Add watermarks, then continue with encrypt, compress, or sign
100% private — your files never leave your browser. All processing happens locally on your device, nothing is uploaded to any server.
Client-Side OnlySecure
How It Works
01
Upload Your PDF
Select or drag & drop the PDF file to watermark.
02
Customize Watermark
Set text, size, color, opacity, and position with live preview.
03
Download or Continue
Download your watermarked PDF, or continue — encrypt, compress, or sign — in one workflow.
Frequently Asked Questions
Yes. You see a live preview of the watermark on your PDF pages as you adjust settings.
You can customize text, font size, color, opacity, and position (diagonal or center). The watermark is applied to all pages.
100% Private
Files never leave your browser
No server processing
No file size limits