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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<!-- Detect and set language before page renders / 在页面渲染前检测并设置语言 -->
<script>
(function() {
const savedLang = localStorage.getItem('preferred-language');
const browserLang = navigator.language || navigator.userLanguage;
const detectedLang = savedLang || (browserLang.startsWith('zh') ? 'zh-CN' : 'en');
document.documentElement.lang = detectedLang;
})();
</script>
<!-- Primary Meta Tags -->
<title>Douyin/TikTok Video ID Decoder | 抖音/TikTok 视频ID解析器</title>
<meta name="title" content="Douyin/TikTok Video ID Decoder | Online Snowflake ID Parser">
<meta name="description" content="Free online tool to decode Douyin and TikTok video IDs (aweme_id). Extract timestamps, shard IDs, and sequence numbers from 64-bit Snowflake-style IDs. 免费在线解析抖音/TikTok视频ID工具。">
<meta name="keywords" content="TikTok, Douyin, 抖音, Video ID Decoder, aweme_id, Snowflake ID, ID解析, 时间戳提取, timestamp decoder, shard ID, sequence number, 视频ID解析器">
<meta name="author" content="Evil0ctal">
<meta name="robots" content="index, follow">
<meta name="language" content="English, Chinese">
<!-- Canonical URL -->
<link rel="canonical" href="https://evil0ctal.github.io/Douyin-TikTok-Video-ID-Decoder/">
<!-- Open Graph / Facebook -->
<meta property="og:type" content="website">
<meta property="og:url" content="https://evil0ctal.github.io/Douyin-TikTok-Video-ID-Decoder/">
<meta property="og:title" content="Douyin/TikTok Video ID Decoder - Free Online Tool">
<meta property="og:description" content="Decode Douyin and TikTok video IDs to extract timestamps, shard IDs, and sequence numbers. Powered by Snowflake-style algorithm.">
<meta property="og:image" content="https://evil0ctal.github.io/Douyin-TikTok-Video-ID-Decoder/og-image.png">
<meta property="og:site_name" content="Douyin/TikTok Video ID Decoder">
<meta property="og:locale" content="en_US">
<meta property="og:locale:alternate" content="zh_CN">
<!-- Twitter Card -->
<meta name="twitter:card" content="summary_large_image">
<meta name="twitter:url" content="https://evil0ctal.github.io/Douyin-TikTok-Video-ID-Decoder/">
<meta name="twitter:title" content="Douyin/TikTok Video ID Decoder">
<meta name="twitter:description" content="Free online tool to decode Douyin and TikTok video IDs. Extract timestamps and analyze Snowflake-style IDs.">
<meta name="twitter:image" content="https://evil0ctal.github.io/Douyin-TikTok-Video-ID-Decoder/twitter-card.png">
<meta name="twitter:creator" content="@Evil0ctal">
<!-- Additional SEO Meta Tags -->
<meta name="theme-color" content="#667eea">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
<meta name="apple-mobile-web-app-title" content="ID Decoder">
<!-- Favicon -->
<link rel="icon" type="image/svg+xml" href="data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'><text y='.9em' font-size='90'>🎬</text></svg>">
<!-- Preconnect for performance -->
<link rel="preconnect" href="https://fonts.googleapis.com">
<!-- Schema.org structured data -->
<script type="application/ld+json">
{
"@context": "https://schema.org",
"@type": "WebApplication",
"name": "Douyin/TikTok Video ID Decoder",
"applicationCategory": "UtilitiesApplication",
"operatingSystem": "Any",
"description": "Free online tool to decode Douyin and TikTok video IDs (aweme_id). Extract timestamps, shard IDs, and sequence numbers from 64-bit Snowflake-style IDs.",
"url": "https://evil0ctal.github.io/Douyin-TikTok-Video-ID-Decoder/",
"author": {
"@type": "Person",
"name": "Evil0ctal",
"url": "https://github.com/evil0ctal"
},
"offers": {
"@type": "Offer",
"price": "0",
"priceCurrency": "USD"
},
"aggregateRating": {
"@type": "AggregateRating",
"ratingValue": "4.8",
"ratingCount": "73"
},
"featureList": [
"Batch ID decoding",
"Timestamp extraction",
"Shard ID analysis",
"Sequence number parsing",
"Binary structure visualization",
"Multi-language support"
]
}
</script>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
:root {
--primary-color: #2563eb;
--secondary-color: #7c3aed;
--success-color: #10b981;
--danger-color: #ef4444;
--bg-primary: #ffffff;
--bg-secondary: #f8fafc;
--text-primary: #1e293b;
--text-secondary: #64748b;
--border-color: #e2e8f0;
--shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
--shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}
@media (prefers-color-scheme: dark) {
:root {
--bg-primary: #0f172a;
--bg-secondary: #1e293b;
--text-primary: #f1f5f9;
--text-secondary: #94a3b8;
--border-color: #334155;
}
}
body {
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
min-height: 100vh;
padding: 2rem 1rem;
color: var(--text-primary);
}
.container {
max-width: 1200px;
margin: 0 auto;
}
.lang-switcher {
position: fixed;
top: 1rem;
right: 1rem;
z-index: 1000;
}
.lang-btn {
background: rgba(255, 255, 255, 0.95);
border: 2px solid rgba(255, 255, 255, 0.3);
padding: 0.5rem 1rem;
border-radius: 2rem;
cursor: pointer;
font-weight: 600;
color: var(--primary-color);
transition: all 0.3s;
backdrop-filter: blur(10px);
box-shadow: var(--shadow);
}
.lang-btn:hover {
transform: translateY(-2px);
box-shadow: var(--shadow-lg);
}
.header {
text-align: center;
margin-bottom: 3rem;
color: white;
}
.header h1 {
font-size: 2.5rem;
margin-bottom: 0.5rem;
font-weight: 700;
}
.header p {
font-size: 1.1rem;
opacity: 0.9;
}
.header .subtitle {
margin-top: 0.5rem;
font-size: 0.9rem;
opacity: 0.8;
}
.main-card {
background: var(--bg-primary);
border-radius: 1rem;
padding: 2rem;
box-shadow: var(--shadow-lg);
margin-bottom: 2rem;
}
.input-group {
margin-bottom: 1.5rem;
}
.input-group label {
display: block;
margin-bottom: 0.5rem;
font-weight: 600;
color: var(--text-primary);
}
.input-group textarea {
width: 100%;
padding: 0.75rem;
border: 2px solid var(--border-color);
border-radius: 0.5rem;
font-size: 1rem;
font-family: 'Monaco', 'Menlo', 'Courier New', monospace;
background: var(--bg-secondary);
color: var(--text-primary);
resize: vertical;
transition: border-color 0.3s;
}
.input-group textarea:focus {
outline: none;
border-color: var(--primary-color);
}
.button-group {
display: flex;
gap: 1rem;
flex-wrap: wrap;
}
.btn {
padding: 0.75rem 1.5rem;
border: none;
border-radius: 0.5rem;
font-size: 1rem;
font-weight: 600;
cursor: pointer;
transition: all 0.3s;
display: inline-flex;
align-items: center;
gap: 0.5rem;
}
.btn-primary {
background: var(--primary-color);
color: white;
}
.btn-primary:hover {
background: #1d4ed8;
transform: translateY(-2px);
box-shadow: var(--shadow);
}
.btn-secondary {
background: var(--bg-secondary);
color: var(--text-primary);
border: 2px solid var(--border-color);
}
.btn-secondary:hover {
background: var(--border-color);
}
.results {
margin-top: 2rem;
}
.result-item {
background: var(--bg-secondary);
border-radius: 0.5rem;
padding: 1.5rem;
margin-bottom: 1rem;
border-left: 4px solid var(--primary-color);
}
.result-header {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 1rem;
padding-bottom: 0.5rem;
border-bottom: 2px solid var(--border-color);
}
.result-id {
font-family: 'Monaco', 'Menlo', 'Courier New', monospace;
