Thumbnail Image Downloader is a free Chrome add-on developed by 犬々. It falls under the category of Browsers and is specifically categorized as an Add-ons & Tools subcategory.

The add-on adds a download menu to the right-click menu of images. This allows users to easily download images by right-clicking on them and selecting the download option. Additionally, on some websites, users can also download images by clicking on the extension icon.

Thumbnail Image Downloader is compatible with various websites, including Twitter, Twitch, YouTube, and more. However, it is important to note that there may be certain URLs or areas of websites that are not supported. Users can find more details about the compatibility on the options page after installation.

With Thumbnail Image Downloader, users can conveniently download images from supported websites with just a few clicks. It enhances the browsing experience by providing a quick and easy way to save images directly from the browser.