Protect PDF Online
Add password protection to your PDF. Encrypt and secure your documents.
Select PDF file to protect
Drag & drop your PDF here, or click to browse. Add password protection to secure your document.
Drag and drop or browse from your device. Max 100MB per file.
Files start processing only after you choose them. You can remove any file before continuing.
Works with popular document and image formats
Free to use
No signup or hidden charges
Auto-delete in 1 hour
Temporary files are cleared automatically
Encrypted transfer
Uploads stay protected in transit
Fast conversion
Optimized processing for common formats
Reliable output
Built for clean, shareable final files
Works anywhere
Desktop, tablet, and mobile friendly
How to Protect PDF
Upload PDF
Select or drag your PDF file to the upload area
Set Password
Enter and confirm your password for encryption
Download PDF
Get your password-protected PDF instantly
Why Use Our PDF Protector?
Strong Encryption
AES-256 encryption for maximum security
Easy to Use
Simple interface with no technical knowledge needed
Instant Protection
Encrypt your PDF in seconds
No Registration
Protect PDFs without creating an account
Preserve Quality
Original formatting and quality maintained
Secure Processing
Files encrypted and auto-deleted after 1 hour
Password Protection
Add strong password protection to your PDF. Prevent unauthorized access with AES-256 encryption.
Secure PDF Processing
Your files are encrypted using TLS during transfer and automatically deleted after one hour.
Works on Any Device
Protect PDFs easily from any web browser. Works on Mac, Windows, Linux, iPhone, iPad, and Android.
Strong Passwords
Set strong passwords with confirmation. Your PDF will require the password to open.
Instant Results
Get your protected PDF in seconds. No software installation required.
Cloud Security
Secure cloud processing with automatic file deletion. Your documents stay private.
Featured Tools
Start with the strongest supported tools in the product.