Protect PDF
Protect PDF files with a password in seconds. Add encryption and prevent unauthorized access using Nest PDF — 100% free, fast, and secure.
Drag & drop files here or click to select (Max: 100MB)
Your files are safe !
We use the best encryption methods to protect your data.
All documents are automatically deleted from our servers.
How to Protect a PDF Using NestPDF
Upload Your PDF File : Click “Upload PDF” and select the file you want to secure.
Set Your Password & Permissions : Add a password, choose restrictions like disable copying or printing.
Download Your Protected PDF : Click “Protect & Download” — your file is now encrypted and secure.
Password-Protect PDF — Simple & Secure
Add Password to PDF Online
No software needed
Customize Permissions
Prevent printing, editing, and copying
Free & Unlimited
Use without signup or fees
AES 256-bit Encryption
Military-grade file protection
Mobile & Desktop Friendly
Works across all devices
No Ads or Watermarks
Just fast, clean protection
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