Add a text watermark to every page to protect or mark your documents.
How to use Watermark PDF
- Select your file or drag it into the box above.
- Adjust the settings if needed.
- Click "Add watermark" and download the result. Everything happens in your browser.
Frequently asked questions
Is Watermark PDF free?
Yes. Watermark PDF is completely free, requires no registration or account, and has no usage limits.
Are my files safe?
Yes. This tool runs entirely in your browser; your files are never uploaded to any server and never leave your device.
Can I use it on my phone?
Yes. It works in any modern browser on Android, iPhone, tablets and computers – no app to install.