Imagus - The extension is intended to complement image features that (I think) is missing from Opera by...

Fake Text Message-Prank text app - Fake Text Message-Prank text app allows users to take screenshots of text messages from their favorite celebrities so they can share them on various social media platforms in order to prank other users.

Image Max URL - Help find larger or original versions of images, including a customizable image popup feature

WhatsFake - Make fake conversations that look just like WhatsApp

Thumbnail Zoom Plus - The official site of the Thumbnail Zoom Plus add-on for Firefox

iOS.foxsash - iOS.foxsash is a text generator for iOS that generates unique, real-looking messages that users can send on your behalf.