Protect PDF - Encrypt PDF & Add Password
Encrypt PDF documents with user passwords and custom security permissions.
Processed 100% locally in your browser. Passwords and files are never sent to a server.
Upload PDF to Protect with Password
Upload PDF to Protect with PasswordEncrypt PDF document with password protection so it requires a password to open
Taille max de fichier : 25 MoÀ propos de Protect PDF - Encrypt PDF & Add Password
Applies AES-128 encryption and user passwords to protect PDF files from unauthorized viewing, printing, or copying.
How to Encrypt PDF with Password
1. Select your PDF document.
2. Enter a strong password and confirm it.
3. Click "Encrypt PDF" to apply 128-bit AES encryption.
4. Download your password-protected PDF file.
Exemples d'utilisation
Password Protecting Confidential PDF
Input: Financial_Audit.pdf Password: "Secur3#PassWord2026" Result: Financial_Audit_Protected.pdf (Requires password to view)
Foire aux questions
What encryption level is applied?
Applies standard 128-bit AES encryption compatible with Adobe Acrobat and standard PDF viewers.