PDF Encrypt
Free online PDF encryption tool. Protect any PDF document with a password to restrict unauthorized access. Set user and owner passwords with configurable permissions. All processing happens locally in your browser - no signup, no upload, no registration.
Click to upload or drag and drop
Max file size: 10MB
Frequently Asked Questions
What level of encryption does this tool use?
The tool uses AES-256 encryption with RC4 fallback for compatibility, which is the industry standard for PDF security. This provides strong protection against unauthorized access while maintaining compatibility with most PDF readers.
Can I set different permissions for printing and editing?
Yes, the default permissions allow high-resolution printing and content copying while restricting modification, annotation, form filling, and document assembly. These permissions can be adjusted based on your security needs.
Is it safe to encrypt sensitive documents with this tool?
Yes, completely safe. All encryption happens locally in your browser - your PDF and password are never sent to any server. Your sensitive documents never leave your device, ensuring complete privacy and security.
Is PDF Encrypt free, and do I need to sign up or upload my files?
PDF Encrypt is 100% free to use with no signup, no registration, and no usage limits. All processing happens locally in your browser - your files and data never leave your device, so no upload is required and your privacy is fully protected.