Free Batch PDF Protector - Password Protect Multiple PDFs Instantly

Protect Up to 10 PDFs at Once with Password Encryption

Protect up to 10 PDF files simultaneously with military-grade AES-256 encryption. Batch processing, completely free, secure, and private.

Secure

Fast

Free

See our actual code that deletes your files instantly

Zero Data Storage

Files Auto-Deleted

100% Ad-Free

PDF files only

Drag & Drop PDFs to protect

or click to browse

Max files: 10

Size limit: 100MB each

Add password protection to PDFs

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Batch Processing Power

Protect up to 10 PDFs at once with AES-256 encryption - the same military-grade standard used by governments and financial institutions worldwide.

Custom Permissions

Set specific restrictions like preventing printing, copying, editing, or form filling. Full control over document access.

Privacy Focused

All encryption happens directly in your browser. Your PDF files and passwords never leave your device.

Why Choose Our Free PDF Protector - Add Password to PDF Online?

Powerful features designed for your convenience

  • Batch Processing

    Protect up to 10 PDFs simultaneously

  • Strong Encryption

    AES-256 military-grade security standard

  • Custom Permissions

    Control printing, copying, and editing access

  • Large File Support

    Handle PDF files up to 100MB securely

  • Instant Protection

    Add password protection in seconds

  • Completely Free

    No hidden costs or subscription required

  • No Registration

    Start protecting PDFs immediately

  • Secure Processing

    All encryption happens locally

  • Cross-Platform

    Works on any device or operating system

Frequently Asked Questions

Everything you need to know

How strong is the PDF password protection?

We use AES-256 encryption, the same military-grade standard used by governments and financial institutions. This provides extremely strong protection for your documents.

Can I set different permission levels?

Yes! You can control specific actions like printing, copying text, editing content, filling forms, and more. Set exactly the level of access you want to allow.

What happens if I forget the password?

PDF password protection is irreversible by design for security. Make sure to remember your password or store it securely, as we cannot recover lost passwords.

Are my PDFs and passwords secure?

Absolutely! All encryption happens directly in your browser. Your PDF files and passwords never leave your device, ensuring complete privacy and security.

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