Add watermark into a PDF
Stamp an image or text over your PDF in seconds. Choose the typography, transparency and position.
or drop PDFs here
Your files are processed in your browser and never uploaded to any server.
How to use Watermark
- 1Select your PDF file.
- 2Type your text or choose a logo, then set position, rotation and transparency.
- 3Click “Add watermark” and download.
About Watermark
Protect drafts and brand your documents with “CONFIDENTIAL” stamps or your company logo, placed once per page or tiled as a mosaic.
- No upload – 100% private processing on your device
- Free with no watermark and no sign-up
- Works on Windows, Mac, Linux, Android and iOS
Frequently asked questions
Is Watermark free to use?
Yes, completely free. No registration, no watermarks and no daily limits.
Are my files safe?
Your files never leave your device. All processing happens locally in your web browser, so nothing is uploaded to any server.
Does it work on mobile phones?
Yes. It works in any modern browser on Android, iPhone, iPad, Windows, Mac and Linux – no app installation needed.