Profile Picture Viewer is a free Chrome add-on developed by Adem Kouki. This add-on allows users to bypass the profile picture guard on various social media platforms and view user's profile pictures in full size.

To use the add-on, simply open the user's profile page and right-click on the profile picture. From the context menu, select "Unlock full size profile picture" and the full-size image will be displayed.

Recent updates to the add-on include the ability to open and download profile pictures from Mess3nger, TikT0k, and Instagram. The add-on has also fixed issues with Instagram and resolved problems with URLs on Facebook's friends and groups pages. Additionally, the add-on has addressed trademark complaints by replacing all logos, images, and names related to Facebook.

Overall, Profile Picture Viewer is a useful tool for those who want to view profile pictures in full size on various social media platforms. It provides a simple and convenient way to bypass profile picture guards and access the full-size images.