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The original Chrome extension is no longer available on the official Chrome Web Store because the privacy exploit it used—exploiting mutual friend data to reveal "hidden" friend lists—was patched by Facebook years ago. facebook friend mapper extension download top
It used special queries to crawl through mutual connections and visualize degrees of separation, effectively mapping out a user's private social circle. The Controversy: Security experts at The Hacker News This is the only recommended method to avoid viruses
The tool operated on the principle that even if a user hides their friend list, the "Mutual Friends" feature remains inherently public for individuals who share at least one connection. The Controversy: Security experts at The Hacker News
A Facebook Friend Mapper is a browser extension (usually for Chrome, Edge, or Firefox) that scans your Facebook activity. Unlike Facebook’s native "Friends" tab, these extensions use algorithms to: