Protect PDF Files with Password

Add strong password protection to your PDF documents. Restrict editing, printing, and copying. 100% secure, works entirely in your browser.

Protect PDF Now Security Features

Drop Your PDF File Here

Or click to select a PDF file from your device. We'll encrypt it with military-grade security.

Security Settings

Password Protection

Set a strong password to restrict access to your PDF file.

Document Permissions

Control what users can do with your protected PDF.

Encryption Level

Choose the security level for your PDF encryption.

🔒 Advanced PDF Security Features

Protect your sensitive documents with military-grade encryption and granular access controls. All processing happens locally in your browser for maximum privacy.

Dual Password Protection

Set owner and user passwords with different permission levels. Owner has full control while users have restricted access.

Granular Permissions

Control exactly what users can do: print, copy, modify, or fill forms. Fine-tune access for different recipients.

Military-Grade Encryption

Choose between 128-bit and 256-bit AES encryption. Your documents are protected with the same security used by banks.

Browser-Based Processing

All encryption happens locally in your browser. Your files never leave your computer or get uploaded to any server.

No File Size Limits

Protect PDF files of any size without restrictions. Our tool handles everything from small reports to large catalogs.

Metadata Protection

Encrypt document metadata including author information, creation date, and editing history along with the content.

📖 How to Protect PDF Files

Follow these simple steps to secure your PDF documents with password protection

1

📤 Upload Your PDF

Drag and drop your PDF file directly into the upload area or click to browse your device. Our tool supports all PDF formats with no size limitations. Your file stays on your computer - we never upload it anywhere.

2

🔐 Set Security Parameters

Configure your security settings:

  • Owner Password: Master password with full control
  • User Password: Optional password for restricted access
  • Permissions: Control printing, copying, and editing
  • Encryption Level: Choose 128-bit or 256-bit AES security
3

🚀 Protect & Download

Click "Protect & Download PDF" to encrypt your document. The protected file will be downloaded automatically with your chosen security settings applied. You can now share it securely with confidence.

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