About Add PDF Watermark
Add PDF Watermark stamps text such as DRAFT or CONFIDENTIAL onto every page. It helps mark internal documents or discourage unauthorized reuse.
How to use Add PDF Watermark
- Select your PDF file.
- Type the watermark text.
- Press the button and download the watermarked PDF.
Privacy and limits
Your PDF is processed inside your browser and is not sent to a conversion server. PDF libraries load from public CDNs, so you need an internet connection. Files up to 60 MB each are supported, and password-protected PDFs may not work.