Google removed the extension from the Chrome Web Store shortly after its mechanics became public knowledge. Additionally, Facebook patched the specific API loophole and data scraping vulnerability that allowed the tool to map private graphs. Any website or link claiming to offer a working "Facebook Friend Mapper Extension Download" in 2026 is highly suspect. The Risks of Downloading Fake Map Extensions
While you cannot legally bypass a user's privacy settings, you can still use Facebook legitimately to find connections: Facebook Friend Mapper Extension Download