The ViceVersa PDF Lock & Unlock Software without losing any data lock and unlock PDF files. It has a user-friendly interface so users can easily use this tool without hassle. It is the safest way to lock unlimited PDF files and unlock PDF files. Users can quickly lock and unlock multiple PDF files without any hassle. It is compatible with every version of Windows OS like 11, 10, 8, 7, XP, Vista, and others. Non-techy and techy users will find it easy to use. Users can use this standalone tool to lock and unlock PDF files directly. Anyone can use this software without the need for additional software because it is sufficiently basic. Because of its lightweight and user-friendly design, this tool is suitable for all users. Users can try the tool out for free by using the trial version. The primary concept's original file format is preserved while PDF documents are exchanged effectively and efficiently. It's easy to create new PDF files with this tool. It uses passwords to safeguard PDF files and removes them to unlock them.