A simple YouTube thumbnail downloader tool using HTML, CSS, and JavaScript. The code below is a complete, responsive implementation of the tool:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>YouTube Thumbnail Downloader</title>
<link rel="stylesheet" href="style.css">
</head>
<body>
<div class="container">
<h1>YouTube Thumbnail Downloader</h1>
<p>Paste the YouTube video URL below to download its thumbnail:</p>
<input type="text" id="urlInput" placeholder="Enter YouTube URL">
<button onclick="downloadThumbnail()">Download</button>
<div id="thumbnailContainer"></div>
</div>
<script src="script.js"></script>
</body>
</html>
The HTML code consists of a container div that holds the main content of the tool. It contains a heading, a paragraph explaining the purpose of the tool, an input field for the YouTube video URL, a button to trigger the thumbnail download, and a container to display the downloaded thumbnail.
CSS
.container {
max-width: 600px;
margin: 0 auto;
padding: 20px;
}
input[type="text"] {
width: 100%;
padding: 10px;
margin-bottom: 10px;
}
button {
padding: 10px 20px;
background-color: #007bff;
color: #fff;
border: none;
cursor: pointer;
}
#thumbnailContainer {
margin-top: 20px;
max-width: 100%;
display: flex;
justify-content: center;
align-items: center;
}
.thumbnail {
max-width: 100%;
}
Sure! Here's an example of a simple YouTube thumbnail downloader tool using HTML, CSS, and JavaScript. The code below is a complete, responsive implementation of the tool:
html
Copy code
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>YouTube Thumbnail Downloader</title>
<link rel="stylesheet" href="style.css">
</head>
<body>
<div class="container">
<h1>YouTube Thumbnail Downloader</h1>
<p>Paste the YouTube video URL below to download its thumbnail:</p>
<input type="text" id="urlInput" placeholder="Enter YouTube URL">
<button onclick="downloadThumbnail()">Download</button>
<div id="thumbnailContainer"></div>
</div>
<script src="script.js"></script>
</body>
</html>
The HTML code consists of a container div that holds the main content of the tool. It contains a heading, a paragraph explaining the purpose of the tool, an input field for the YouTube video URL, a button to trigger the thumbnail download, and a container to display the downloaded thumbnail.
css
Copy code
.container {
max-width: 600px;
margin: 0 auto;
padding: 20px;
}
input[type="text"] {
width: 100%;
padding: 10px;
margin-bottom: 10px;
}
button {
padding: 10px 20px;
background-color: #007bff;
color: #fff;
border: none;
cursor: pointer;
}
#thumbnailContainer {
margin-top: 20px;
max-width: 100%;
display: flex;
justify-content: center;
align-items: center;
}
.thumbnail {
max-width: 100%;
}
The CSS code includes some basic styling for the container, input field, button, and thumbnail container to make the tool visually appealing and responsive.
javascript
function downloadThumbnail() {
var url = document.getElementById("urlInput").value;
var thumbnailContainer = document.getElementById("thumbnailContainer");
thumbnailContainer.innerHTML = ""; // Clear previous thumbnail if any
if (validateUrl(url)) {
var videoId = extractVideoId(url);
var thumbnailUrl = "https://img.youtube.com/vi/" + videoId + "/maxresdefault.jpg";
var thumbnailImg = document.createElement("img");
thumbnailImg.classList.add("thumbnail");
thumbnailImg.src = thumbnailUrl;
thumbnailContainer.appendChild(thumbnailImg);
} else {
alert("Please enter a valid YouTube video URL.");
}
}
function validateUrl(url) {
// Regular expression to validate YouTube URL
var youtubeRegex = /^(https?:\/\/)?(www\.)?youtube\.com\/watch\?v=.+$/;
return youtubeRegex.test(url);
}
function extractVideoId(url) {
// Extract video ID from YouTube URL
var match = url.match(/^(https?:\/\/)?(www\.)?youtube\.com\/watch\?v=(.+)$/);
return match[3];
}
The JavaScript code includes three functions: downloadThumbnail() which is triggered when the download button is clicked and it validates the input URL, extracts the video ID, and displays the thumbnail image in the thumbnail container; validateUrl() which validates the YouTube video URL using a regular expression; and extractVideoId() which extracts the video ID from the YouTube URL.
Note: This code assumes that the YouTube video URL provided by the user is in the format of "https://www.youtube.com/watch?v=[VIDEO_ID]". You may need to modify the regular expression in
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