If you are looking to optimize your own "top" profile picture for viewers, consider these tips: Dimensions : Aim for at least 320 x 320 pixels for the best quality across devices [8].
Digital Shadows: An Analysis of Facebook Profile Picture Visibility and "Viewer" Tools
Stay safe and protect your account.
Searching for a "Facebook profile picture viewer" usually points to two different needs: seeing who viewed your profile or seeing someone's full-size profile picture (especially if it is locked). 1. Viewers of Your Profile officially states that they do
You can see who or commented on your profile picture, but that’s not the same as viewing.
: A specialized app for high-speed downloads of Facebook media, featuring a secure login and support for multiple resolutions. ESUIT | Photos Downloader for Facebook