Watermark PDF
Add text or image watermarks to a PDF.
Drop a file here or click to browse
PDF · up to 50 MB each
Your file is transferred over an encrypted connection, processed in an isolated worker, and automatically deleted (within 1 hour for guests, 24 hours for registered users).
How to watermark pdf
- 1
Upload your file to the Watermark PDF tool — drag and drop or click to browse.
- 2
Adjust the available options to match exactly what you need.
- 3
Run the tool — watermark pdf completes in seconds on our secure servers.
- 4
Preview the result, then copy it or download the output file.
Frequently asked questions
Is the Watermark PDF tool free to use?+
Yes. Watermark PDF is completely free with no watermarks, no sign-up requirement, and no file-size paywall. Create a free account only if you want your history and favorites saved.
Is my data safe with the Watermark PDF tool?+
Yes. Files are transferred over an encrypted connection, processed in an isolated worker, and automatically deleted (within 1 hour for guests and 24 hours for registered users). We are GDPR and CCPA aligned.
Do I need to install anything to watermark pdf?+
No installation needed. Watermark PDF works in any modern browser on Windows, macOS, Linux, Android and iOS, and can be installed as a lightweight web app (PWA).
What pdf tools formats does it support?+
Add text or image watermarks to a PDF.