Beginner6 min readSecurity
PDF Security Guide: Encryption and Decryption
Complete guide to securing your PDF files with passwords and removing security when needed.
Tutorial Steps
1
Why Secure PDFs?
PDF security protects sensitive information, prevents unauthorized editing, and controls who can view your documents.
2
Types of PDF Security
Password protection (user/owner passwords), encryption levels (128-bit, 256-bit AES), and permission controls.
3
How to Encrypt
Use our Encrypt PDF tool to add password protection. Choose a strong password and select encryption level.
4
How to Decrypt
If you know the password, use our Decrypt PDF tool to remove security and enable full access to the document.