Encrypt PDF Online Free
Protect your PDF documents with strong password encryption. Secure your sensitive files without installing any software.
Select PDF File to Encrypt
Choose a PDF document to password protect
PDF Encryption Security Features
AES-256 Encryption
Military-grade encryption standard used by governments worldwide
Custom Passwords
Set your own strong password for maximum security control
Permission Control
Control who can print, copy, or edit your documents
How to Encrypt PDF Files
Upload PDF
Select your PDF file that needs encryption
Set Password
Create a strong password and choose permissions
Download Secure PDF
Get your password-protected PDF file
Strong Password Guidelines
Use 12+ Characters
Longer passwords are exponentially harder to crack
Mix Character Types
Combine uppercase, lowercase, numbers, and symbols
Avoid Common Words
Don't use dictionary words or personal information
Free PDF Encryption Benefits
Completely Free
No subscription fees or hidden costs - encrypt unlimited PDFs
Browser-Based Security
Your files are encrypted locally in your browser for maximum privacy
Instant Encryption
Protect your PDFs in seconds without waiting or delays
When to Encrypt PDF Files
Business Documents
Financial reports, contracts, and confidential business information
Medical Records
Patient information and medical documents requiring HIPAA compliance
Legal Documents
Court filings, attorney-client privileged communications, and legal contracts
Personal Finance
Tax returns, bank statements, and investment portfolios
Encryption Standards We Use
AES-256 Encryption
Advanced Encryption Standard (AES), widely used for securing sensitive data
PDF Security Standard
Follows official PDF security specifications for maximum compatibility
Industry Compliance
Meets requirements for GDPR, HIPAA, and other data protection regulations
Ready to Secure Your PDF?
Start encrypting your PDF documents for free right now