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.

Add Password-Protection to a PDF Using a Free App The easiest way to password-protect a PDF is to use one of the many free PDF editing apps. One such app is PDFEncrypt, which is free and open ...

Which? Tech Support member Add a password to a PDF On Windows You can use the free PDFGear app to encrypt a PDF. Open the PDF file in the program and click the Tools tab at the top of the window. Now, ...

To password protect a PDF in Adobe Acrobat Reader, you'll need the paid Pro version, which starts at $14.99 a month.

An icon in the shape of a lightning bolt. Impact Link It takes about 10 seconds to add password protection to a PDF when you use a Mac's Preview software, and those few seconds you invest could ...