Greasy Fork

// ==UserScript==// @name         UnURLencode// @namespace    lainscripts_unurlencode// @version      0.2// @description  Decode percent-encoded text on visited web pages// @author       lainverse// @match        *://*/*// @grant        none// ==/UserScript==(function() {'use strict';let pctdetect = /%[0-9A-F][0-9A-F]/,pctmatch = /(%[0-9A-F][0-9A-F])+/g;function crawler(node) {switch (node.nodeType) {case Node.ELEMENT_NODE:for (let child of node.childNodes) {if (pctdetect.test(child.textContent)) {crawler(child);}}break;case Node.TEXT_NODE:node.nodeValue = node.nodeValue.replace(pctmatch, function(match){try {return decodeURIComponent(match);} catch(ignore) {return match;}});}}crawler(document.documentElement);let o = new MutationObserver(function(mutations) {let mutation, node;for (mutation of mutations) {for (node of mutation.addedNodes) {crawler(node);}}});o.observe(document.documentElement, {childList: true,characterData: true,subtree: true});})();