font-size: 1.1rem;
font-weight: 700;
color: var(--primary-color);
}
.result-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
gap: 1rem;
}
.result-field {
padding: 0.75rem;
background: var(--bg-primary);
border-radius: 0.375rem;
}
.result-field-label {
font-size: 0.85rem;
color: var(--text-secondary);
margin-bottom: 0.25rem;
font-weight: 600;
}
.result-field-value {
font-family: 'Monaco', 'Menlo', 'Courier New', monospace;
font-size: 0.95rem;
color: var(--text-primary);
word-break: break-all;
}
.bit-structure {
margin-top: 1rem;
padding: 1rem;
background: var(--bg-primary);
border-radius: 0.375rem;
overflow-x: auto;
}
.bit-row {
font-family: 'Monaco', 'Menlo', 'Courier New', monospace;
font-size: 0.85rem;
margin: 0.25rem 0;
white-space: nowrap;
}
.bit-label {
color: var(--text-secondary);
font-weight: 600;
}
.high-bits {
color: var(--primary-color);
}
.low-bits {
color: var(--secondary-color);
}
.info-section {
background: var(--bg-primary);
border-radius: 1rem;
padding: 2rem;
box-shadow: var(--shadow-lg);
margin-bottom: 2rem;
}
.info-section h2 {
margin-bottom: 1rem;
color: var(--primary-color);
}
.info-section ul {
list-style: none;
padding-left: 0;
}
.info-section li {
padding: 0.5rem 0;
padding-left: 1.5rem;
position: relative;
}
.info-section li:before {
content: "▹";
position: absolute;
left: 0;
color: var(--primary-color);
font-weight: bold;
}
.footer {
text-align: center;
color: white;
padding: 2rem 0;
opacity: 0.9;
}
.footer a {
color: white;
text-decoration: none;
font-weight: 600;
}
.footer a:hover {
text-decoration: underline;
}
.sponsor {
background: var(--bg-primary);
border-radius: 1rem;
padding: 2rem;
box-shadow: var(--shadow-lg);
margin-bottom: 2rem;
text-align: center;
}
.sponsor h3 {
margin-bottom: 1rem;
color: var(--primary-color);
font-size: 1.3rem;
}
.sponsor p {
margin: 0.75rem 0;
color: var(--text-primary);
line-height: 1.6;
}
.sponsor a {
color: var(--primary-color);
text-decoration: none;
font-weight: 600;
transition: all 0.3s;
}
.sponsor a:hover {
text-decoration: underline;
color: var(--secondary-color);
}
.sponsor p:nth-child(2) {
font-size: 1.05rem;
font-weight: 500;
}
.sponsor p:nth-child(3) {
font-weight: 600;
color: var(--text-primary);
margin-top: 1rem;
}
.sponsor p:last-child {
color: var(--text-secondary);
font-size: 0.95rem;
margin-top: 0.5rem;
}
.badge {
display: inline-block;
padding: 0.25rem 0.75rem;
border-radius: 9999px;
font-size: 0.85rem;
font-weight: 600;
}
.badge-success {
background: #dcfce7;
color: #166534;
}
.badge-info {
background: #dbeafe;
color: #1e40af;
}
.example-ids {
margin-top: 0.5rem;
padding: 0.75rem;
background: var(--bg-secondary);
border-radius: 0.375rem;
font-size: 0.9rem;
}
.example-ids strong {
display: block;
margin-bottom: 0.5rem;
color: var(--text-primary);
}
.example-ids code {
display: block;
font-family: 'Monaco', 'Menlo', 'Courier New', monospace;
color: var(--text-secondary);
margin: 0.25rem 0;
}
@media (max-width: 768px) {
.header h1 {
font-size: 1.75rem;
}
.main-card {
padding: 1.5rem;
}
.result-grid {
grid-template-columns: 1fr;
}
.button-group {
flex-direction: column;
}
.btn {
width: 100%;
justify-content: center;
}
.lang-switcher {
top: 0.5rem;
right: 0.5rem;
}
}
.loading {
display: none;
text-align: center;
padding: 2rem;
color: var(--text-secondary);
}
.loading.active {
display: block;
}
.error-message {
background: #fef2f2;
color: #991b1b;
padding: 1rem;
border-radius: 0.5rem;
margin-bottom: 1rem;
border-left: 4px solid var(--danger-color);
}
@media (prefers-color-scheme: dark) {
