: Services like FVDownloader allow you to simply paste a profile URL to view and download the photo in high quality without installing software. Browser Extensions (PC) :
: A popular extension by Adem Kouki that adds a "Unlock full size profile picture" option to your right-click menu when on a Facebook profile. fb profile picture viewer
Long-press or right-click the profile image on the basic page to "Download" or "Open image in new tab" for a larger version. Why Use a Profile Picture Viewer? How to see Full Size profile pic of Locked Facebook Account : Services like FVDownloader allow you to simply
: Specifically designed to bypass profile guards and show images in HD. fb profile picture viewer
Depending on your device and technical comfort, there are several ways to access full-size images: