This classic method works by forcing Facebook to load its legacy mobile interface, which typically allows you to open images in their original quality.
For frequent users, browser extensions can add a "View Full Size" option directly to the Facebook interface. view facebook profile picture full size full
Navigate to the profile picture and long-press it (or right-click on desktop). This classic method works by forcing Facebook to
If you want a one-click solution, several third-party websites can fetch the full-size image using only the profile's URL. view facebook profile picture full size full