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Firefox PDF Viewer (PDF.js) vs U Scanner

A side-by-side look at Firefox PDF Viewer (PDF.js) and U Scanner. For an in-depth review of either product, follow the links below.

Firefox PDF Viewer (PDF.js)

Firefox PDF Viewer (PDF.js)

Web Browsers

Firefox PDF Viewer (PDF.js) is an open source PDF viewer that is built into Firefox. It allows you to view PDFs directly in the browser without needing an external plugin.

open-sourcepdfviewerfirefoxbrowser-plugin
U Scanner

U Scanner

Security & Privacy

U Scanner is a freeware program that scans Windows systems for vulnerabilities. It checks for outdated software, missing security patches, open ports, misconfigurations, and other potential security risks.

scannervulnerabilitysecurityprivacy