Utilities & Tools (10000 programs)

Pros: User passwords can be double encrypted for an extra level of safety.. Different passwords may be allocated to specific documents..

Cons: PDF Page Lock has only been designed to protect PDF files. Other formats are not supported.. Mobile users will not be able to access this encryption program..

Pros: Free. Fast and lightweight. Plenty of customization options.

Cons: Not as extensive as other similar options.