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Best Subtitle Downloader for youtube, ted, vimeo, dramafever and more. Auto subtitle supported.

Download subtitles or captions from Youtube, TED, Vimeo, Dramafever, Dailymotion, etc. Support mutiple languages. For Youtube, both closed captions (CC) and automatic captions (auto-generated subtitles) can be downloaded if they are available. Fast and easy to use.

// ==UserScript==
// @name        Best Subtitle Downloader for youtube, ted, vimeo, dramafever and more. Auto subtitle supported. 
// @namespace   https://distillvideo.com/
// @version     2.5
// @date        2018-08-25
// @description Download subtitles or captions from Youtube, TED, Vimeo, Dramafever, Dailymotion, etc. Support mutiple languages. For Youtube, both closed captions (CC) and automatic captions (auto-generated subtitles) can be downloaded if they are available. Fast and easy to use.
// @author      DistillVideo.com
// @copyright   2018, DistillVideo.com
// @homepage    https://distillvideo.com/page/extensions
// @compatible chrome
// @compatible firefox
// @compatible opera
// @compatible safari
// @license GNU GPL v3.0 or later. http://www.gnu.org/copyleft/gpl.html
// @match          *://*.youtube.com/*
// ==/UserScript==

(function() {
    'use strict';

    if (document.getElementById("polymer-app") || document.getElementById("masthead") || window.Polymer) {
    setInterval(function() {
        if (window.location.href.indexOf("watch?v=") < 0) {
            return false;
        }
        if (document.getElementById("meta-contents") && document.getElementById("distillvideosubs") === null) {
            Addytpolymer();
        }
    }, 100);
} else {
    setInterval(function() {
        if (window.location.href.indexOf("watch?v=") < 0) {
            return false;
        }
        if (document.getElementById("watch8-sentiment-actions") && document.getElementById("distillvideosubs") === null) {
            AddhtmlDV();
        }
    }, 100);
}

function AddhtmlDV() {
    if (document.getElementById("watch8-sentiment-actions")) {
        var wrap = document.getElementById('watch8-sentiment-actions');
        var button = "<div id='distillvideosubs' style='display: inline-block; margin-left: 10px; vertical-align: middle;'>";
        button += "<a href=\"https://distillvideo.com/subtitle?url=" + window.location.href + "\" title=\"Download this video\" target=\"_blank\"" +
            "style=\"display: inline-block; font-size: inherit; height: inherit; border: 1px solid rgb(0, 183, 90); border-radius: 3px; padding-left: 28px;background-color: #00B75A;cursor: pointer; vertical-align: middle; position: relative; line-height: 22px; text-decoration: none; z-index: 1; color: rgb(255, 255, 255);\">";
        button += "<i style=\"position: absolute; display: inline-block; left: 6px; top: 3px; background-image: url(data:image/svg+xml;base64,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); background-size: 12px; background-repeat: no-repeat; background-position: center center; width: 16px; height: 16px;\"></i>";
        button += "<span style=\"padding-right: 12px;\">Download Subtitles</span></a></div>";
        var style = "<style>#distillvideosubs button::-moz-focus-inner{padding:0;margin:0}#distillvideosubs a{background-color:#15388c}#distillvideosubs a:hover{background-color:#E91E63}#distillvideosubs a:active{background-color:rgb(0, 151, 74)}</style>";
        var tmp = wrap.innerHTML;
        wrap.innerHTML = tmp + button + style;
    }
}

function Addytpolymer() {
    var buttonDiv = document.createElement("span");
    buttonDiv.style.width = "100%";
    buttonDiv.id = "distillvideosubs";
    var addButton = document.createElement("a");
    addButton.appendChild(document.createTextNode("Download Subtitles"));
    addButton.style.width = "100%";
    addButton.style.height = "inherit";
    addButton.style.backgroundColor = "#00B75A";
    addButton.style.color = "white";
    addButton.style.textAlign = "center";
    addButton.style.padding = "5px 10px";
    addButton.style.margin = "0px 10px";
    addButton.style.fontSize = "14px";
    addButton.style.border = "0";
    addButton.style.cursor = "pointer";
    addButton.style.borderRadius = "2px";
    addButton.style.fontFamily = "Roboto, Arial, sans-serif";
    addButton.style.textDecoration = "none";
    addButton.href = "https://distillvideo.com/subtitle?url=" + window.location.href;
    addButton.target = "_blank";
    buttonDiv.appendChild(addButton);
    if (document.getElementById("meta-contents")){
        if(document.getElementById('meta-contents').querySelector('#top-row ytd-video-owner-renderer.ytd-video-secondary-info-renderer #sponsor-button ytd-button-renderer paper-button')){
         var targetElement = document.querySelectorAll("[id='count']");
         for (var i = 0; i < targetElement.length; i++) {
         if (targetElement[i].className.indexOf("ytd-video-primary-info-renderer") > -1) {
            targetElement[i].appendChild(buttonDiv);
           }
          }
        }
        else{
        var wrap = document.getElementById('meta-contents').querySelector('#top-row ytd-video-owner-renderer.ytd-video-secondary-info-renderer #sponsor-button');
         wrap.appendChild(buttonDiv);
        }
    }
}

})();