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convert2mp3 Button (EN)

This adds a button below a YouTube video to download it as MP3.

  1. // ==UserScript==
  2. // @name         convert2mp3 Button (EN)
  3. // @namespace    https://brennced.github.io/
  4. // @version      1.02
  5. // @description  This adds a button below a YouTube video to download it as MP3.
  6. // @author       Jonas K (https://brennced.github.io/)
  7. // @match        https://www.youtube.com/watch?v=*
  8. // @grant        none
  9. // @icon         data:image/png;base64,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
  10. // ==/UserScript==
  11.  
  12. function initC2MP3_EN() {
  13.     var tooltipText = "Download with convert2mp3",
  14.         html = '<span id="c2mp343908">' + "\n" +
  15.                '  <button id="c2mp343908-button7489235179"' + "\n" +
  16.                '          class="yt-uix-button yt-uix-button-size-default yt-uix-button-opacity yt-uix-tooltip"' + "\n" +
  17.                '          data-tooltip-text="' + tooltipText + '"' + "\n" +
  18.                '          type="button"' + "\n" +
  19.                '          role="button"' + "\n" +
  20.                '          title="' + tooltipText + '"' + "\n" +
  21.                '          aria-pressed="false"' + "\n" +
  22.                '          aria-expanded="false">' + "\n" +
  23.                '    <span class="yt-uix-button-icon-wrapper">' + "\n" +
  24.                '      <img src="//s.ytimg.com/yt/img/pixel-vfl3z5WfW.gif" class="yt-uix-button-icon" style="width:20px;height:20px;background-size:20px 20px;background-repeat:no-repeat;background-image: url(data:image/png;base64,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);">' + "\n" +
  25.                '    </span>' + "\n" +
  26.                '    <span>' + "\n" +
  27.                '      <span class="yt-uix-button-content">' + "\n" +
  28.                '        convert2mp3' + "\n" +
  29.                '      </span>' + "\n" +
  30.                '    </span>' + "\n" +
  31.                '  </button>' + "\n" +
  32.                '</span>',
  33.         appendToId = "watch8-secondary-actions";
  34.     function prependChild(parent, child) {
  35.         parent.insertBefore(child, parent.firstChild);
  36.     }
  37.     var x = document.createElement("span");
  38.     x.innerHTML = html;
  39.     x.addEventListener("click", function() {
  40.         open("http://convert2mp3.net/share.php?url=" + encodeURIComponent(location.href));
  41.     });
  42.     prependChild(document.getElementById(appendToId), x);
  43. }
  44.  
  45. (function() {
  46.     'use strict';
  47.     initC2MP3_EN();
  48.     var oldloc = location.href;
  49.     setInterval(function() {
  50.         if (oldloc != location.href) {
  51.             setTimeout(initC2MP3_EN, 2000);
  52.         }
  53.         oldloc = location.href;
  54.     }, 1);
  55. })();