Add Watermark to PDF
Overlay text or image watermarks onto PDF pages.
Select PDF to Watermark
How to Use
1. Select or input data into the form field above. 2. Adjust configurations or optimization values. 3. Click the process button. 4. Copy or download output data.
Key Features
Fast browser processing 100% secure client-side execution Clean responsive UX framework One-click copy and download support
About Add Watermark to PDF
Nora Tools presents Add Watermark to PDF, a professional utility developed to solve daily operations online. Using WebAssembly, HTML5 canvas, and modern ECMAScript standards, this tool runs entirely client-side. The processing remains locally inside your web browser, ensuring zero data tracking or leakage.
Frequently Asked Questions
Is the Add Watermark to PDF safe to use?
Yes, all processing is performed locally inside your web browser. Your files and data are never sent to our servers.
Is there any file size limit?
Limits depend on browser memory. Standard file weights (under 20MB) execute in milliseconds.