Hover Zoom - Enlarge thumbnails on mouse over.
Video Downloader for Facebook - Video Downloader for Facebook is the best-in-class FB video downloader for browsing and downloading the favorite video with a single tap.
Image Max URL - Help find larger or original versions of images, including a customizable image popup feature
Repost for Instagram Pro - Repost for Instagram Pro app allows you to repost images as well as videos to Instagram with the same hashtags and captions.
Hover Zoom+ - Google Chrome extension for zooming images on mouse hover - extesy/hoverzoom
SmallSeoTools Facebook Video Downloader - Facebook Video Downloader from SmallSeoTools lets you download any FB video without difficulty.