Redeem Steam Key

Redirect to Steam Register Key page when copying key

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Redeem Steam Key
// @namespace    https://savagecore.eu
// @version      0.1.0
// @description  Redirect to Steam Register Key page when copying key
// @author       SavageCore
// @include      *
// @grant        GM_openInTab
// ==/UserScript==
//
/* global document window GM_openInTab */

(function () {
	'use strict';

	// Automatically accept Steam Subscriber Agreement
	if (window.location.href.match(/^https?:\/\/store.steampowered.com\/account\/registerkey/)) {
		const ssaElem = document.getElementById('accept_ssa');
		if (ssaElem) {
			ssaElem.checked = 'checked';
		}
	} else {
		const activateProduct = function (e) {
			const productKey = window.getSelection().toString().trim() || e.target.value;
			let m;
			if ((m = /^[\d\w]{2,5}(-[\d\w]{4,5}){2,4}$/.exec(productKey)) !== null) {
				// GM_openInTab so that the 'popup' is not blocked by browser
				GM_openInTab('https://store.steampowered.com/account/registerkey?key=' + m[0]); // eslint-disable-line new-cap
			}
		};

		window.addEventListener('copy', activateProduct, false);
	}
})();