🖤 网站图标下载工具
💡 工具特性
方法1：Google Favicon API - 使用Google的图标服务（最可靠）
方法2：直接访问常见路径 - 尝试 /favicon.ico, /favicon.png 等路径
方法3：解析HTML元数据 - 从网页代码中提取图标链接
方法4：第三方图标服务 - 使用备用的图标API服务
复制代码保存HTML 直接可用
代码如下
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>网站图标下载工具</title>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
min-height: 100vh;
padding: 20px;
}
.container {
max-width: 800px;
margin: 0 auto;
background: white;
border-radius: 15px;
box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
padding: 40px;
margin-top: 130px;
}
h1 {
text-align: center;
color: #333;
margin-bottom: 10px;
}
.subtitle {
text-align: center;
color: #666;
margin-bottom: 30px;
}
.input-group {
display: flex;
gap: 10px;
margin-bottom: 20px;
}
input[type="text"] {
flex: 1;
padding: 15px 20px;
border: 2px solid #e1e5e9;
border-radius: 8px;
font-size: 16px;
}
input[type="text"]:focus {
outline: none;
border-color: #667eea;
}
button {
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
color: white;
border: none;
padding: 15px 30px;
border-radius: 8px;
font-size: 16px;
cursor: pointer;
}
button:hover {
opacity: 0.9;
}
button:disabled {
background: #ccc;
cursor: not-allowed;
}
.result {
margin-top: 30px;
padding: 20px;
border-radius: 8px;
display: none;
}
.success {
background: #d4edda;
border: 1px solid #c3e6cb;
color: #155724;
}
.error {
background: #f8d7da;
border: 1px solid #f5c6cb;
color: #721c24;
}
.icon-preview {
width: 64px;
height: 64px;
margin: 15px auto;
display: block;
border-radius: 8px;
}
.download-link {
display: inline-block;
background: #28a745;
color: white;
padding: 10px 20px;
border-radius: 5px;
text-decoration: none;
margin-top: 10px;
}
.loading {
display: none;
text-align: center;
margin: 20px 0;
}
.spinner {
border: 4px solid #f3f3f3;
border-top: 4px solid #667eea;
border-radius: 50%;
width: 40px;
height: 40px;
animation: spin 1s linear infinite;
margin: 0 auto 10px;
}
@keyframes spin {
0% { transform: rotate(0deg); }
100% { transform: rotate(360deg); }
}
.method-info {
margin-top: 20px;
padding: 15px;
background: #f8f9fa;
border-radius: 8px;
font-size: 14px;
}
</style>
</head>
<body>
<div class="container">
<h1>🌐 网站图标下载工具</h1>
<p class="subtitle">支持多种方法获取网站图标</p>
<div class="input-group">
<input type="text" id="websiteUrl" placeholder="请输入网站地址（例如：https://www.example.com）" autocomplete="off">
<button id="downloadBtn" onclick="downloadFavicon()">获取图标</button>
</div>
<div class="loading" id="loading">
<div class="spinner"></div>
<p>正在查找图标...</p>
</div>
<div class="result" id="result"></div>
<div class="method-info">
<h3>💡 工具特性</h3>
<ul>
<li><strong>方法1：Google Favicon API</strong> - 使用Google的图标服务（最可靠）</li>
<li><strong>方法2：直接访问常见路径</strong> - 尝试 /favicon.ico, /favicon.png 等路径</li>
<li><strong>方法3：解析HTML元数据</strong> - 从网页代码中提取图标链接</li>
<li><strong>方法4：第三方图标服务</strong> - 使用备用的图标API服务</li>
</ul>
</div>
</div>
<script>
async function downloadFavicon() {
const urlInput = document.getElementById('websiteUrl');
const downloadBtn = document.getElementById('downloadBtn');
const loading = document.getElementById('loading');
const result = document.getElementById('result');
const websiteUrl = urlInput.value.trim();
if (!websiteUrl) {
showResult('error', '请输入网站地址');
return;
}
// 添加协议头
let processedUrl = websiteUrl;
if (!processedUrl.startsWith('http://') && !processedUrl.startsWith('https://')) {
processedUrl = 'https://' + processedUrl;
}
// 验证URL
try {
new URL(processedUrl);
} catch (e) {
showResult('error', '请输入有效的网站地址');
return;
}
// 显示加载状态
downloadBtn.disabled = true;
loading.style.display = 'block';
result.style.display = 'none';
try {
const faviconData = await getFavicon(processedUrl);
if (faviconData.success) {
