File Lock PEA vs STDU Viewer

A side-by-side look at File Lock PEA and STDU Viewer. For an in-depth review of either product, follow the links below.

File Lock PEA

Security & Privacy

File Lock PEA is a portable program that allows you to lock files, folders or drives to prevent unauthorized access. It's useful for protecting sensitive data on USB drives or shared computers.

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STDU Viewer

Office & Productivity

STDU Viewer is a free portable software used to open and view various file types like PDFs, images, Microsoft Office documents, emails, archives, EPUB books and more. It supports viewing over 20 file formats and includes features like tabbed browsing, thumbnail previews, bookmarks and annotations.

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