: If a profile is locked, Facebook only serves a lower-resolution thumbnail to non-friends. You cannot legally or easily "force" a high-definition download if the high-res version isn't loaded by the server.
: Click Download or transfer information , choose your profile, and then select Specific types of information . Be sure to check Posts or Photos and Videos . Download Facebook Private Profile Picture
: Tools such as ESUIT Photos Downloader can be added to Chrome to help batch-download images from profiles you have access to. : If a profile is locked, Facebook only