Watermark PDF
Add a text or image watermark with full control over size, color, opacity, rotation and position. A live preview shows exact placement before you export.
- Processed locally in your browser
- No watermark
- No sign-up
- Works offline
Choose a PDF or drop it here
One PDF · live preview updates as you configure
How it works
- 1Open a PDF.
- 2Choose a text or image watermark and tune position, opacity, rotation and style.
- 3Check the live preview - it uses the same placement math as the final export.
- 4Apply to all or selected pages and download.
Your privacy
This tool runs entirely inside your browser using JavaScript and Web Workers. Your document is never uploaded to any server — you can even disconnect from the internet and keep working once the page has loaded.
Frequently asked questions
▸Can I use my company logo?
Yes. Switch to Image mode and add a PNG or JPG; scale and position it anywhere on the page.
▸Does the watermark appear under or over content?
It is drawn over existing page content. Use low opacity if you need body text to remain readable.