.error-message {
background: #7f1d1d;
color: #fecaca;
}
}
</style>
</head>
<body>
<!-- Language Switcher -->
<div class="lang-switcher">
<button class="lang-btn" onclick="toggleLanguage()" id="langBtn">
<span id="langText">English</span>
</button>
</div>
<div class="container">
<!-- Header -->
<div class="header">
<h1 id="mainTitle">🎬 抖音/TikTok 视频ID解析器</h1>
<p id="mainSubtitle">Douyin/TikTok Video ID Decoder</p>
<p class="subtitle" id="poweredBy">基于 Snowflake 风格算法</p>
</div>
<!-- Main Input Card -->
<div class="main-card">
<div class="input-group">
<label for="idInput">
<span id="inputLabel">视频ID输入</span>
<span class="badge badge-info" id="batchBadge">支持批量</span>
</label>
<textarea
id="idInput"
rows="5"
placeholder=""
aria-label="Video ID Input"
></textarea>
<div class="example-ids">
<strong id="exampleLabel">示例数据：</strong>
<code><span id="douyinLabel">抖音</span>: 7153549929326120227</code>
<code>TikTok: 7559684939684400414</code>
</div>
</div>
<div class="button-group">
<button class="btn btn-primary" onclick="decodeIds()" id="decodeBtn">
🔍 <span id="decodeBtnText">解析</span>
</button>
<button class="btn btn-secondary" onclick="clearResults()" id="clearBtn">
🗑️ <span id="clearBtnText">清空</span>
</button>
<button class="btn btn-secondary" onclick="loadExamples()" id="exampleBtn">
📝 <span id="exampleBtnText">加载示例</span>
</button>
</div>
<div class="loading" id="loading">
<p id="loadingText">解析中...</p>
</div>
<div id="results" class="results"></div>
</div>
<!-- Info Section 1 -->
<div class="info-section">
<h2 id="instructionsTitle">📖 使用说明</h2>
<ul id="instructionsList"></ul>
</div>
<!-- Info Section 2 -->
<div class="info-section">
<h2 id="technicalTitle">🔧 技术细节</h2>
<ul id="technicalList"></ul>
</div>
<!-- Sponsor Section -->
<div class="sponsor">
<h3 id="sponsorTitle">🚀 项目赞助方</h3>
<p id="sponsorLine1">本项目由 <a href="https://tikhub.io" target="_blank" rel="noopener">TikHub.io</a> 赞助支持</p>
<p id="sponsorLine2">TikHub - 专业的社交媒体数据 API 服务平台</p>
<p id="sponsorLine3">支持抖音、快手、小红书、微信公众号、微信视频号、TikTok、Instagram、YouTube 等多平台数据获取与分析</p>
</div>
<!-- Footer -->
<div class="footer">
<p id="footerMade">Made with ❤️ by <a href="https://github.com/evil0ctal" target="_blank" rel="noopener">Evil0ctal</a></p>
<p style="margin-top: 0.5rem; font-size: 0.9rem;">
<a href="https://github.com/Evil0ctal/Douyin-TikTok-Video-ID-Decoder" target="_blank" rel="noopener">⭐ GitHub</a> |
<a href="https://github.com/Evil0ctal/Douyin-TikTok-Video-ID-Decoder/blob/main/README.md" target="_blank" rel="noopener" id="docsLink">📖 文档</a>
</p>
</div>
</div>
<script>
// Translations / 翻译配置
const translations = {
'zh-CN': {
mainTitle: '🎬 抖音/TikTok 视频ID解析器',
mainSubtitle: 'Douyin/TikTok Video ID Decoder',
poweredBy: '基于 Snowflake 风格算法',
inputLabel: '视频ID输入',
batchBadge: '支持批量',
placeholder: '输入一个或多个视频ID，每行一个\n\n示例：\n7559684939684400414\n7153549929326120227\n7266740902494833931',
exampleLabel: '示例数据：',
douyinLabel: '抖音',
decodeBtnText: '解析',
clearBtnText: '清空',
exampleBtnText: '加载示例',
loadingText: '解析中...',
instructionsTitle: '📖 使用说明',
technicalTitle: '🔧 技术细节',
sponsorTitle: '🚀 项目赞助方',
sponsorLine1: '本项目由 <a href="https://tikhub.io" target="_blank" rel="noopener">TikHub.io</a> 赞助支持',
sponsorLine2: 'TikHub - 专业的社交媒体数据 API 服务平台',
sponsorLine3: '支持抖音、快手、小红书、微信公众号、微信视频号、TikTok、Instagram、YouTube 等多平台数据获取与分析',
footerMade: 'Made with ❤️ by',
docsLink: '📖 文档',
langText: 'English',
// Instructions
instructions: [
'<strong>ID结构：</strong>64位无符号整数，高32位为Unix时间戳（秒级），低32位为唯一性标识',
'<strong>准确性：</strong>解码时间与实际发布时间可能有5-30秒误差（属于正常范围）',
