Protect PDF

Add password protection to PDF files. Encrypt your PDF with a secure password.

Drop your file here or click to browse

Maximum file size: 50.0 MB

Accepted: .pdf

Features

  • ✓Password protection
  • ✓AES encryption
  • ✓Permission controls
  • ✓Secure output
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Protect PDF files with password encryption to prevent unauthorized access. Use AES encryption to secure sensitive documents, control permissions, and keep your confidential files safe from unwanted viewers.

How it works

  1. 1Upload your PDF file to the tool
  2. 2Set a strong password for encryption
  3. 3Configure permission controls if needed
  4. 4Download your encrypted PDF

Who uses this tool

  • ✓Professionals securing confidential business documents and contracts
  • ✓Students protecting personal academic records and thesis papers
  • ✓Healthcare providers encrypting patient information and medical records
  • ✓Legal teams safeguarding case files and privileged communications
  • ✓Businesses restricting document printing and editing capabilities

Frequently Asked Questions

How do I use Protect PDF?
Upload your PDF, set a password, choose permissions, then click Protect to download the encrypted file.
Is Protect PDF free?
Yes, Protect PDF on ToolPix is 100% free with no signup or installation required.
Is my data safe?
Uploaded files are automatically deleted within 2 hours. We never share your data.
What encryption standard is used?
We use 256-bit AES encryption, the same standard used by banks and government agencies.
Can I restrict printing and copying?
Yes — you can set permissions to prevent printing, copying text, or editing while still allowing the document to be opened and viewed.

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