QuickDrag WE v5.4.1
QuickDrag Webextensions supported version.
Extends the function of the drag-and-drop mouse gesture so that it can be used to load URLs, do a web search of selected text on a page, or save an image on a page.
There is no adware that exists in the original.　There is no security problem.
Chrome version is published as "QuickDrag for Chrome".