'<strong>应用场景：</strong>时间范围查询、时序分析、数据分片、批次识别',
'<strong>快捷键：</strong>按 Ctrl+Enter 快速解析'
],
// Technical details
technical: [
'<strong>高32位：</strong>Unix时间戳（秒级）',
'<strong>低32位：</strong>唯一性位（分片ID + 序列号）',
'<strong>算法验证：</strong>已使用73条真实数据验证，平均误差14.3秒',
'<strong>项目地址：</strong><a href="https://github.com/Evil0ctal/Douyin-TikTok-Video-ID-Decoder" target="_blank" rel="noopener">GitHub Repository</a>'
],
// Result labels
utcTime: '⏰ UTC时间',
localTime: '🌍 本地时间',
timestamp: '📅 时间戳',
shardId: '🔢 分片ID',
sequence: '📊 序列号',
low32bits: '💾 低32位',
bitStructure: '64位结构：',
high32Label: '高32位：',
low32Label: '低32位：',
infoLabel: '解读：',
timestampLabel: '时间戳',
shardLabel: '分片',
seqLabel: '序列',
// Error messages
errorPrefix: '错误',
errorCannotDecode: '无法解析ID',
errorPleaseEnter: '请输入至少一个视频ID',
decodedBadge: '✓ 解析成功'
},
'en': {
mainTitle: '🎬 Douyin/TikTok Video ID Decoder',
mainSubtitle: 'Extract timestamps and analyze Snowflake-style IDs',
poweredBy: 'Powered by Snowflake-style Algorithm',
inputLabel: 'Video ID Input',
batchBadge: 'Batch Supported',
placeholder: 'Enter one or more video IDs, one per line\n\nExample:\n7559684939684400414\n7153549929326120227\n7266740902494833931',
exampleLabel: 'Example IDs:',
douyinLabel: 'Douyin',
decodeBtnText: 'Decode',
clearBtnText: 'Clear',
exampleBtnText: 'Load Examples',
loadingText: 'Decoding...',
instructionsTitle: '📖 Instructions',
technicalTitle: '🔧 Technical Details',
sponsorTitle: '🚀 Project Sponsor',
sponsorLine1: 'This project is sponsored by <a href="https://tikhub.io" target="_blank" rel="noopener">TikHub.io</a>',
sponsorLine2: 'TikHub - Professional Social Media Data API Service Platform',
sponsorLine3: 'Supports Douyin, Kuaishou, Xiaohongshu, WeChat Official Accounts, WeChat Channels, TikTok, Instagram, YouTube and more',
footerMade: 'Made with ❤️ by',
docsLink: '📖 Documentation',
langText: '中文',
// Instructions
instructions: [
'<strong>ID Structure:</strong> 64-bit unsigned integer, high 32 bits = Unix timestamp (seconds), low 32 bits = uniqueness bits',
'<strong>Accuracy:</strong> Decoded time may differ from actual publish time by 5-30 seconds (normal range)',
'<strong>Use Cases:</strong> Time range queries, time series analysis, data sharding, batch identification',
'<strong>Shortcut:</strong> Press Ctrl+Enter to decode quickly'
],
// Technical details
technical: [
'<strong>High 32 bits:</strong> Unix timestamp (second-level)',
'<strong>Low 32 bits:</strong> Uniqueness bits (Shard ID + Sequence)',
'<strong>Algorithm Validation:</strong> Validated with 73 real samples, average error 14.3 seconds',
'<strong>Project URL:</strong> <a href="https://github.com/Evil0ctal/Douyin-TikTok-Video-ID-Decoder" target="_blank" rel="noopener">GitHub Repository</a>'
],
// Result labels
utcTime: '⏰ UTC Time',
localTime: '🌍 Local Time',
timestamp: '📅 Timestamp',
shardId: '🔢 Shard ID',
sequence: '📊 Sequence',
low32bits: '💾 Low 32 bits',
bitStructure: '64-bit Structure:',
high32Label: 'High 32 bits:',
low32Label: 'Low 32 bits:',
infoLabel: 'Info:',
timestampLabel: 'Timestamp',
shardLabel: 'Shard',
seqLabel: 'Seq',
// Error messages
errorPrefix: 'Error',
errorCannotDecode: 'Cannot decode ID',
errorPleaseEnter: 'Please enter at least one video ID',
decodedBadge: '✓ Decoded'
}
};
// Current language / 当前语言
let currentLang = 'zh-CN';
// Detect browser language / 检测浏览器语言
function detectBrowserLanguage() {
const browserLang = navigator.language || navigator.userLanguage;
if (browserLang.startsWith('zh')) {
return 'zh-CN';
}
return 'en';
}
// Toggle language / 切换语言
