Watermark – free online
Stamp an image or text over your PDF in seconds. Choose the typography, transparency and position.
How to use Watermark
- Open Watermark on ToolPlanet AI.
- Choose a PDF from your device, or drag and drop onto the page.
- Type text or choose an image, then set position, size and transparency.
- Download a watermarked PDF.
Frequently asked questions
Is Watermark free?
Yes. Watermark on ToolPlanet AI is completely free, with no sign-up, no watermark and no limit on downloads.
Are my files uploaded when I use Watermark?
No. Watermark runs entirely inside your web browser, so your file never leaves your device and is not uploaded to any server.
What do I need to use Watermark?
Just a web browser such as Chrome, Edge, Safari or Firefox, on a computer or phone. You start with a PDF and get a watermarked PDF.
Do I need to install software or create an account?
No. Everything works online in your browser. There is nothing to install and no account to create.
More Edit PDF tools
Edit PDF in the same font
Click any text to change it. Prices, names, dates — edits keep the PDF's own font. Add text, boxes and images, then save.
or drop a PDF here · files stay in your browser