Type watermark text (or upload a logo), then tune opacity, rotation, size, and colour. The stamp is tiled or centred on every page.
Add a watermark to a PDF
Stamp text or an image across every page with opacity and rotation control.
Add a watermark to a PDF: Stamp text or an image across every page with opacity and rotation control. Add your file to the tool above, apply it, and download the result — free, in any browser, with no sign-up.
- 100% free — no sign-up
- Files processed privately
- Fast — no upload wait
- No file-count limit
About this tool
How to use Watermark PDF
1. Add your file
Drop your file onto the Watermark PDF workspace above, or click to browse for it.2. Choose the options
Adjust the settings for watermark pdf — the defaults work for most files.3. Download the result
The result is generated in your browser — nothing is uploaded. Click Download to save it.
Frequently asked questions
Is Watermark PDF free to use?
Yes. Watermark PDF is completely free with no watermark, no account, and no file-count limit.
Are my files uploaded to a server?
No. Processing happens in your browser using WebAssembly and the Canvas API. Your documents never leave your device.
Which browsers are supported?
Any modern browser — Chrome, Edge, Firefox, or Safari. No extension or desktop app is required.
Related PDF tools
Looking for something else? See all PDF tools.