Add PDF Password

Secure your PDF files by encrypting them with a strong password. Protect sensitive information quickly and easily.

Add Password

About this tool

The Add PDF Password tool encrypts your PDF files with AES-256 bit encryption, ensuring only people with the correct password can open and view your documents.

How to use:

1. Upload the PDF you want to protect.
2. Enter a strong password of your choice.
3. Click Add Password to encrypt your PDF.
4. Download the newly secured file instantly.

Features:

• Applies AES-256 encryption for maximum security.
• Works entirely in the browser — no installations required.
• Protects sensitive and confidential information.
• Supports batch processing of multiple PDFs.
• Fast and secure — files auto-delete after processing.

Notes:

• Choose a strong, memorable password (at least 8 characters, mix of letters, numbers, and symbols).
• If you forget your password, the file cannot be unlocked.
• File size and encryption strength may affect processing time.