Add PDF Watermark
Add text watermark to all PDF pages.
Select PDF File
or drag & drop PDF here
About Add Watermark Online
Add text or image watermarks to your PDF documents to protect your copyright online for free.
How to Use Add Watermark
Upload PDF File
Select the PDF document you wish to protect with a watermark.
Customize Watermark
Type text or upload an image logo, then configure transparency, size, position, and rotation.
Apply & Download
Apply the watermark and download your protected PDF document.
100% Secure & Private
Your files are processed locally in your browser. No data is uploaded to our servers.
Super Fast & Lightweight
Processing runs instantly using local WebAssembly, bypassing server queues.
Free & No Watermark
All PDF tools are accessible for free without watermark, limits, or registration.
Frequently Asked Questions (FAQ)
Yes, you can customize the opacity of text or image watermarks so they protect your document without covering important content.
Yes. All processing is done 100% locally in your browser. Neither your PDF nor your logo is uploaded to the internet.