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Youtube Mp3 Download
http://greasyfork.icu/pt-BR/script_versions/new
// ==UserScript==
// @version 1.0
// @name Mp3Tube - Youtube Mp3 Download
// @name:en Mp3Tube - Youtube Mp3 Download
// @namespace https://www.youtube.com/user/ricbr7
// @description Youtube Mp3 Download
// @description:en Youtube Mp3 Download
// @compatible firefox
// @compatible chrome
// @compatible opera
// @compatible safari
// @icon http://convert2mp3.net/favicon.ico
// @match http*://www.youtube.com/*
// @homepageURL https://www.youtube.com/user/ricbr7
// @supportURL https://www.youtube.com/user/ricbr7/discussion
// @contributionURL https://www.youtube.com/user/ricbr7?sub_confirmation=1
// @require http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js
// @copyright 2017-08-23 // Ricbr7
// @license CC BY-SA
// @license https://creativecommons.org/licenses/by-sa/4.0
// ==/UserScript==
var linkPath ='http://www.youtubeinmp3.com/fetch/?video='+encodeURIComponent(document.URL);
$( '<a target="_blank" id="youtube2mp3" class="yt-uix-button yt-uix-button-default" href="'+linkPath+'" style="margin-left: 8px; height: 26px; padding: 0 22px; /* background-color: #e62117; */"><img src="http://fs5.directupload.net/images/170615/azryj69k.png" style="vertical-align:middle;color: white;"> <span class="yt-uix-button-content" style="line-height: 25px; /* font-variant: small-caps; */ font-size: 12px; /* color: #fefefe; */">MP3 Download</span></a>').insertAfter( "#watch7-subscription-container" );