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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>KoalaSync | Sync Netflix, YouTube & Any Video with Friends</title>
<meta name="description" content="Watch Netflix, YouTube, Twitch & any HTML5 video in perfect sync with friends. Free, open-source browser extension for Chrome and Firefox. No sign-up needed.">
<link rel="preload" href="style.css" as="style">
<link rel="stylesheet" href="style.css">
<link rel="icon" type="image/webp" href="assets/NewLogoIcon_64.webp">
<link rel="canonical" href="https://sync.koalastuff.net/">
<link rel="alternate" hreflang="en" href="https://sync.koalastuff.net/">
<link rel="alternate" hreflang="de" href="https://sync.koalastuff.net/">
<link rel="alternate" hreflang="x-default" href="https://sync.koalastuff.net/">
<meta name="robots" content="index, follow">
<!-- Open Graph / Facebook -->
<meta property="og:type" content="website">
<meta property="og:url" content="https://sync.koalastuff.net/">
<meta property="og:title" content="KoalaSync | Sync Netflix, Emby, Jellyfin & Almost Any Video with Friends">
<meta property="og:description" content="Watch Netflix, Emby, Jellyfin, YouTube, Twitch and almost any HTML5 video in perfect sync. Privacy-first, open-source browser extension for Chrome & Firefox.">
<meta property="og:image" content="https://sync.koalastuff.net/assets/PlatformJuggler_New.webp">
<meta property="og:locale" content="en_US">
<meta property="og:locale:alternate" content="de_DE">
<!-- Twitter / X -->
<meta name="twitter:card" content="summary_large_image">
<meta name="twitter:title" content="KoalaSync | Sync Netflix, Emby, Jellyfin & Almost Any Video with Friends Browser Extension">
<meta name="twitter:description" content="Watch Netflix, Emby, Jellyfin, YouTube, Twitch and almost any HTML5 video in perfect sync with friends. Privacy-first, open-source browser extension for Chrome and Firefox.">
<meta name="twitter:image" content="https://sync.koalastuff.net/assets/PlatformJuggler_New.webp">
<!-- Mobile Browser Theme Styling -->
<meta name="theme-color" content="#0f172a">
<meta name="mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
<script src="lang-init.js"></script>
<!-- Structured Data (Schema.org) for Rich Snippets -->
<script type="application/ld+json" id="schema-software">
{
"@context": "https://schema.org",
"@type": "SoftwareApplication",
"name": "KoalaSync",
"operatingSystem": "Windows, macOS, Linux, ChromeOS",
"applicationCategory": "BrowserApplication",
"browserRequirements": "Google Chrome, Mozilla Firefox, Microsoft Edge, Opera, Brave",
"offers": {
"@type": "Offer",
"price": "0",
"priceCurrency": "EUR"
},
"description": "Watch Netflix, YouTube, Twitch, Jellyfin, Emby and almost any HTML5 video in perfect sync with friends. Open source, privacy-first, free.",
"softwareVersion": "1.9.3",
"license": "https://opensource.org/licenses/MIT",
"sameAs": "https://github.com/Shik3i/KoalaSync"
}
</script>
<script type="application/ld+json" id="schema-comparison">
{
"@context": "https://schema.org",
"@type": "ItemList",
"name": "KoalaSync vs Teleparty",
"description": "Feature comparison: KoalaSync vs Teleparty browser extensions for synchronized video watching.",
"itemListElement": [
{
"@type": "ListItem",
"position": 1,
"item": {
"@type": "SoftwareApplication",
"name": "KoalaSync",
"applicationCategory": "BrowserApplication",
"operatingSystem": "Windows, macOS, Linux, ChromeOS",
"offers": { "@type": "Offer", "price": "0", "priceCurrency": "EUR" },
"featureList": "100% Free, Open Source (MIT), Self-Hosting (Docker), Zero-Persistence (RAM-only), Universal HTML5 Video Support"
}
},
{
"@type": "ListItem",
"position": 2,
"item": {
"@type": "SoftwareApplication",
"name": "Teleparty",
"applicationCategory": "BrowserApplication",
"offers": { "@type": "Offer", "price": "Premium subscription required" },
"featureList": "Paid tiers, Proprietary, Limited platforms, Google Analytics"
}
}
]
}
</script>
</head>
<body>
<div class="bg-blobs">
<div class="blob blob-1"></div>
<div class="blob blob-2"></div>
<div class="blob blob-3"></div>
</div>
<nav>
<div class="container nav-content">
<div class="logo-area">
<img src="assets/NewLogoIcon_80.webp" srcset="assets/NewLogoIcon_40.webp 40w, assets/NewLogoIcon_80.webp 80w, assets/NewLogoIcon.webp 200w" sizes="40px" alt="KoalaSync Logo" width="40" height="40">
<span>KoalaSync</span>
<div id="nav-extension-status" class="nav-ext-status" style="display: none;">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="3" stroke-linecap="round" stroke-linejoin="round" width="12" height="12"><polyline points="20 6 9 17 4 12"></polyline></svg>
<span lang="en">Installed</span>
<span lang="de">Installiert</span>
</div>
</div>
<button class="hamburger" aria-label="Menu" aria-expanded="false"></button>
<div class="nav-links">
<a href="#features"><span lang="en">Features</span><span lang="de">Funktionen</span></a>
<a href="#how-it-works"><span lang="en">How it works</span><span lang="de">So funktioniert's</span></a>
<a href="https://github.com/Shik3i/KoalaSync" target="_blank" style="display: inline-flex; align-items: center; gap: 6px;">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor" width="16" height="16" aria-hidden="true" style="display: block;"><path d="M12 0c-6.626 0-12 5.373-12 12 0 5.302 3.438 9.8 8.207 11.387.599.111.793-.261.793-.577v-2.234c-3.338.726-4.033-1.416-4.033-1.416-.546-1.387-1.333-1.756-1.333-1.756-1.089-.745.083-.729.083-.729 1.205.084 1.839 1.237 1.839 1.237 1.07 1.834 2.807 1.304 3.492.997.107-.775.418-1.305.762-1.604-2.665-.305-5.467-1.334-5.467-5.931 0-1.311.469-2.381 1.236-3.221-.124-.303-.535-1.524.117-3.176 0 0 1.008-.322 3.301 1.23.957-.266 1.983-.399 3.003-.404 1.02.005 2.047.138 3.006.404 2.291-1.552 3.297-1.23 3.297-1.23.653 1.653.042 2.874.118 3.176.77.84 1.235 1.911 1.235 3.221 0 4.609-2.807 5.624-5.479 5.921.43.372.823 1.102.823 2.222v3.293c0 .319.192.694.801.576 4.765-1.589 8.199-6.086 8.199-11.386 0-6.627-5.373-12-12-12z"/></svg>
GitHub
</a>
<a class="lang-toggle" style="display: inline-flex; align-items: center; gap: 6px; cursor: pointer;">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true" style="width: 16px; height: 16px; display: block;"><path d="m5 8 6 6"></path><path d="m4 14 6-6 2-3"></path><path d="M2 5h12"></path><path d="M7 2h1"></path><path d="m22 22-5-10-5 10"></path><path d="M14 18h6"></path></svg>
EN/DE
</a>
</div>
</div>
</nav>
<header class="hero">
<div class="container hero-grid">
<div class="hero-text">
<div class="version-badge" data-reveal><span lang="en" class="version-text-en">v1.5.3 OUT NOW</span><span lang="de" class="version-text-de">v1.5.3 JETZT VERFÜGBAR</span></div>
<h1 data-reveal>
<span lang="en">Watch Together.<br>Sync Perfectly.</span>
<span lang="de">Gemeinsam schauen.<br>Perfekt synchron.</span>
</h1>
<h2 class="hero-subtitle" data-reveal>
<span lang="en">Your remote movie night without lags. No registration, no data collection. Just share a link and watch together.</span>
<span lang="de">Dein Kino-Abend auf Distanz. Keine Lags, keine Anmeldung. Einfach Link teilen und zusammen schauen.</span>
</h2>
<div class="hero-mascot-container" data-reveal>
<img src="assets/LookDownKoala-1x.webp" srcset="assets/LookDownKoala-1x.webp 90w, assets/LookDownKoala.webp 205w" sizes="90px" alt="A cute koala standing and looking down at the download buttons" class="hero-lookdown-mascot" lang="en" width="90" height="132" loading="lazy">
