ImageSleuth Pro by KG88

Support for multiple reverse image search engines (Google, Bing, Yandex, TinEye, Baidu)
Upload images directly from the popup or use images from the current web page
Context menu integration for quick reverse image search
Search all engines simultaneously
Display image information (size and type)
Download images directly from the popup
Search history with the ability to reuse previous searches
Customizable default search engine
Option to open search results in background tabs
Automatic copying of image URLs to clipboard (optional)