How to Add Watermark to PDF Online — For Free
Secure your documents and claim ownership. Add custom text stamps or image logos to your PDF files instantly.
4 Simple Steps to Watermark Your PDF
- 1
Upload Your PDF
Drag and drop your PDF file or click to select from your device. We support files of any size with no sign-up required.
- 2
Customize Watermark
Choose between Text or Image watermark. Adjust opacity, rotation, position, font size, and color to match your needs.
- 3
Apply Watermark
Our tool processes your PDF instantly in the browser. Your file stays secure on your device and is never uploaded to a server.
- 4
Download Protected PDF
Save your watermarked document immediately. You can process and download multiple files at once.
Why Use QuickPDF to Watermark Files?
Protect Document & Copyright
Prevent unauthorized use and copying of your documents. Clearly mark ownership with text or logo watermarks.
Custom Text Watermarks
Add "Confidential", "Draft", or your company name. Customize font size, color, transparency, and rotation angle.
Logo & Image Support
Upload your brand logo (PNG/JPG) to stamp on every page. Adjust scale and opacity for a professional look.
When Should You Watermark a PDF?
Watermarking is essential for security and branding. Here are common scenarios where adding a stamp makes sense:
100% Private & Client-Side
We process your files directly in your browser. No sensitive documents are ever sent to our servers, ensuring your data remains completely private and secure.
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