<img src="assets/LookDownKoala-1x.webp" srcset="assets/LookDownKoala-1x.webp 90w, assets/LookDownKoala.webp 205w" sizes="90px" alt="Ein niedlicher Koala steht da und schaut nach unten auf die Download-Buttons" class="hero-lookdown-mascot" lang="de" width="90" height="132" loading="lazy">
</div>
<div class="cta-group" data-reveal>
<a href="https://chromewebstore.google.com/detail/koalasync/obbnmkmlaaddodakcbdljknjpagklifc" class="btn btn-primary">
<img src="assets/chrome.svg" alt="Chrome" width="20" height="20">
<span lang="en">Add to Chrome</span><span lang="de">Zu Chrome hinzufügen</span>
</a>
<a href="https://addons.mozilla.org/de/firefox/addon/koalasync/" class="btn btn-firefox">
<img src="assets/firefox.svg" alt="Firefox" width="20" height="20">
<span lang="en">Add to Firefox</span><span lang="de">Zu Firefox hinzufügen</span>
</a>
<a href="https://github.com/Shik3i/KoalaSync/releases" target="_blank" class="btn btn-secondary" style="display: inline-flex; align-items: center; gap: 8px;">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor" width="20" height="20" aria-hidden="true" style="display: block;"><path d="M12 0c-6.626 0-12 5.373-12 12 0 5.302 3.438 9.8 8.207 11.387.599.111.793-.261.793-.577v-2.234c-3.338.726-4.033-1.416-4.033-1.416-.546-1.387-1.333-1.756-1.333-1.756-1.089-.745.083-.729.083-.729 1.205.084 1.839 1.237 1.839 1.237 1.07 1.834 2.807 1.304 3.492.997.107-.775.418-1.305.762-1.604-2.665-.305-5.467-1.334-5.467-5.931 0-1.311.469-2.381 1.236-3.221-.124-.303-.535-1.524.117-3.176 0 0 1.008-.322 3.301 1.23.957-.266 1.983-.399 3.003-.404 1.02.005 2.047.138 3.006.404 2.291-1.552 3.297-1.23 3.297-1.23.653 1.653.242 2.874.118 3.176.77.84 1.235 1.911 1.235 3.221 0 4.609-2.807 5.624-5.479 5.921.43.372.823 1.102.823 2.222v3.293c0 .319.192.694.801.576 4.765-1.589 8.199-6.086 8.199-11.386 0-6.627-5.373-12-12-12z"/></svg>
GitHub Releases
</a>
</div>
</div>
<!-- Interactive CSS Extension Mockup -->
<div class="hero-mockup-wrapper" data-reveal>
<div class="extension-mockup">
<div class="mock-header-row">
<div class="mock-header-title"><img src="assets/NewLogoIcon.webp" alt="KoalaSync Logo">KoalaSync</div>
<a href="https://github.com/Shik3i/KoalaSync" target="_blank" class="mock-version-link" title="Visit GitHub Repository">
<svg viewBox="0 0 16 16" fill="currentColor" style="width: 12px; height: 12px; display: block;"><path d="M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82.64-.18 1.32-.27 2-.27.68 0 1.36.09 2 .27 1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.013 8.013 0 0016 8c0-4.42-3.58-8-8-8z"/></svg>
<span>v1.9.3</span>
</a>
</div>
<div class="mock-tabs">
<button class="mock-tab active" data-target="mock-room" title="Room settings and connection">Room</button>
<button class="mock-tab" data-target="mock-sync" title="Video sync controls and remote actions">Sync</button>
<button class="mock-tab" data-target="mock-settings" title="Extension preferences">Settings</button>
<button class="mock-tab" data-target="mock-dev" title="Advanced Diagnostics & Logs">Status</button>
</div>
<div class="mock-body">
<!-- ROOM TAB -->
<div id="mock-room" class="mock-screen active">
<div class="mock-joined-room" style="display: flex; justify-content: space-between; align-items: center; border-left: 4px solid var(--accent); padding: 8px 10px; background: var(--card); border-radius: 8px; margin-bottom: 12px;" title="The room you are currently connected to">
<div style="display: flex; flex-direction: column;">
<span style="font-size: 0.6rem; text-transform: uppercase; color: var(--text-muted); font-weight: 700; line-height: 1;"><span lang="en">Active Room</span><span lang="de">Aktiver Raum</span></span>
<span class="mock-room-name" style="font-weight: 700; color: var(--accent); font-size: 0.9rem; letter-spacing: 0.5px; margin-top: 2px;">brave-eagle-80</span>
</div>
<span class="mock-server-badge" style="font-size: 0.6rem; color: var(--text-muted);"><span lang="en">Official Server</span><span lang="de">Offizieller Server</span></span>
</div>
<div class="mock-card">
<div class="mock-label" title="Share this link with friends so they can join"><span lang="en">Invite Link</span><span lang="de">Einladungs-Link</span></div>
<div class="mock-invite-box">
<input type="text" class="mock-input" value="https://sync.koalastuff.net/join.html#join:brave-eagle-80:pass" readonly style="flex: 1;">
<button class="mock-btn" style="width: 40px; padding: 0.45rem 0; flex-shrink: 0; background: #334155;" title="Copy Invite Link">📋</button>
</div>
</div>
<div class="mock-card" style="margin-bottom: 12px;">
<div class="mock-label" title="Other users currently connected to this room"><span lang="en">Peers in Room</span><span lang="de">Teilnehmer im Raum</span></div>
<div class="mock-peer-list">
<div class="mock-peer-item">
<div class="mock-peer-header">
<span class="mock-peer-name">CoolUsername</span>
<span class="mock-peer-meta"><span lang="en">YOU</span><span lang="de">ICH</span></span>
</div>
<div class="mock-peer-tab">🎬 Stranger Things - S4E1</div>
<div class="mock-peer-status"><span style="color:#22c55e;"></span> 0:55 • <span lang="en">Playing</span><span lang="de">Wiedergabe</span></div>
</div>
<div class="mock-peer-item">
<div class="mock-peer-header">
<span class="mock-peer-name">KoalaPC</span>
<span class="mock-peer-meta"><span lang="en">Peer</span><span lang="de">Partner</span></span>
</div>
<div class="mock-peer-tab">🎬 Stranger Things - S4E1</div>
<div class="mock-peer-status"><span style="color:#22c55e;"></span> 0:55 • <span lang="en">Playing</span><span lang="de">Wiedergabe</span></div>
</div>
</div>
</div>
<button class="mock-btn" style="background:#ef4444; width:100%; border: none; padding: 10px; border-radius: 8px; color: white; font-weight: 700; cursor: pointer; border: 1px solid #ef4444;"><span lang="en">Leave Room</span><span lang="de">Raum verlassen</span></button>
</div>
<!-- SYNC TAB -->
<div id="mock-sync" class="mock-screen">
<div class="mock-form-group" style="margin-bottom: 12px;">
<label style="display: block; font-size: 11px; text-transform: uppercase; color: var(--text-muted); margin-bottom: 4px; font-weight: 700;" title="Choose the browser tab containing the video to sync">
<span lang="en">Select Video</span><span lang="de">Video auswählen</span>
</label>
<select class="mock-input" style="width: 100%; box-sizing: border-box; background: var(--card); border: 1px solid #334155; color: white; padding: 8px; border-radius: 8px; font-family: inherit; font-size: 0.75rem; outline: none; cursor: default;">
<option>🎬 Stranger Things - S4E1</option>
</select>
</div>
<div style="display: flex; justify-content: space-between; align-items: center; margin-bottom: 4px;">
<label style="margin: 0; font-size: 11px; text-transform: uppercase; color: var(--text-muted); font-weight: 700;">
<span lang="en">Remote Control</span><span lang="de">Fernsteuerung</span>
</label>
<button class="mock-btn" style="background:transparent; border: 1px solid #334155; border-radius: 6px; padding: 2px 6px; font-size: 0.65rem; cursor:default; opacity:0.8; color: var(--text-muted); display: flex; align-items: center; gap: 4px; white-space: nowrap;" title="Copy Invite Link">
<span>📋</span>
<span lang="en">Invite Link</span><span lang="de">Einladungs-Link</span>
</button>
</div>
