A locked profile is a digital "Do Not Disturb" sign. If someone has taken the time to lock their profile, they do not want strangers viewing their picture. The best action is to send a polite friend request and wait for approval.
Most online "DP viewers" function as third-party wrappers or scripts. While some may work temporarily, they often fall into three categories: fb locked profile dp viewer best
Many "viewer" websites operate as phishing fronts. They may ask you to log in with your Facebook credentials to "verify" your identity before showing the picture. A locked profile is a digital "Do Not Disturb" sign