Facebook often displays small thumbnails in search results that are difficult to see clearly.
Most of these "viewers" operate on a clever deception. They don’t hack the target’s account; they simply scour the internet for publicly cached versions of the image. If the user ever posted that photo publicly elsewhere, or if the privacy settings are loose, the tool grabs it. It’s not magic; it’s just a very aggressive Google Image Search disguised as a hack. facebook profile picture viewer best top
Toolzu is widely considered the gold standard for social media viewing tools. It is a web-based platform that requires no software installation. Facebook often displays small thumbnails in search results