<div style="display: flex; gap: 8px; margin-bottom: 12px;">
<button class="mock-btn mock-btn-play" style="flex: 1; background: #22c55e; color: white; padding: 8px; border-radius: 8px; font-weight: 700; border: none; cursor: pointer;" title="Send a Play command to everyone"><span lang="en">▶ Play</span><span lang="de">▶ Start</span></button>
<button class="mock-btn mock-btn-pause" style="flex: 1; background: #ef4444; color: white; padding: 8px; border-radius: 8px; font-weight: 700; border: none; cursor: pointer;" title="Send a Pause command to everyone"><span lang="en">⏸ Pause</span><span lang="de">⏸ Pause</span></button>
</div>
<div style="display: flex; gap: 8px; margin-bottom: 15px; align-items: stretch;">
<button class="mock-btn" style="background: linear-gradient(135deg, #6366f1, #a855f7); flex: 1; color: white; border: none; font-weight: 700; border-radius: 8px; padding: 8px; cursor: pointer;" title="Force all users to sync up">
<span lang="en">⚡ SYNC</span><span lang="de">⚡ SYNC</span>
</button>
<div class="mock-input" style="flex: 1; background: var(--card); border: 1px solid #334155; color: white; padding: 6px; border-radius: 8px; font-size: 0.75rem; display: flex; align-items: center; justify-content: space-between;" title="Choose sync target">
<span>
<span lang="en">Jump to Others</span><span lang="de">Zu anderen springen</span>
</span>
<span style="font-size: 0.5rem; opacity: 0.6;"></span>
</div>
</div>
<label style="display: block; font-size: 11px; text-transform: uppercase; color: var(--text-muted); margin-bottom: 4px; font-weight: 700;" title="Shows the most recent play, pause, or seek command">
<span lang="en">Last Activity Status</span><span lang="de">Letzte Aktivität</span>
</label>
<div class="mock-card" style="margin-bottom: 15px; display: flex; flex-direction: column; gap: 6px;">
<div style="display: flex; justify-content: space-between; align-items: baseline;">
<span style="font-weight: 700; color: #ef4444; font-size: 11px;">PAUSE</span>
<span style="font-size: 9px; color: var(--text-muted);">CoolUsername @ 12:44:32</span>
</div>
<div style="display: grid; grid-template-columns: repeat(auto-fill, minmax(36px, 1fr)); gap: 5px; margin-top: 4px;">
<div style="display: flex; flex-direction: column; align-items: center;">
<div style="width: 18px; height: 18px; border-radius: 50%; background: var(--success); color: white; display: flex; align-items: center; justify-content: center; font-size: 9px; font-weight: bold; margin-bottom: 1px;"></div>
<span style="font-size: 7px; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 36px;">🐨 KoalaPC</span>
</div>
</div>
</div>
<!-- Episode Auto-Sync Lobby Status Mockup -->
<div class="mock-card" style="margin-bottom: 15px; border-left: 4px solid #fbbf24; background: var(--card); padding: 8px 10px; border-radius: 8px;">
<div style="display:flex; align-items:center; gap: 6px; margin-bottom: 4px;">
<span style="font-size: 0.8rem;"></span>
<span style="font-weight: 700; color: #fbbf24; font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.05em;">Episode Lobby</span>
</div>
<div style="font-size: 0.7rem; color: white; margin-bottom: 4px; font-weight: 600;">
🎬 Stranger Things - S4E2
</div>
<div style="font-size: 0.65rem; color: var(--text-muted); margin-bottom: 6px;">
<span lang="en">Waiting for 1 peer (KoalaPC)...</span><span lang="de">Warten auf 1 Partner (KoalaPC)...</span>
</div>
<button class="mock-btn" style="background: #334155; border: none; padding: 4px 8px; border-radius: 6px; color: white; font-weight: 600; font-size: 0.65rem; cursor: pointer; width: auto; display: block;" title="Cancel lobby and play anyway">
<span lang="en">Skip & Play anyway</span><span lang="de">Überspringen & abspielen</span>
</button>
</div>
<label style="display: block; font-size: 11px; text-transform: uppercase; color: var(--text-muted); margin-bottom: 4px; font-weight: 700;" title="Other users currently connected to this room">
<span lang="en">Peers in Room</span><span lang="de">Teilnehmer im Raum</span>
</label>
<div class="mock-card" style="margin-bottom: 12px;">
<div class="mock-peer-list">
<div class="mock-peer-item">
<div class="mock-peer-header">
<span class="mock-peer-name">CoolUsername</span>
<span class="mock-peer-meta"><span lang="en">YOU</span><span lang="de">ICH</span></span>
</div>
<div class="mock-peer-tab">🎬 Stranger Things - S4E1</div>
<div class="mock-peer-status"><span style="color:#22c55e;"></span> 0:55 • <span lang="en">Playing</span><span lang="de">Wiedergabe</span></div>
</div>
<div class="mock-peer-item">
<div class="mock-peer-header">
<span class="mock-peer-name">KoalaPC</span>
<span class="mock-peer-meta"><span lang="en">Peer</span><span lang="de">Partner</span></span>
</div>
<div class="mock-peer-tab">🎬 Stranger Things - S4E1</div>
<div class="mock-peer-status"><span style="color:#22c55e;"></span> 0:55 • <span lang="en">Playing</span><span lang="de">Wiedergabe</span></div>
</div>
</div>
</div>
</div>
<!-- SETTINGS TAB -->
<div id="mock-settings" class="mock-screen">
<div style="display: flex; align-items: center; justify-content: space-between; background: var(--card); padding: 8px 10px; border-radius: 8px; margin-bottom: 10px; border: 1px solid #334155;">
<label style="margin: 0; font-size: 11px; text-transform: uppercase; color: var(--text-muted); font-weight: 700;" title="Username helps others identify you.">
<span lang="en">Your Username</span><span lang="de">Dein Benutzername</span>
</label>
<input type="text" class="mock-input" value="CoolUsername" readonly style="width: 110px; padding: 4px; text-align: right; background: transparent; border: none; color: var(--accent); font-weight: 700;">
</div>
<div style="display: flex; align-items: center; justify-content: space-between; background: var(--card); padding: 8px 10px; border-radius: 8px; margin-bottom: 8px; border: 1px solid #334155;">
<label style="margin: 0; font-size: 11px; text-transform: uppercase; color: var(--text-muted); font-weight: 700; cursor: help;" title="Filters out non-video tabs and unrelated domains to keep the list clean">
<span lang="en">Hide Clutter Tabs</span><span lang="de">Noise-Filterung</span>
</label>
<label class="mock-toggle-switch">
<input type="checkbox" checked>
<span class="mock-slider"></span>
</label>
</div>
<div style="display: flex; align-items: center; justify-content: space-between; background: var(--card); padding: 8px 10px; border-radius: 8px; margin-bottom: 8px; border: 1px solid #334155;">
<label style="margin: 0; font-size: 11px; text-transform: uppercase; color: var(--text-muted); font-weight: 700; cursor: help;" title="Pauses automatically and waits for all peers when an episode changes, then sync-starts together.">
<span lang="en">Auto-Sync Next Episode</span><span lang="de">Nächste Folge auto-syncen</span>
</label>
<label class="mock-toggle-switch">
<input type="checkbox" checked>
<span class="mock-slider"></span>
</label>
</div>
<div style="display: flex; align-items: center; justify-content: space-between; background: var(--card); padding: 8px 10px; border-radius: 8px; margin-bottom: 8px; border: 1px solid #334155;">
<label style="margin: 0; font-size: 11px; text-transform: uppercase; color: var(--text-muted); font-weight: 700; cursor: help;" title="Automatically copies the invite link to your clipboard when creating a new room.">
<span lang="en">Auto-Copy Invite Link</span><span lang="de">Link auto-kopieren</span>
