Add Watermark
Stamp text or an image across every page with full control of style.
Runs in your browser
Instant processing
No sign-up
How to use Add Watermark
1
Add your PDF.
2
Type the watermark text or upload a logo, then tune size, colour and angle.
3
Apply and download.
Set opacity around 10-20% for a subtle stamp, or 100% with "draw behind content" for a letterhead-style block.
Privacy
Nothing leaves this device
This page loads a local PDF engine and performs the whole job inside your browser tab. There is no upload step, no temporary server copy and no log of your document. Close the tab and every trace is gone.
No uploads
No tracking
Works offline
FAQ
Add Watermark questions
Is add watermark free?
Yes: Add Watermark is completely free, with no account, no watermark and no file limit.
Are my files uploaded?
No. Add Watermark runs entirely in your browser using the local PDF engines. Your document is never transmitted to a server, which is why it also keeps working offline.
Does it work on phone and desktop?
Yes. Any modern browser on Windows, macOS, Linux, Android or iOS can run the tool, the interface adapts to the screen size.
Next steps
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