Free Batch PDF Protector - Password Protect Multiple PDFs Instantly
Protect Up to 10 PDFs at Once with Password Encryption
Protect up to 10 PDF files simultaneously with military-grade AES-256 encryption. Batch processing, completely free, secure, and private.
Secure
Fast
Free
See our actual code that deletes your files instantly
Zero Data Storage
Files Auto-Deleted
100% Ad-Free
PDF files only
Drag & Drop PDFs to protect
or click to browse
Max files: 10
Size limit: 100MB each
Add password protection to PDFs
Batch Processing Power
Protect up to 10 PDFs at once with AES-256 encryption - the same military-grade standard used by governments and financial institutions worldwide.
Custom Permissions
Set specific restrictions like preventing printing, copying, editing, or form filling. Full control over document access.
Privacy Focused
All encryption happens directly in your browser. Your PDF files and passwords never leave your device.
Why Choose Our Free PDF Protector - Add Password to PDF Online?
Powerful features designed for your convenience
Batch Processing
Protect up to 10 PDFs simultaneously
Strong Encryption
AES-256 military-grade security standard
Custom Permissions
Control printing, copying, and editing access
Large File Support
Handle PDF files up to 100MB securely
Instant Protection
Add password protection in seconds
Completely Free
No hidden costs or subscription required
No Registration
Start protecting PDFs immediately
Secure Processing
All encryption happens locally
Cross-Platform
Works on any device or operating system
Frequently Asked Questions
Everything you need to know
How strong is the PDF password protection?
We use AES-256 encryption, the same military-grade standard used by governments and financial institutions. This provides extremely strong protection for your documents.
Can I set different permission levels?
Yes! You can control specific actions like printing, copying text, editing content, filling forms, and more. Set exactly the level of access you want to allow.
What happens if I forget the password?
PDF password protection is irreversible by design for security. Make sure to remember your password or store it securely, as we cannot recover lost passwords.
Are my PDFs and passwords secure?
Absolutely! All encryption happens directly in your browser. Your PDF files and passwords never leave your device, ensuring complete privacy and security.