</label>
<label class="mock-toggle-switch">
<input type="checkbox" checked>
<span class="mock-slider"></span>
</label>
</div>
<div style="display: flex; align-items: center; justify-content: space-between; background: var(--card); padding: 8px 10px; border-radius: 8px; margin-bottom: 12px; border: 1px solid #334155;">
<label style="margin: 0; font-size: 11px; text-transform: uppercase; color: var(--text-muted); font-weight: 700; cursor: help;" title="Shows native system notifications when someone joins/leaves or plays/pauses.">
<span lang="en">Browser Notifications</span><span lang="de">Browser-Meldungen</span>
</label>
<label class="mock-toggle-switch">
<input type="checkbox">
<span class="mock-slider"></span>
</label>
</div>
<div style="margin-top: 15px; padding-top: 8px; border-top: 1px solid #334155;">
<label style="display: block; font-size: 11px; text-transform: uppercase; color: var(--text-muted); margin-bottom: 4px; font-weight: 700;" title="Tools for fixing connection issues">
<span lang="en">Troubleshooting</span><span lang="de">Fehlerbehebung</span>
</label>
<button class="mock-btn" style="background:#334155; width:100%; border: none; padding: 10px; border-radius: 8px; color: white; font-weight: 600; cursor: pointer; font-size: 11px;" title="Regenerate your internal ID and reconnect">
<span lang="en">Regenerate Peer ID</span><span lang="de">Peer ID regenerieren</span>
</button>
<p style="font-size: 9px; color: var(--text-muted); margin-top: 5px; text-align: center; margin-bottom: 0;">
<span lang="en">Use this if you see "Duplicate Identity" errors.</span>
<span lang="de">Nutze dies bei "Duplicate Identity" Fehlern.</span>
</p>
</div>
</div>
<!-- DEV TAB -->
<div id="mock-dev" class="mock-screen">
<label style="display: block; font-size: 11px; text-transform: uppercase; color: var(--text-muted); margin-bottom: 4px; font-weight: 700;" title="Current WebSocket connection state">
<span lang="en">Connection Status</span><span lang="de">Verbindungsstatus</span>
</label>
<div class="mock-card" style="display:flex; align-items:center; gap: 10px; margin-bottom: 12px;">
<span class="status-dot status-online" style="width: 8px; height: 8px; border-radius: 50%; display: inline-block; background: #22c55e; box-shadow: 0 0 8px #22c55e;"></span>
<span style="flex:1; font-size: 0.75rem; font-weight: 600; color: white;">
<span lang="en">Connected</span><span lang="de">Verbunden</span>
</span>
<button class="mock-btn" style="width: auto; padding: 4px 8px; font-size: 0.65rem; border: none; background: #334155; color: white; border-radius: 6px; cursor: pointer;" title="Copy logs to clipboard for sharing">
<span lang="en">Copy Logs</span><span lang="de">Logs kopieren</span>
</button>
</div>
<label style="display: block; font-size: 11px; text-transform: uppercase; color: var(--text-muted); margin-bottom: 4px; font-weight: 700;" title="Technical details about the currently selected video element">
<span lang="en">Video Debug Info</span><span lang="de">Video-Debug-Info</span>
</label>
<div class="mock-card" style="font-size: 0.65rem; font-family: monospace; color: var(--text-muted); line-height: 1.4; margin-bottom: 12px;">
<div>readyState: HAVE_ENOUGH_DATA</div>
<div>seekDelta: 0.05s</div>
<div>buffered: 300.2s</div>
<div>engineState: <span style="color:#22c55e; font-weight:700;">SYNCED</span></div>
</div>
<label style="display: block; font-size: 11px; text-transform: uppercase; color: var(--text-muted); margin-bottom: 4px; font-weight: 700;" title="Chronological log of all sync commands in the room">
<span lang="en">Full Action History</span><span lang="de">Aktivitätsverlauf</span>
</label>
<div class="mock-card" style="font-size: 0.65rem; color: var(--text-muted); line-height: 1.4; margin-bottom: 12px; max-height: 100px; overflow-y: auto; display: flex; flex-direction: column; gap: 4px;">
<div style="display: flex; justify-content: space-between; border-bottom: 1px solid #334155; padding-bottom: 4px;">
<span>CoolUsername: PAUSE</span>
<span style="opacity: 0.5;">0:55</span>
</div>
<div style="display: flex; justify-content: space-between; padding-top: 2px;">
<span>KoalaPC: PLAY</span>
<span style="opacity: 0.5;">0:00</span>
</div>
</div>
<div style="display: flex; justify-content: space-between; align-items: center; margin-bottom: 4px;">
<label style="margin: 0; font-size: 11px; text-transform: uppercase; color: var(--text-muted); font-weight: 700;" title="Technical connection logs for debugging">
<span lang="en">Logs (Last 50)</span><span lang="de">Protokoll (Letzte 50)</span>
</label>
<button class="mock-btn" style="background:transparent; border:none; color:var(--accent); font-size:10px; cursor:default; padding: 0; font-weight: 700;" title="Clear log output">
<span lang="en">CLEAR</span><span lang="de">LÖSCHEN</span>
</button>
</div>
<div style="max-height: 120px; overflow-y: auto; font-size: 0.65rem; font-family: monospace; background: #000; padding: 8px 10px; border-radius: 8px; color: #ccc; line-height: 1.4;">
<div style="color:#22c55e;">[18:37:32] EVENT: PLAY -&gt; ACK</div>
<div>[18:37:32] FORCE_SYNC -&gt; 0.05s diff</div>
<div>[18:37:38] EVENT: PAUSE -&gt; BROADCAST</div>
<div style="color:var(--text-muted);">[18:37:42] content_heartbeat: active</div>
</div>
<div style="margin-top: 16px; text-align: center; border-top: 1px solid rgba(255,255,255,0.05); padding-top: 10px; flex-shrink: 0;">
<a href="https://github.com/Shik3i/KoalaSync" target="_blank" style="color: var(--text-muted); text-decoration: none; font-size: 10px; opacity: 0.6; display: block;">GitHub Repository</a>
<div style="color: var(--text-muted); font-size: 9px; opacity: 0.4; margin-top: 4px;">v1.9.3</div>
</div>
</div>
</div>
</div>
</div>
</div>
</header>
<section class="compat-section">
<div class="container">
<img src="assets/PlatformJuggler_New-1x.webp" srcset="assets/PlatformJuggler_New-1x.webp 368w, assets/PlatformJuggler_New.webp 643w" sizes="(max-width: 768px) calc(100vw - 2rem), 368px" alt="A cute koala juggling multiple browser tabs showing streaming platforms" class="compat-mascot" lang="en" width="300" height="233" loading="lazy" data-reveal>
<img src="assets/PlatformJuggler_New-1x.webp" srcset="assets/PlatformJuggler_New-1x.webp 368w, assets/PlatformJuggler_New.webp 643w" sizes="(max-width: 768px) calc(100vw - 2rem), 368px" alt="Ein niedlicher Koala jongliert mit mehreren Browser-Tabs, auf denen verschiedene Streamingdienste laufen" class="compat-mascot" lang="de" width="300" height="233" loading="lazy" data-reveal>
<p class="compat-heading" data-reveal>
<span lang="en">Works on your favorite platforms</span>
<span lang="de">Funktioniert auf deinen Lieblingsplattformen</span>
</p>
<div class="compat-row" data-reveal>
<div class="compat-logo">
<img src="assets/netflix.svg" alt="Netflix" width="24" height="24">
<span>Netflix</span>
</div>
<div class="compat-logo">
<img src="assets/youtube.svg" alt="YouTube" width="24" height="24">
<span>YouTube</span>
</div>
<div class="compat-logo">
<img src="assets/twitch.svg" alt="Twitch" width="24" height="24">
<span>Twitch</span>
</div>
<div class="compat-logo">
<img src="assets/primevideo.svg" alt="Prime Video" width="24" height="24">
<span>Prime Video</span>
</div>
<div class="compat-logo">
<img src="assets/jellyfin.svg" alt="Jellyfin" width="24" height="24">
<span>Jellyfin</span>
</div>
<div class="compat-logo">
<img src="assets/emby.svg" alt="Emby" width="24" height="24">
<span>Emby</span>
</div>
<div class="compat-logo compat-more">
<span class="compat-more-icon">+</span>
<span lang="en">and many more</span><span lang="de">und viele mehr</span>
<div class="compat-tooltip">
<span lang="en">Works on almost any site with a video element</span>
<span lang="de">Funktioniert auf fast jeder Seite mit einem Video-Element</span>
</div>
</div>
</div>
</div>
</section>
<section id="use-cases" class="use-cases-section">
<div class="container">
<h2 class="section-title" data-reveal style="text-align: center; font-size: 2.2rem; margin-bottom: 1rem;">
<span lang="en">Perfect for Any Occasion</span>
<span lang="de">Perfekt für jeden Anlass</span>
</h2>
<p class="section-subtitle" data-reveal style="text-align: center; color: var(--text-muted); margin-bottom: 3.5rem; max-width: 600px; margin-left: auto; margin-right: auto;">
<span lang="en">Whether near or far, KoalaSync brings people together around their favorite videos.</span>
<span lang="de">Ob nah oder fern, KoalaSync bringt Menschen bei ihren Lieblingsvideos zusammen.</span>
</p>
<div class="use-cases-grid">
<div class="use-case-card" data-reveal>
<img src="assets/PopcornFriends-1x.webp" srcset="assets/PopcornFriends-1x.webp 272w, assets/PopcornFriends.webp 543w" sizes="(max-width: 768px) calc(100vw - 2rem), 272px" alt="Two cute koalas sitting together and sharing a bucket of popcorn" class="use-case-image" lang="en" width="272" height="150" loading="lazy">
<img src="assets/PopcornFriends-1x.webp" srcset="assets/PopcornFriends-1x.webp 272w, assets/PopcornFriends.webp 543w" sizes="(max-width: 768px) calc(100vw - 2rem), 272px" alt="Zwei niedliche Koalas sitzen zusammen und teilen sich einen Eimer Popcorn" class="use-case-image" lang="de" width="272" height="150" loading="lazy">
<h3>
<span lang="en">Movie Night with Friends</span>
<span lang="de">Filmabend mit Freunden</span>
</h3>
<p lang="en">Sync your movies in real time and talk via Discord, Zoom, or your favorite voice call application. It feels just like sitting in the same room.</p>
<p lang="de">Synchronisiere eure Filme in Echtzeit und quatscht nebenbei auf Discord, Zoom oder im Tool eurer Wahl. Es fühlt sich an, als säßet ihr im selben Raum.</p>
</div>
<div class="use-case-card" data-reveal>
<img src="assets/RemoteProf-1x.webp" srcset="assets/RemoteProf-1x.webp 272w, assets/RemoteProf.webp 507w" sizes="(max-width: 768px) calc(100vw - 2rem), 272px" alt="A koala professor presenting on a screen to two remote student koalas" class="use-case-image" lang="en" width="272" height="150" loading="lazy">
<img src="assets/RemoteProf-1x.webp" srcset="assets/RemoteProf-1x.webp 272w, assets/RemoteProf.webp 507w" sizes="(max-width: 768px) calc(100vw - 2rem), 272px" alt="Ein Koala-Professor hält einen Vortrag auf einem Bildschirm vor zwei remote zugeschalteten Schüler-Koalas" class="use-case-image" lang="de" width="272" height="150" loading="lazy">
<h3>
<span lang="en">Remote Learning</span>
<span lang="de">Gemeinsam Lernen</span>
</h3>
<p lang="en">Analyze online tutorials, lectures, or developer training streams together with classmates or colleagues. Pause and discuss complex steps in perfect harmony.</p>
<p lang="de">Analysiert Online-Tutorials, Vorlesungen oder Streams gemeinsam mit Mitschülern oder Kollegen. Pausiert und besprecht komplizierte Schritte in perfektem Sync.</p>
</div>
<div class="use-case-card" data-reveal>
<img src="assets/KoalaCupple_New-1x.webp" srcset="assets/KoalaCupple_New-1x.webp 272w, assets/KoalaCupple_New.webp 579w" sizes="(max-width: 768px) calc(100vw - 2rem), 272px" alt="A cute koala couple watching together remotely; one is sitting at a PC and the other is in bed with a laptop, with flying hearts between them" class="use-case-image" lang="en" width="272" height="150" loading="lazy">
<img src="assets/KoalaCupple_New-1x.webp" srcset="assets/KoalaCupple_New-1x.webp 272w, assets/KoalaCupple_New.webp 579w" sizes="(max-width: 768px) calc(100vw - 2rem), 272px" alt="Ein niedliches Koala-Pärchen schaut remote zusammen; einer sitzt am PC und sie liegt mit dem Laptop im Bett, während Herzen zwischen ihnen fliegen" class="use-case-image" lang="de" width="272" height="150" loading="lazy">
<h3>
<span lang="en">Long-Distance Relationships</span>
<span lang="de">Fernbeziehungen</span>
</h3>
<p lang="en">Bridge the distance and enjoy date nights. Experience every plot twist, laugh at the same jokes, and share emotional moments at the exact same millisecond.</p>
<p lang="de">Überbrückt die Distanz und genießt gemeinsame Date-Nächte. Erlebt jeden Plot-Twist, lacht über dieselben Witze und teilt emotionale Momente zur selben Millisekunde.</p>
</div>
</div>
</div>
</section>
<section id="features">
<div class="container">
<img src="assets/KoalaQuestions-1x.webp" srcset="assets/KoalaQuestions-1x.webp 250w, assets/KoalaQuestions.webp 355w" sizes="(max-width: 768px) calc(100vw - 2rem), 250px" alt="A cute koala with a question mark above its head wondering why to choose KoalaSync" class="features-questions-mascot" lang="en" width="250" height="211" loading="lazy" data-reveal>
<img src="assets/KoalaQuestions-1x.webp" srcset="assets/KoalaQuestions-1x.webp 250w, assets/KoalaQuestions.webp 355w" sizes="(max-width: 768px) calc(100vw - 2rem), 250px" alt="Ein niedlicher Koala mit einem Fragezeichen über dem Kopf, der sich fragt, warum er KoalaSync wählen soll" class="features-questions-mascot" lang="de" width="250" height="211" loading="lazy" data-reveal>
<h2 style="font-size: 2.5rem; text-align: center; margin-bottom: 1rem;">
<span lang="en">Why KoalaSync?</span><span lang="de">Warum KoalaSync?</span>
</h2>
<p style="text-align: center; color: var(--text-muted); margin-bottom: 4rem;">
<span lang="en">Built for reliable sync, privacy-first design, and easy setup.</span>
<span lang="de">Entwickelt für zuverlässigen Sync, Datenschutz und einfache Einrichtung.</span>
</p>
<div class="features-grid">
<div class="feature-card" data-reveal>
<h3>
<span class="feature-icon"></span>
<span lang="en">Full Control / Instant Sync</span>
<span lang="de">Volle Kontrolle, in Echtzeit</span>
</h3>
<p lang="en">One pauses, everyone pauses. One seeks, everyone follows. Our two-phase sync protocol coordinates playback in real time across all participants.</p>
<p lang="de">Einer pausiert, alle pausieren. Einer spult, alle folgen. Unser Zwei-Phasen-Synchronisationsprotokoll koordiniert die Wiedergabe aller Teilnehmer in Echtzeit.</p>
</div>
<div class="feature-card" data-reveal>
<h3>
<span class="feature-icon">🎬</span>
<span lang="en">Endless Binge-Watching</span>
<span lang="de">Grenzenloses Bingen</span>
</h3>
<p lang="en">Autoplay in sync. KoalaSync automatically detects episode transitions and holds playback until all peers have successfully loaded the next video.</p>
<p lang="de">Nächste Episode startet für jeden zeitgleich. KoalaSync erkennt den Episodenwechsel und pausiert, bis jeder Teilnehmer das neue Video fertig geladen hat.</p>
</div>
<div class="feature-card" data-reveal>
<h3>
<span class="feature-icon">🛡️</span>
<span lang="en">Zero Accounts / Pure Privacy</span>
<span lang="de">Keine Accounts / Datenschutz</span>
</h3>
<p lang="en">No registration, no tracking, no bullshit. Just share a link and watch. The server runs entirely in RAM and purges your room when you leave.</p>
