDF file by dragging and dropping or browsing your device.

2

Configure Watermark

Choose text or image watermark, customize appearance and position.

3

Download

Preview and download your watermarked PDF instantly.

Why Use Our Watermark Tool?

Text Watermarks

Add custom text with full control over font size, color, opacity, and rotation angle.

Image Watermarks

Upload your own logo or image as a watermark with adjustable size and opacity.

Flexible Positioning

Place watermarks anywhere on the page or tile them across the entire document.

Live Preview

See exactly how your watermark will look before applying it to the entire document.

100% Private

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

Instant Download

Get your watermarked PDF immediately after processing. No waiting, no queues.

Need Automatic PDF Watermarking?

Our Shopify app delivers digital products with automatic PDF watermarking, stamping, and customer personalization for every order. Add customer names, order IDs, or purchase dates automatically.

View Shopify App
See all features →

Frequently Asked Questions

Yes, this PDF Watermark Generator is completely free to use with no signup required. You can add watermarks to as many PDFs as you need.
Absolutely! All PDF processing happens directly in your browser using JavaScript. Your files are never uploaded to any server, ensuring complete privacy and security.
The free version supports PDF files up to 10MB. For larger files and batch processing, check out our Shopify app which handles files of any size.
Currently, this tool processes one PDF at a time. However, our Shopify app offers bulk watermarking for all your digital products automatically.
This tool accepts PDF files for watermarking. For watermark images, you can upload PNG or JPG files with transparent backgrounds recommended.
This tool only adds watermarks to PDFs. Removing existing watermarks is not supported as it may be used to bypass copyright protections.