Facebook Friend Mapper Chrome Extension _verified_ -

was a controversial Google Chrome extension that gained notoriety for its ability to bypass Facebook's privacy settings and reveal a user's hidden friends list . Developed by Alon Kollmann, the tool exploited a logical flaw in Facebook's "mutual friends" feature. Core Functionality and Mechanism

Using tools that claim to "reveal hidden friends" in 2026 is highly discouraged: facebook friend mapper chrome extension

: To work, you needed to have at least one mutual friend with the target. was a controversial Google Chrome extension that gained

with a target user, the extension could crawl through that connection and "reveal" the target's entire hidden friend list. The Interface: facebook friend mapper chrome extension