From Add-on About page:
"Super Drag extends the feature of drag & drop. For example, you can drag a link to open it in a new background, foreground and current tab. You can also drag text to search, by using the default search engine, or select what you want. And for image, you can drag it to view in a background tab, foreground tab, or save it to the default download location.
Super Drag supports links, text and images.
- links: open it in background tab, foreground tab or current tab.
- text: search it in background tab, foreground tab or current tab.
- images: open it in background tab, foreground tab or save it."
Try out it:
Read more from the review article by CNET: