Facebook profile locking strictly limits non-friend access to profile and cover photos, restricting visibility to small, non-enlargeable thumbnails. Third-party "locked profile viewer" tools are often ineffective or malicious, making direct friend requests the only reliable way to view private content. For official details on privacy features, visit the Facebook Help Center .
You visit a website like “lockcoverviewer[.]xyz”. It asks you to enter the target’s profile URL. It then displays a loading spinner for 30 seconds. Finally, it says: “Verification required. Complete 1 offer to prove you are human.” The offer is a survey asking for your email, phone number, or credit card “for age verification.” You just sold your data for a non-existent image. fb locked profile cover photo viewer