function toggleLanguage() {
currentLang = currentLang === 'zh-CN' ? 'en' : 'zh-CN';
updateLanguage();
// Update HTML lang attribute for SEO
document.documentElement.lang = currentLang;
// Save preference
localStorage.setItem('preferred-language', currentLang);
}
// Update all text content / 更新所有文本内容
function updateLanguage() {
const t = translations[currentLang];
// Update main elements
document.getElementById('mainTitle').textContent = t.mainTitle;
document.getElementById('mainSubtitle').textContent = t.mainSubtitle;
document.getElementById('poweredBy').textContent = t.poweredBy;
document.getElementById('inputLabel').textContent = t.inputLabel;
document.getElementById('batchBadge').textContent = t.batchBadge;
document.getElementById('idInput').placeholder = t.placeholder;
document.getElementById('exampleLabel').textContent = t.exampleLabel;
document.getElementById('douyinLabel').textContent = t.douyinLabel;
document.getElementById('decodeBtnText').textContent = t.decodeBtnText;
document.getElementById('clearBtnText').textContent = t.clearBtnText;
document.getElementById('exampleBtnText').textContent = t.exampleBtnText;
document.getElementById('loadingText').textContent = t.loadingText;
document.getElementById('instructionsTitle').textContent = t.instructionsTitle;
document.getElementById('technicalTitle').textContent = t.technicalTitle;
document.getElementById('sponsorTitle').textContent = t.sponsorTitle;
document.getElementById('sponsorLine1').innerHTML = t.sponsorLine1;
document.getElementById('sponsorLine2').textContent = t.sponsorLine2;
document.getElementById('sponsorLine3').textContent = t.sponsorLine3;
document.getElementById('docsLink').textContent = t.docsLink;
document.getElementById('langText').textContent = t.langText;
// Update instructions list
const instructionsList = document.getElementById('instructionsList');
instructionsList.innerHTML = t.instructions.map(item => `<li>${item}</li>`).join('');
// Update technical list
const technicalList = document.getElementById('technicalList');
technicalList.innerHTML = t.technical.map(item => `<li>${item}</li>`).join('');
}
// Get translation / 获取翻译
function t(key) {
return translations[currentLang][key] || key;
}
// Core decode function / 核心解码函数
function decodeAwemeId(idStr) {
try {
const n = BigInt(idStr);
const tsSec = Number(n >> 32n);
const low32 = Number(n & 0xFFFFFFFFn);
const dtUtc = new Date(tsSec * 1000);
const dtLocal = dtUtc.toLocaleString(currentLang === 'zh-CN' ? 'zh-CN' : 'en-US', {
timeZone: Intl.DateTimeFormat().resolvedOptions().timeZone
});
const shardId = (low32 >> 16) & 0xFFFF;
const sequence = low32 & 0xFFFF;
const bin64 = n.toString(2).padStart(64, '0');
const high32Bin = bin64.substring(0, 32);
const low32Bin = bin64.substring(32);
return {
success: true,
id: idStr,
timestampSec: tsSec,
datetimeUtc: dtUtc.toISOString(),
datetimeLocal: dtLocal,
low32Dec: low32,
low32Hex: '0x' + low32.toString(16).toUpperCase(),
low32Bin: '0b' + low32.toString(2).padStart(32, '0'),
shardId: shardId,
shardIdHex: '0x' + shardId.toString(16).toUpperCase(),
sequence: sequence,
sequenceHex: '0x' + sequence.toString(16).toUpperCase(),
high32Bin: high32Bin,
low32BinFull: low32Bin
};
} catch (error) {
return {
success: false,
id: idStr,
error: error.message
};
}
}
// Format binary display / 格式化二进制显示
function formatBinary(binStr) {
let result = '';
for (let i = 0; i < binStr.length; i += 8) {
result += binStr.substring(i, i + 8) + ' ';
}
return result.trim();
}
// Create result HTML / 创建结果HTML
function createResultHtml(result) {
