The was a controversial browser tool that gained notoriety for its ability to reveal the "hidden" friends list of Facebook users . While users often set their friend lists to "Only Me" for privacy, this tool exploited the logic of Facebook's mutual friends feature to bypass those settings. How the Facebook Friend Mapper Worked
: Some versions of the source code may still exist on GitHub , though they are often outdated and non-functional on current versions of Facebook. facebook friend mapper chrome extension
Once installed and activated on a target's profile, the extension would: The was a controversial browser tool that gained
The extension functioned by leveraging a logical flaw in how Facebook displayed connections between users. To successfully "map" or reveal a target's hidden friends, the user typically needed to have at least with the person they were searching. Once installed and activated on a target's profile,
: After a short processing time, it would display all friends associated with that profile, regardless of their individual privacy settings. Availability and Current Status
: A new option would appear in the profile's Friends tab.
: These tools can record which profiles you visit and potentially steal login credentials or personal information.