Most sites ask you to "Login with Facebook to verify you are human." The moment you enter your email and password on that fake pop-up, you hand the hackers the keys to your account. They will change your password, spam your friends, or use your data for identity theft.
: You install the extension, grab the user's unique Facebook ID from their profile, and use a secondary website provided by the tool to "get profile picture" facebook locked profile picture viewer online better
If you genuinely need to view a locked profile picture more clearly, skip the malware and use these three legitimate strategies. They are not "crackers," but they are and actually functional. Most sites ask you to "Login with Facebook