Facebook allows users to hide their friend lists from the public. If you visit a profile where the friends are hidden, you typically see a message stating, "No friends to show" or simply a lack of a friends tab.
Following the Cambridge Analytica scandal, Facebook introduced strict API (Application Programming Interface) limitations. As of 2025, Facebook’s Graph API third-party apps to access your friends' friend lists unless those friends have also authorized the same app. This effectively killed legitimate friend mapping. Facebook Friend Mapper Extension Download
If your goal is to manage your own network or analyze engagement rather than "spying," there are safer, verified tools available: chromewebstore.google.com Friend Exporter - Extract friends list - Chrome Web Store Facebook allows users to hide their friend lists
If you have already clicked a "Facebook Friend Mapper Extension download" link from a shady website, take these steps immediately: As of 2025, Facebook’s Graph API third-party apps