Sending important documents? Learn how to password protect PDFs for extra security using easy steps with Adobe Acrobat and free online tools.

If you have a confidential PDF you want to password protect, you have a few ways to do that on your Windows 11 PC. You can use a desktop app or a web-based tool to encrypt your PDF files.

This post covers free tools to password protect PDF online in Windows 11/10. You can also set copy, modify, and print permissions to PDF.

Do you share PDF documents with people? Here's a guide on how to password protect a PDF on Mac to protect it from unauthorized access, editing, and printing.