It cannot bypass Facebook's internal security to view newly created private posts or restricted media.

It queries mirrored endpoints and backend caches to fetch publicly available data from the account's history.

Captures deleted messages, active stories, and comments.

Web-based tools require no login or software download. They pull data from public servers, caches, and legacy index pages. PeekViewer PeekViewer is a browser-based, no-signup private viewer.

The true capabilities of online viewer tools must be understood within the boundaries of and Facebook’s Security Guidelines . Direct Comparison of the Best Facebook Profile Viewer Tools

Operates silently in the background, executing keystroke logging and automatic screen captures.

xMobi focuses on scraping previous metadata and cached profile data.

Extremely fast loading time and fully anonymous browsing.

uMobix provides visibility across all parts of the targeted device's Facebook ecosystem.