When a Facebook profile is locked, it is designed to strictly limit access to personal content for anyone who isn't a friend. While many third-party tools and websites claim to be "locked profile viewers," most are deceptive and can compromise your own account security. Understanding Locked Profiles
If you're trying to protect your own account, you can find the "Lock Profile" option under your profile settings (three dots menu) if the feature is available in your region [1]. If you'd like, I can: Show you how to check your own privacy settings fb locked profile cover photo viewer
Many online tools and browser extensions claim to offer workarounds for locked profiles: Browser Extensions: Tools like the Facebook Profile Picture Viewer Facebook ID Grabber When a Facebook profile is locked, it is
An FB locked profile cover photo viewer is any method, tool, or trick used to see the full-sized cover photo of a Facebook account that has been locked by its owner. Security Many online tools and browser extensions claim
The Claim: Using a developer tool or custom script, you query Facebook’s internal GraphQL endpoint directly.