One of the oldest and most reliable workarounds involves forcing Facebook to load its legacy mobile interface. The basic mobile site often bypasses the script that prevents users from opening or saving a profile image.
As mentioned, Facebook explicitly states that apps claiming to show private profile photos are fraudulent and a risk to your security. view private facebook profile picture better
no official Facebook feature that allows you to bypass privacy settings to view a locked or private profile picture in full resolution if you are not their friend Why You Can't See It Better When a user locks their profile , Facebook restricts visibility to non-friends. This means: Resolution is restricted One of the oldest and most reliable workarounds
Privacy settings for a profile picture often differ from the settings of "tagged" photos. Even if a profile is private, you may be able to see the user in photos posted by mutual friends or within public groups. no official Facebook feature that allows you to
If a user has locked their profile, you cannot access their full photo albums. However, you can often view their main profile picture in a slightly better or larger format using native platform features. 1. Utilize the Profile Picture URL Manipulation