🔒 Protect PDF

Encrypt your PDF with a password to keep sensitive data confidential

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Add Password Protection

Encrypt your PDF files with strong password protection to secure sensitive documents

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Secure Encryption

Uses industry-standard encryption methods to protect your documents from unauthorized access

Fast Processing

Quick protection process with advanced PDF encryption technology

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Strong Security

Your files are processed securely and automatically deleted after processing

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Mobile Friendly

Works perfectly on all devices - desktop, tablet, and mobile

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100% Free

No registration required, no hidden fees, completely free to use

Add Password Protection to PDF Files

Secure your sensitive PDF documents with strong password encryption. Our PDF protector tool allows you to set an owner/user password, encrypting your PDF file so that unauthorized persons cannot open, edit, or copy the content. Highly recommended for tax forms, contracts, and personal documents.

How to Protect a PDF

  1. Upload the PDF document you want to secure.
  2. Type a strong password of your choice.
  3. Click the "Protect PDF" button.
  4. Download the newly encrypted PDF file.

Frequently Asked Questions (FAQ)

Q: What kind of encryption is used?

A: The tool uses standard 128-bit RC4 or AES encryption depending on the file configuration to ensure high security.