Watermark PDF
Add custom text or image watermarks to your PDF documents.
100% In-Browser • Zero Uploads
No Login Required
Drop your PDF here to watermark
About Watermark PDF
Stamp files with your logo or name. Adjust size, angle, and opacity right in your browser with zero uploads.
100% Client-Side
Your files and data are processed locally in your browser memory. Never uploaded to remote servers.
Zero Login Required
Instant access with no account, no email sign-up, no passwords, and no subscription paywalls.
Instant Speed
Powered by modern WebAssembly and native web APIs for near-instant rendering and zero latency.
Privacy Guaranteed
Zero data retention, no user tracking cookies, and GDPR/HIPAA friendly. Your data remains strictly yours.
All Devices Ready
Fully responsive on desktop, tablet, and mobile devices without installing software or extensions.
How to Use
- Upload your PDF file.
- Enter your text or upload an image watermark.
- Adjust position, rotation, and transparency.
- Click Apply and download your file.