Encrypt PDF
Add open or owner password protection to PDF files locally — your documents never leave your device.
How to Use PDF Encrypt Tool
Step 1:Select PDF File
Select the PDF to encrypt. System supports files up to 100MB.
Step 2:Set Passwords
Enter user password (required) to open the document. Optionally set owner password to control printing, copying, etc.
Step 3:Choose Encryption Strength
Recommended AES-256 encryption provides bank-level security. AES-128 offers better compatibility.
Step 4:Download Encrypted File
Click "Start Encrypting" and the encrypted PDF will download automatically. Keep passwords safe—lost passwords cannot be recovered.
Key Features
Advanced PDF encryption with comprehensive security controls
Password Protection
Set user and owner passwords for different access levels
AES Encryption
Industry-standard AES-128/256 encryption for maximum security
Permission Control
Fine-grained control over printing, copying, and editing permissions
Privacy Protection
Prevent unauthorized access to sensitive document content
Format Preservation
Maintains original document layout and quality after encryption
Local Processing
All encryption happens in your browser for complete privacy
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