Add Watermark to PDF
Online (Free)
Want to slap “CONFIDENTIAL”, “DRAFT”, or your name across a PDF? Do it in seconds – looks pro, super easy, and totally free!
No account • Unlimited use • Everything stays private • All free
Add Watermark to PDF Online Free – Keep Your Docs Safe
Need to mark a PDF as “CONFIDENTIAL”, “DRAFT”, or just add your copyright? This tool does it across every page in one click – clean, subtle, and professional. All on PDF Linx, fast and free!
Your Text, Your Way
Write whatever you want – “CONFIDENTIAL”, “DO NOT COPY”, your name, anything.
Every Page Covered
Watermark shows up neatly on all pages – no extra work.
Free & Super Private
Do it as many times as you like – nothing leaves your browser.
Add Watermark in 3 Quick Steps
Upload Your PDF
Drop it in or click to pick from your device.
Type the Text
Add your message and tweak how faint or bold it looks.
Download
Grab your protected PDF – done!
Pros and everyday folks use PDF Linx to watermark PDFs quickly – it's reliable, simple, and always free.