<p lang="de">Kein Login. Keine Daten. Einfach Link teilen und schauen. Der Server läuft flüchtig im RAM und löscht deinen Raum komplett nach dem Verlassen.</p>
</div>
<div class="feature-card" data-reveal>
<h3>
<span class="feature-icon">🌐</span>
<span lang="en">Universal HTML5 Support</span>
<span lang="de">Universeller HTML5-Support</span>
</h3>
<p lang="en">Works on YouTube, Twitch, Netflix, Jellyfin, Emby, and almost any standard webpage containing a HTML5 video element. Also compatible with custom self-hosted setups.</p>
<p lang="de">Unterstützt YouTube, Twitch, Netflix, Jellyfin, Emby und fast jede beliebige Webseite mit einem HTML5-Video-Tag. Ideal auch für eigene Medienbibliotheken.</p>
</div>
<div class="feature-card" data-reveal>
<h3>
<span class="feature-icon">🐳</span>
<span lang="en">Self-Hostable & Docker-Ready</span>
<span lang="de">Self-Hostable & Docker-Ready</span>
</h3>
<p lang="en">Our official servers are free and fast, but you <strong>can</strong> take full ownership if you want to. Launch your own private relay server in seconds via Docker.</p>
<p lang="de">Unsere Server sind kostenlos und schnell, aber du <strong>kannst</strong> auch die volle Kontrolle übernehmen, wenn du willst. Starte dein eigenes privates Relay in Sekunden via Docker.</p>
</div>
<div class="feature-card" data-reveal>
<h3>
<span class="feature-icon">🔗</span>
<span lang="en">Instant Invites / 1-Click Join</span>
<span lang="de">Direkte Einladungen & 1-Klick Beitritt</span>
</h3>
<p lang="en">No IP addresses or passwords to exchange. Share a generated invite link with your friends to let them join your room automatically with a single click.</p>
<p lang="de">Keine lästigen IPs oder Passwörter austauschen. Teile einfach einen Einladungslink mit deinen Freunden, um sie mit einem Klick in den Raum zu holen.</p>
</div>
</div>
</div>
</section>
<section id="comparison" class="comparison-section">
<div class="container">
<img src="assets/ProContraKoala-1x.webp" srcset="assets/ProContraKoala-1x.webp 260w, assets/ProContraKoala.webp 423w" sizes="(max-width: 768px) calc(100vw - 2rem), 260px" alt="A cute koala weighing options in both hands to compare KoalaSync vs Teleparty" class="comparison-mascot" lang="en" width="260" height="184" loading="lazy" data-reveal>
<img src="assets/ProContraKoala-1x.webp" srcset="assets/ProContraKoala-1x.webp 260w, assets/ProContraKoala.webp 423w" sizes="(max-width: 768px) calc(100vw - 2rem), 260px" alt="Ein niedlicher Koala, der Optionen in beiden Händen abwägt, um KoalaSync mit Teleparty zu vergleichen" class="comparison-mascot" lang="de" width="260" height="184" loading="lazy" data-reveal>
<h2 class="section-title" data-reveal style="text-align: center; font-size: 2.2rem; margin-bottom: 1rem;">
<span lang="en">KoalaSync vs. Teleparty</span>
<span lang="de">KoalaSync vs. Teleparty</span>
</h2>
<p class="section-subtitle" data-reveal style="text-align: center; color: var(--text-muted); margin-bottom: 3.5rem; max-width: 600px; margin-left: auto; margin-right: auto;">
<span lang="en">See why open source, ad-free and privacy-first is the superior way to watch together.</span>
<span lang="de">Erfahre, warum Open Source, Werbefreiheit und echter Datenschutz die bessere Wahl für gemeinsames Schauen sind.</span>
</p>
<div class="comparison-table-wrapper" data-reveal>
<table class="comparison-table">
<thead>
<tr>
<th><span lang="en">Feature</span><span lang="de">Funktion</span></th>
<th class="highlight">KoalaSync</th>
<th>Teleparty</th>
</tr>
</thead>
<tbody>
<tr>
<td class="feat-name">
<strong><span lang="en">Cost / Paywalls</span><span lang="de">Kosten / Paywalls</span></strong>
<span class="feat-desc"><span lang="en">Premium subscriptions, hidden fees or locked features.</span><span lang="de">Premium-Abos, versteckte Kosten oder gesperrte Funktionen.</span></span>
</td>
<td class="check highlight"><span lang="en">100% Free</span><span lang="de">100% Kostenlos</span></td>
<td class="cross">
<span lang="en">Paid Tiers / Premium Locks</span><span lang="de">Premium-Abo / Paywalls</span>
<a href="https://www.teleparty.com/premium" target="_blank" rel="noopener noreferrer" class="source-link" title="See Teleparty Premium Pricing"><sup>[1]</sup></a>
</td>
</tr>
<tr>
<td class="feat-name">
<strong><span lang="en">License / Code Auditable</span><span lang="de">Lizenz / Quellcode</span></strong>
<span class="feat-desc"><span lang="en">Whether the source code is open and freely auditable.</span><span lang="de">Ob der Quellcode quelloffen und frei einsehbar ist.</span></span>
</td>
<td class="check highlight"><span lang="en">Open Source (MIT)</span><span lang="de">Open Source (MIT)</span></td>
<td class="cross">
<span lang="en">Proprietary</span><span lang="de">Proprietär</span>
<a href="https://www.teleparty.com/privacy" target="_blank" rel="noopener noreferrer" class="source-link" title="See Teleparty Privacy Policy"><sup>[2]</sup></a>
</td>
</tr>
<tr>
<td class="feat-name">
<strong><span lang="en">Self-Hosting</span><span lang="de">Self-Hosting</span></strong>
<span class="feat-desc"><span lang="en">Ability to deploy your own private relay server.</span><span lang="de">Möglichkeit, einen eigenen privaten Relay-Server zu betreiben.</span></span>
</td>
<td class="check highlight"><span lang="en">Yes (Docker-ready)</span><span lang="de">Ja (Docker-bereit)</span></td>
<td class="cross">
<span lang="en">No</span><span lang="de">Nein</span>
<a href="https://www.teleparty.com/privacy" target="_blank" rel="noopener noreferrer" class="source-link" title="See Teleparty Privacy Policy"><sup>[2]</sup></a>
</td>
</tr>
<tr>
<td class="feat-name">
<strong><span lang="en">Privacy &amp; Tracking</span><span lang="de">Datenschutz &amp; Tracking</span></strong>
<span class="feat-desc"><span lang="en">Registration requirements, tracking cookies and analytics.</span><span lang="de">Registrierungszwang, Tracking-Cookies und Analysen.</span></span>
</td>
<td class="check highlight"><span lang="en">Zero-Persistence (RAM-only)</span><span lang="de">Keine Speicherung (RAM-only)</span></td>
<td class="cross">
<span lang="en">Google Analytics &amp; Cookies</span><span lang="de">Google Analytics &amp; Cookies</span>
<a href="https://www.teleparty.com/privacy" target="_blank" rel="noopener noreferrer" class="source-link" title="See Teleparty Privacy Policy"><sup>[2]</sup></a>
</td>
</tr>
<tr>
<td class="feat-name">
<strong><span lang="en">Site Compatibility</span><span lang="de">Kompatibilität</span></strong>
<span class="feat-desc"><span lang="en">Supported websites and player compatibility.</span><span lang="de">Unterstützte Webseiten und Player-Kompatibilität.</span></span>
</td>
<td class="check highlight"><span lang="en">Almost any HTML5 Video</span><span lang="de">Fast jedes HTML5-Video</span><a href="#footnote-3" class="source-link" title="Technical Compatibility Details"><sup>[3]</sup></a></td>
<td class="cross">
<span lang="en">Supported sites only</span><span lang="de">Nur unterstützte Seiten</span>
<a href="https://www.teleparty.com/premium" target="_blank" rel="noopener noreferrer" class="source-link" title="See Teleparty Premium Platforms"><sup>[1]</sup></a>
</td>
</tr>
</tbody>
</table>
<div class="table-footnotes">
<p style="opacity: 0.55; font-size: 0.65rem; margin-bottom: 0.4rem; display: block;">
<span lang="en">* Comparison state: May 2026.</span>
