🔒 PDF Protect

Add password protection and encrypt your PDF document securely in your browser.

Select PDF File

Set User Password (Required to open file)

Set Owner Password (Optional for permissions)

What is PDF Protection?

PDF protection encrypts your document with password protection so that unauthorized users cannot open, view, or modify the content of your PDF file.

Frequently Asked Questions

1. Is it safe to protect my sensitive PDF files here?

Yes, 100%. The encryption process happens purely inside your browser using client-side JavaScript. Your file is never uploaded to any external server.

2. What encryption strength is applied to the PDF?

The tool applies standard AES 128-bit encryption to protect opening and editing permissions.

3. What is the difference between User and Owner passwords?

The User password is required to open and read the file, whereas the Owner password controls permissions like printing, editing, and copying text.