Use Facebook’s built-in reporting tools. Click the three dots on the profile > "Find Support or Report Profile" > "Pretending to Be Someone." Facebook investigates fake accounts. You do not need to view the private content to report it.
“"Any tool claiming to access private profiles without device installation or authentication is technically impossible and likely malicious." — Security contributor from mSpy Community” mSpy · 3 months ago How to Safely Manage Profile Privacy fb private profile viewer top
If you want to see someone's private Facebook information, there are only a few safe and ethical paths forward: Use Facebook’s built-in reporting tools
Facebook offers a "Profile Lock" feature that is the single most effective way to instantly secure your account from non-friends. When activated, it prevents people who are not your friends from: “"Any tool claiming to access private profiles without
Facebook's automated systems detect third-party scraping attempts and permanently ban your account.