Sometimes, viewing the profile via a desktop web browser (rather than the mobile app) might display different public elements, such as historical profile pictures that were left public. Staying Safe on Social Media
The search for an "online exclusive" tool to view locked Facebook profile pictures often leads to scams or misleading stories. Facebook's security architecture is designed to prevent unauthorized access to private media, and there is no official "viewer" for locked content. The Reality of Locked Profiles facebook locked profile picture viewer online exclusive
Non-friends can only see a small, blurry, or thumbnail version of the profile picture and cover photo. Sometimes, viewing the profile via a desktop web