<span lang="de">* Stand des Vergleichs: Mai 2026.</span>
</p>
<p>
<sup>[1]</sup>
<span lang="en">Official Teleparty Premium pricing and supported networks details:</span>
<span lang="de">Details zu Preisen und unterstützten Netzwerken von Teleparty Premium:</span>
<a href="https://www.teleparty.com/premium" target="_blank" rel="noopener noreferrer">teleparty.com/premium</a>
</p>
<p>
<sup>[2]</sup>
<span lang="en">Teleparty privacy policies and tracking data collection:</span>
<span lang="de">Datenschutzerklärung und Tracker-Erfassung von Teleparty:</span>
<a href="https://www.teleparty.com/privacy" target="_blank" rel="noopener noreferrer">teleparty.com/privacy</a>
</p>
<p id="footnote-3">
<sup>[3]</sup>
<span lang="en">Works on websites that allow script injections into standard HTML5 video tags. Websites with highly strict Content Security Policies (CSP), DRM copy protection, or heavily obfuscated player wrappers (like complex shadow DOMs) might restrict automated control or injection.</span>
<span lang="de">Funktioniert auf allen Seiten, die Skript-Injektionen in Standard-HTML5-Videoplayer erlauben. Seiten mit extrem strengen Content Security Policies (CSP), DRM-Kopierschutz oder stark verschachtelten Player-Wrappern (z. B. komplexe Shadow-DOMs) können die automatische Steuerung blockieren.</span>
</p>
</div>
</div>
</div>
</section>
<section id="how-it-works" style="background: rgba(255,255,255,0.02)">
<div class="container">
<h2 style="font-size: 2.5rem; text-align: center; margin-bottom: 4rem;">
<span lang="en">Getting Started</span><span lang="de">Erste Schritte</span>
</h2>
<div class="steps">
<div class="step">
<div class="step-text" data-reveal>
<div class="step-num">01</div>
<h3><span lang="en">Install Extension</span><span lang="de">Erweiterung installieren</span></h3>
<p lang="en">Add KoalaSync to your browser from the Chrome Web Store, Firefox Add-ons, or download the latest developer ZIP from GitHub.</p>
<p lang="de">Füge KoalaSync aus dem Chrome Web Store, den Firefox Add-ons oder über die Entwickler-ZIP von GitHub zu deinem Browser hinzu.</p>
</div>
<!-- Custom Step 1 Illustration -->
<div class="step-illustration-1" data-reveal>
<div class="illus-browser-container">
<div class="illus-browser-header">
<div class="illus-browser-dots">
<span class="illus-browser-dot"></span>
<span class="illus-browser-dot"></span>
<span class="illus-browser-dot"></span>
</div>
<div class="illus-browser-address-bar">
<span class="url-protocol">https://</span>sync.koalastuff.net
</div>
<div class="illus-browser-toolbar">
<div class="illus-extension-btn active">
<img src="assets/NewLogoIcon.webp" alt="KoalaSync Extension" width="14" height="14">
</div>
</div>
</div>
<div class="illus-browser-content">
<div class="illus-store-card">
<div class="illus-store-card-header">
<img src="assets/NewLogoIcon.webp" alt="KoalaSync Logo" class="illus-large-logo" width="30" height="30">
<div class="illus-store-info">
<div class="illus-store-title">KoalaSync</div>
<div class="illus-store-desc">
<span lang="en">Privacy-first video synchronizer</span>
<span lang="de">Privatsphäre-fokussierte Video-Synchronisation</span>
</div>
</div>
</div>
<div class="illus-store-buttons">
<div class="illus-store-btn chrome">
<img src="assets/chrome.svg" alt="Chrome Logo" width="12" height="12">
<span lang="en">Download for Chrome</span>
<span lang="de">Download für Chrome</span>
</div>
<div class="illus-store-btn firefox">
<img src="assets/firefox.svg" alt="Firefox Logo" width="12" height="12">
<span lang="en">Download for Firefox</span>
<span lang="de">Download für Firefox</span>
</div>
</div>
</div>
<!-- Floating Extension Success Popup -->
<div class="illus-extension-popup">
<div class="popup-title">
<img src="assets/NewLogoIcon.webp" alt="KoalaSync Logo" width="12" height="12">
<span>KoalaSync</span>
</div>
<div class="popup-status">
<div class="status-badge-success">
<span class="status-check"></span>
<span lang="en">Extension Active</span>
<span lang="de">Erweiterung aktiv</span>
</div>
</div>
<div class="popup-quick-start">
<span lang="en">Ready to watch together!</span>
<span lang="de">Bereit zum Mitschauen!</span>
</div>
</div>
</div>
</div>
</div>
</div>
<div class="step">
<div class="step-text" data-reveal>
<div class="step-num">02</div>
<h3><span lang="en">Create a Room</span><span lang="de">Raum erstellen</span></h3>
<p lang="en">Open the extension popup and click "+ Create New Room". KoalaSync automatically generates a secure Room ID and Password, joins it, and copies the invite link to your clipboard.</p>
<p lang="de">Öffne die Erweiterung und klicke auf „+ Neuer Raum“. KoalaSync generiert automatisch eine sichere Raum-ID samt Passwort, tritt dem Raum bei und kopiert den Einladungslink in deine Zwischenablage.</p>
</div>
<!-- Custom Step 2 Illustration -->
<div class="step-illustration-2" data-reveal>
<div class="illus-popup-card">
<div class="illus-popup-header">
<div class="illus-popup-brand">
<img src="assets/NewLogoIcon.webp" alt="KoalaSync Logo" width="14" height="14">
<span>KoalaSync</span>
</div>
<div class="illus-popup-version">v1.9.3</div>
</div>
<div class="illus-popup-tabs">
<div class="illus-popup-tab active">
<span lang="en">Room</span>
<span lang="de">Raum</span>
</div>
<div class="illus-popup-tab">
<span lang="en">Sync</span>
<span lang="de">Sync</span>
</div>
<div class="illus-popup-tab">
<span lang="en">Settings</span>
<span lang="de">Optionen</span>
</div>
</div>
<div class="illus-popup-body">
<div class="illus-popup-btn action-create-room">
<span lang="en">+ Create New Room</span>
<span lang="de">+ Neuer Raum</span>
<div class="illus-btn-shine"></div>
</div>
<div class="illus-collapsed-details">
<span class="details-arrow"></span>
<span lang="en">Manual Connect / Advanced</span>
<span lang="de">Manuell verbinden / Erweitert</span>
</div>
<div class="illus-floating-success">
<span class="success-icon">📋</span>
<span lang="en">Invite link copied!</span>
<span lang="de">Einladungslink kopiert!</span>
</div>
</div>
</div>
</div>
</div>
<div class="step">
<div class="step-text" data-reveal>
<div class="step-num">03</div>
<h3><span lang="en">Share & Sync</span><span lang="de">Teilen & Synchronisieren</span></h3>
<p lang="en">Send the invite link to your friends. Once they join, select your video tab and enjoy synchronized playback.</p>
<p lang="de">Senden Sie den Einladungslink an Ihre Freunde. Sobald sie beitreten, wählen Sie Ihren Video-Tab aus und genießen Sie die synchronisierte Wiedergabe.</p>
</div>
<!-- Custom Step 3 Illustration -->
<div class="step-illustration-3" data-reveal>
<div class="illus-sync-theater">
<!-- Player A (KoalaPC) -->
<div class="illus-player-card player-a">
<div class="player-header">
<span class="player-user">🐨 KoalaPC</span>
<span class="player-badge active">PLAYING</span>
</div>
<div class="player-video-canvas">
<div class="player-play-pulse"></div>
<div class="player-video-overlay"></div>
</div>
<div class="player-controls">
<span class="control-btn"></span>
<div class="player-timeline">
<div class="timeline-fill"></div>
<div class="timeline-knob"></div>
</div>
<span class="control-time">42:15</span>
</div>
</div>
<!-- Glowing Sync Bridge -->
<div class="illus-sync-bridge">
<div class="sync-line">
<div class="sync-beam"></div>
</div>
<div class="sync-status-badge">
<span lang="en">IN SYNC</span>
<span lang="de">SYNCHRON</span>
</div>
