Add a watermark to a PDF
Stamp text or a logo as a watermark on your pages.
Protect quotes, plans or photos with “CONFIDENTIAL”, “COPY” or your logo. Set size, color, opacity, angle and position, or repeat the watermark across the whole page.
How to add a watermark to a pdf in 3 steps
Add your file
Click “Select” or drag and drop the file. It stays on your device.
Add a watermark to a PDF
Type the text or choose an image, then adjust its look.
Download the result
Your file is ready in seconds, with no watermark and no sign-up.
Why use Watermark PDF on PDF Atlas?
100% private
Your documents are processed in your browser and never uploaded.
Free & unlimited
No account, no watermark, no daily limit.
Fast
No upload time: results are instant.
Works everywhere
Computer, tablet or phone, on every system.
Frequently asked questions
Can I use my logo?
Yes, choose “Image” and upload a PNG (ideally transparent) or JPG.
Is the watermark applied to every page?
By default yes; you can limit it to some pages with the “Pages” field.
Is Watermark PDF free?
Yes, the Watermark PDF tool on PDF Atlas is completely free, with no sign-up, no limits and no watermark.
Are my files safe?
Yes. Processing happens locally in your browser: your files are neither uploaded nor stored on a server.