Always copy as plain text
// ==UserScript==
// @name Force Plain Text Copy
// @namespace https://greasyfork.org/users/1300060
// @description Always copy as plain text
// @version 1.0
// @match *://*/*
// @run-at document-start
// @grant none
// @license MIT
// ==/UserScript==
(function () {
function onCopy(e) {
var sel = window.getSelection();
if (!sel || sel.isCollapsed) return;
e.clipboardData.setData("text/plain", sel.toString());
e.preventDefault();
}
document.addEventListener("copy", onCopy, true);
})();