right click - Fast URL Checker

Once URL check has started and there are first non empty rows you can right click and a popup menu with couple of useful functions will pop up.

Copy All URLs it will copy all URLs to clipboard,and it will consider only visible rows so when filter is active only filtered rows are copied)
Copy Selected URLs copies selected URLs to clipboard. You can use ctrl-click or shift-click to select more than one row
Run All in a new instance very useful function which will start a new instance of Fast URL checker and run all visible rows in it.
Run Selected in a new instance starts a new instance of URL checker and start a check on selected URLs
Copy Cell content copy cell content to clipboard.