const domain = new URL(processedUrl).hostname;
const timestamp = new Date().getTime();
const filename = `${domain}_favicon_${timestamp}.${faviconData.type || 'png'}`;
result.innerHTML = `
<div class="success">
<h3>✅ 图标获取成功！</h3>
<p><strong>使用方法：</strong>${faviconData.method}</p>
<img src="${faviconData.url}" alt="网站图标" class="icon-preview" onerror="this.style.display='none'">
<p>网站: ${domain}</p>
<a href="${faviconData.url}" download="${filename}" class="download-link">📥 下载图标</a>
</div>
`;
} else {
showResult('error', `❌ 未找到该网站的图标<br><br>尝试的方法：<br>${faviconData.methods.join('<br>')}`);
}
} catch (error) {
console.error('下载失败:', error);
showResult('error', '❌ 下载失败，请检查网络连接或网站地址');
} finally {
downloadBtn.disabled = false;
loading.style.display = 'none';
result.style.display = 'block';
}
}
async function getFavicon(websiteUrl) {
const domain = new URL(websiteUrl).hostname;
const methods = [];
// 方法1: Google Favicon API
methods.push('Google Favicon API');
const googleApiUrl = `https://www.google.com/s2/favicons?domain=${domain}&sz=256`;
if (await testImageLoad(googleApiUrl)) {
return {
success: true,
url: googleApiUrl,
method: 'Google Favicon API',
type: 'png',
methods: methods
};
}
// 方法2: 直接访问常见路径
const commonPaths = [
'/favicon.ico',
'/favicon.png',
'/favicon.jpg',
'/favicon.jpeg',
'/favicon.gif',
'/favicon.svg',
'/apple-touch-icon.png',
'/apple-touch-icon-precomposed.png'
];
for (const path of commonPaths) {
methods.push(`直接路径: ${path}`);
const testUrl = websiteUrl.replace(/\/$/, '') + path;
if (await testImageLoad(testUrl)) {
return {
success: true,
url: testUrl,
method: `直接路径: ${path}`,
type: path.split('.').pop(),
methods: methods
};
}
}
// 方法3: 解析HTML元数据
methods.push('解析HTML元数据');
try {
const response = await fetch(websiteUrl, {
headers: {
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36'
}
});
if (response.ok) {
const html = await response.text();
const parser = new DOMParser();
const doc = parser.parseFromString(html, 'text/html');
const iconSelectors = [
'link[rel="icon"]',
'link[rel="shortcut icon"]',
'link[rel="apple-touch-icon"]',
'link[rel="apple-touch-icon-precomposed"]',
'meta[itemprop="image"]'
];
for (const selector of iconSelectors) {
const element = doc.querySelector(selector);
if (element) {
const href = element.getAttribute('href') || element.getAttribute('content');
if (href) {
const iconUrl = new URL(href, websiteUrl).href;
if (await testImageLoad(iconUrl)) {
return {
success: true,
url: iconUrl,
method: `HTML解析: ${selector}`,
type: href.split('.').pop(),
methods: methods
};
}
}
}
}
}
} catch (e) {
console.log('HTML解析失败:', e);
}
// 方法4: 第三方图标服务
methods.push('第三方图标服务');
const thirdPartyUrls = [
`https://icon.horse/icon/${domain}`,
`https://t2.gstatic.com/faviconV2?client=SOCIAL&type=FAVICON&fallback_opts=TYPE,SIZE,URL&url=http://${domain}&size=256`,
`https://www.google.com/s2/favicons?domain=${domain}`
];
for (const apiUrl of thirdPartyUrls) {
if (await testImageLoad(apiUrl)) {
return {
success: true,
url: apiUrl,
method: '第三方图标服务',
type: 'png',
methods: methods
};
}
}
return {
success: false,
methods: methods
};
}
function testImageLoad(url) {
return new Promise((resolve) => {
const img = new Image();
img.onload = () => resolve(true);
img.onerror = () => resolve(false);
img.src = url;
setTimeout(() => resolve(false), 5000);
});
}
function showResult(type, message) {
const result = document.getElementById('result');
result.className = `result ${type}`;
result.innerHTML = message;
}
// 回车键支持
document.getElementById('websiteUrl').addEventListener('keypress', function(e) {
if (e.key === 'Enter') {
downloadFavicon();
}
});
</script>
</body>
</html>
演示地址
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