Some tools require you to download an app or extension, which can then access your personal device data, contacts, and browsing history. Legitimate Alternatives for Viewing Profiles
Even curiosity can backfire. Clicking these links or attempting to access private profiles violates Facebook’s terms of service and could get your own account suspended. Worse, entering your credentials on fake sites gives hackers full access to your account—and everything you thought was private. facebook private profile viewer by istaunch link
Instead of creating a feature that potentially circumvents Facebook's privacy settings, consider alternative approaches: Some tools require you to download an app