Watermark PDF on Mac
Search macOS for a PDF watermark feature and come back empty — Preview annotates single spots, never marks every page. The browser tool does: text or logo, all pages, from any Mac. Free with fair daily limits.
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Drag & drop your file here
or click to browse · Up to 15 MB
Select fileAccepted: PDF
Your files are processed temporarily and deleted automatically — there is no general cloud storage. File deletion.
How to watermark pdf
Simple steps — no software to install.
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Open Watermark PDF in your browser
Any macOS.
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Set text or logo mark
Opacity and position controlled.
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Download marked
Every page, one pass.
Why use our Watermark PDF
Secure & private
Files are encrypted in transit and deleted automatically after processing.
Fast results
Optimized processing returns your file in seconds.
Free to start
Core tools are free with daily limits — no install required.
Works anywhere
Runs in your browser on any device, anywhere in the world.
The gap in the Mac toolbox
Marking CONFIDENTIAL across a 30-page document is not a Preview job — its annotations are per-spot, per-page manual labor. Watermarking applies the mark document-wide in one setting, which is the entire point.
The Safari route
Upload, set the text or logo with opacity and position, download the marked copy — original untouched, mark on every page, no App Store detour.
- Document-wide marking
- Text and logo watermarks
- No macOS app exists for this
- Free with fair daily limits
- Files auto-deleted