Secure Your PDF Documents | Protect pdf with password | PdfTools.pro

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Encrypt your pdf file with password

Add a password to protect your pdf documents. No software required, max privacy

Comprehensive PDF Security

Protect your sensitive documents with advanced security features. Control access, prevent editing, and secure your intellectual property.

Password protection and encryption
Permission controls and restrictions
Digital signatures and certification
Watermarking and redaction tools

PDF Unlocking & Recovery

Regain access to restricted PDF documents with our secure unlocking tools. Remove passwords and restrictions while maintaining document integrity.

Remove owner passwords
Lift printing and editing restrictions
Recover corrupted PDF files
Maintain original content quality

Enterprise-Grade Security & Privacy

Your documents are processed securely in your browser with military-grade encryption. No file storage, no data sharing - complete privacy guaranteed.

100% client-side processing
End-to-end encryption
Automatic file deletion
No registration or personal data required