LockPDF vs Secret PDF
A side-by-side look at LockPDF and Secret PDF. For an in-depth review of either product, follow the links below.
LockPDF
Security & Privacy
LockPDF is a PDF protection and security software that allows users to password protect PDF files, restrict editing/printing/copying, apply watermarks, set file permissions, apply digital signatures, and perform other PDF security tasks.
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Secret PDF
Security & Privacy
Secret PDF is a free software tool for Windows, Mac and Linux that allows users to password protect, encrypt and secure their PDF files. It features standard and military grade AES encryption methods to password protect and lock PDFs, preventing unauthorized access.
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