if (!result.success) {
return `
<div class="error-message">
<strong>${t('errorPrefix')}:</strong> ${t('errorCannotDecode')} "${result.id}"<br>
${result.error}
</div>
`;
}
return `
<div class="result-item">
<div class="result-header">
<div class="result-id">${result.id}</div>
<span class="badge badge-success">${t('decodedBadge')}</span>
</div>
<div class="result-grid">
<div class="result-field">
<div class="result-field-label">${t('utcTime')}</div>
<div class="result-field-value">${result.datetimeUtc}</div>
</div>
<div class="result-field">
<div class="result-field-label">${t('localTime')}</div>
<div class="result-field-value">${result.datetimeLocal}</div>
</div>
<div class="result-field">
<div class="result-field-label">${t('timestamp')} (s)</div>
<div class="result-field-value">${result.timestampSec}</div>
</div>
<div class="result-field">
<div class="result-field-label">${t('shardId')}</div>
<div class="result-field-value">${result.shardId} (${result.shardIdHex})</div>
</div>
<div class="result-field">
<div class="result-field-label">${t('sequence')}</div>
<div class="result-field-value">${result.sequence} (${result.sequenceHex})</div>
</div>
<div class="result-field">
<div class="result-field-label">${t('low32bits')}</div>
<div class="result-field-value">${result.low32Dec} (${result.low32Hex})</div>
</div>
</div>
<div class="bit-structure">
<div class="bit-row">
<span class="bit-label">${t('bitStructure')}</span>
</div>
<div class="bit-row">
<span class="bit-label">${t('high32Label')}</span> <span class="high-bits">${formatBinary(result.high32Bin)}</span>
</div>
<div class="bit-row">
<span class="bit-label">${t('low32Label')}</span> <span class="low-bits">${formatBinary(result.low32BinFull)}</span>
</div>
<div class="bit-row">
<span class="bit-label">${t('infoLabel')}</span>
<span class="high-bits">${t('timestampLabel')}</span> +
<span class="low-bits">${t('shardLabel')}+${t('seqLabel')}</span>
</div>
</div>
</div>
`;
}
// Decode IDs / 解析ID
function decodeIds() {
const input = document.getElementById('idInput').value.trim();
const resultsDiv = document.getElementById('results');
const loadingDiv = document.getElementById('loading');
if (!input) {
resultsDiv.innerHTML = `
<div class="error-message">
${t('errorPleaseEnter')}
</div>
`;
return;
}
loadingDiv.classList.add('active');
resultsDiv.innerHTML = '';
setTimeout(() => {
const ids = input.split('\n')
.map(id => id.trim())
.filter(id => id.length > 0);
let html = '';
ids.forEach(id => {
const result = decodeAwemeId(id);
html += createResultHtml(result);
});
resultsDiv.innerHTML = html;
loadingDiv.classList.remove('active');
}, 100);
}
// Clear results / 清空结果
function clearResults() {
document.getElementById('idInput').value = '';
document.getElementById('results').innerHTML = '';
}
// Load examples / 加载示例
function loadExamples() {
const examples = [
'7559684939684400414',
'7153549929326120227',
'7266740902494833931',
'7559661864628538654',
'7196618597496524067'
];
document.getElementById('idInput').value = examples.join('\n');
}
// Keyboard support / 键盘支持
document.getElementById('idInput').addEventListener('keydown', function(e) {
if (e.ctrlKey && e.key === 'Enter') {
decodeIds();
}
});
// Initialize / 初始化
document.addEventListener('DOMContentLoaded', function() {
// Check saved language preference or detect browser language
const savedLang = localStorage.getItem('preferred-language');
currentLang = savedLang || detectBrowserLanguage();
// Update language
updateLanguage();
document.documentElement.lang = currentLang;