YouTube Speed Changer

Use a url parameter to change the video speed

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         YouTube Speed Changer
// @namespace    https://fxzfun.com/
// @version      0.2
// @description  Use a url parameter to change the video speed
// @author       FXZFun
// @match        https://www.youtube.com/live/*
// @match        https://www.youtube.com/watch*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=youtube.com
// @grant        none
// @license      GNU GPL v3
// ==/UserScript==

(function() {
    'use strict';

    var params = new URLSearchParams(location.search);
    var speed = params.get("s", null);
    if (speed) {
        document.querySelector("video").playbackRate = speed;
    }
})();