Copy Video Frame od igorlogius

This addon adds a context menu entry that allows to capture a still frame image from a html video element.
Hold shift and right click on a html video element to open the context menu. If the element you clicked on is a html video element the context menu will contain the "Copy Video Frame" entry. Clicking on the entry, will take a snapshot of the current video frame and save it to a popup window or to the clipboard if the addon is given the permission todo so.