</div>
<!-- Player B (LaptopKoala) -->
<div class="illus-player-card player-b">
<div class="player-header">
<span class="player-user">💻 LaptopKoala</span>
<span class="player-badge active">PLAYING</span>
</div>
<div class="player-video-canvas">
<div class="player-play-pulse"></div>
<div class="player-video-overlay"></div>
</div>
<div class="player-controls">
<span class="control-btn"></span>
<div class="player-timeline">
<div class="timeline-fill"></div>
<div class="timeline-knob"></div>
</div>
<span class="control-time">42:15</span>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</section>
<!-- Self Hosters Paradise Section -->
<section id="self-hosting" style="background: rgba(15, 23, 42, 0.4); border-top: 1px solid var(--glass-border); border-bottom: 1px solid var(--glass-border);">
<div class="container">
<h2 style="font-size: 2.5rem; text-align: center; margin-bottom: 1rem;">
<span lang="en">For Self-Hosters</span><span lang="de">Für Self-Hoster</span>
</h2>
<p style="text-align: center; color: var(--text-muted); margin-bottom: 2rem; max-width: 650px; margin-left: auto; margin-right: auto;">
<span lang="en">Don't trust our server? Maintain full data sovereignty. Deploy your own private relay server in minutes.</span>
<span lang="de">Du traust dem Server nicht? Behalte die volle Datenhoheit. Richte deinen eigenen privaten Relay-Server in wenigen Minuten ein.</span>
</p>
<!-- Mascot Self-Hosting / Deploy Illustration -->
<div style="display: flex; justify-content: center; margin-bottom: 2.5rem;" data-reveal>
<img src="assets/KoalaDeploy-1x.webp" srcset="assets/KoalaDeploy-1x.webp 300w, assets/KoalaDeploy.webp 600w" sizes="(max-width: 768px) calc(100vw - 2rem), 300px" alt="A cute koala sitting at a laptop deploying a Docker container for self-hosting" class="selfhost-mascot" lang="en" width="300" height="201" loading="lazy">
<img src="assets/KoalaDeploy-1x.webp" srcset="assets/KoalaDeploy-1x.webp 300w, assets/KoalaDeploy.webp 600w" sizes="(max-width: 768px) calc(100vw - 2rem), 300px" alt="Ein niedlicher Koala sitzt am Laptop und deployt einen Docker-Container für das Self-Hosting" class="selfhost-mascot" lang="de" width="300" height="201" loading="lazy">
</div>
<div class="terminal-container" data-reveal>
<div class="terminal-header">
<div class="terminal-dots">
<span class="terminal-dot red"></span>
<span class="terminal-dot yellow"></span>
<span class="terminal-dot green"></span>
</div>
<div class="terminal-tabs">
<button class="terminal-tab-btn active" data-tab="pane-docker">docker-compose.yml</button>
<button class="terminal-tab-btn" data-tab="pane-caddy">Caddyfile</button>
</div>
</div>
<div class="terminal-body">
<button class="terminal-copy-btn">
📋 <span lang="en">Copy Code</span><span lang="de">Code kopieren</span>
</button>
<div id="pane-docker" class="terminal-pane active">
<pre><code><span class="t-key">services:</span>
<span class="t-key">koala-sync:</span>
<span class="t-key">image:</span> <span class="t-str">ghcr.io/shik3i/koalasync:latest</span>
<span class="t-key">container_name:</span> <span class="t-str">KoalaSync</span>
<span class="t-key">restart:</span> <span class="t-str">always</span>
<span class="t-comment"># Access internally by proxying to container port 3000</span>
<span class="t-key">environment:</span>
<span class="t-key">-</span> <span class="t-str">TZ=Europe/Berlin</span>
<span class="t-key">-</span> <span class="t-str">PORT=3000</span>
<span class="t-key">-</span> <span class="t-str">MIN_VERSION=1.0.0</span>
<span class="t-key">-</span> <span class="t-str">MAX_ROOMS=100</span>
<span class="t-key">-</span> <span class="t-str">MAX_PEERS_PER_ROOM=50</span>
<span class="t-key">pids_limit:</span> <span class="t-val">2048</span></code></pre>
<div style="margin-top: 1rem; font-size: 0.75rem; text-align: right; padding-right: 0.5rem;">
<a href="https://github.com/Shik3i/KoalaSync/pkgs/container/koalasync" target="_blank" style="color: var(--accent); text-decoration: none; display: inline-flex; align-items: center; gap: 6px; font-weight: 600; transition: opacity 0.2s; opacity: 0.85;">
📦 <span lang="en">View all image tags on GitHub Packages</span><span lang="de">Alle Image-Tags auf GitHub Packages ansehen</span>
</a>
</div>
</div>
<div id="pane-caddy" class="terminal-pane">
<pre><code><span class="t-key">sync.koalastuff.net</span> {
<span class="t-comment"># Specify the web root inside the container</span>
<span class="t-key">root</span> <span class="t-val">*</span> <span class="t-str">/var/www/html</span>
<span class="t-comment"># Enable static file server to deliver HTML, CSS, JS</span>
<span class="t-key">file_server</span>
}
<span class="t-key">syncserver.koalastuff.net</span> {
<span class="t-key">reverse_proxy</span> <span class="t-val">KoalaSync:3000</span>
}</code></pre>
</div>
</div>
</div>
</div>
</section>
<section style="text-align: center; border-top: 1px solid var(--glass-border); padding: 6rem 0 2rem 0;">
<div class="container">
<h2 data-reveal style="font-size: 2.2rem; margin-bottom: 1rem;">
<span lang="en">Not convinced? See for yourself.</span>
<span lang="de">Noch nicht überzeugt? Überzeug dich selbst.</span>
</h2>
<p data-reveal style="margin-bottom: 3rem; color: var(--text-muted); max-width: 650px; margin-left: auto; margin-right: auto; line-height: 1.6; font-size: 1.05rem;">
<span lang="en">KoalaSync is 100% open source, ad-free and tracking-free. Audit our codebase on GitHub or install the browser extension directly.</span>
<span lang="de">KoalaSync ist zu 100 % Open Source, werbefrei und trackingsicher. Überprüfe unseren Code auf GitHub oder installiere direkt die Browser-Erweiterung.</span>
</p>
<div class="cta-group" data-reveal style="justify-content: center; gap: 1rem; margin-bottom: 1rem;">
<a href="https://chromewebstore.google.com/detail/koalasync/obbnmkmlaaddodakcbdljknjpagklifc" class="btn btn-primary">
<img src="assets/chrome.svg" alt="Chrome" width="20" height="20">
<span lang="en">Add to Chrome</span><span lang="de">Zu Chrome hinzufügen</span>
</a>
<a href="https://addons.mozilla.org/de/firefox/addon/koalasync/" class="btn btn-firefox">
<img src="assets/firefox.svg" alt="Firefox" width="20" height="20">
<span lang="en">Add to Firefox</span><span lang="de">Zu Firefox hinzufügen</span>
</a>
</div>
<a href="https://github.com/Shik3i/KoalaSync" target="_blank" data-reveal style="display: inline-block; text-decoration: none;">
<img src="assets/KoalaGithub-1x.webp" srcset="assets/KoalaGithub-1x.webp 250w, assets/KoalaGithub.webp 454w" sizes="(max-width: 768px) calc(100vw - 2rem), 250px" alt="A cute koala holding a GitHub repository page next to the GitHub mascot Octocat" class="cta-github-mascot" lang="en" width="250" height="165" loading="lazy">
<img src="assets/KoalaGithub-1x.webp" srcset="assets/KoalaGithub-1x.webp 250w, assets/KoalaGithub.webp 454w" sizes="(max-width: 768px) calc(100vw - 2rem), 250px" alt="Ein niedlicher Koala hält eine GitHub-Projektseite zusammen mit dem GitHub Maskottchen Octocat" class="cta-github-mascot" lang="de" width="250" height="165" loading="lazy">
</a>
<div class="cta-group" data-reveal style="justify-content: center; margin-top: 1rem;">
<a href="https://github.com/Shik3i/KoalaSync" target="_blank" class="btn btn-secondary" style="display: inline-flex; align-items: center; gap: 8px;">
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</section>
<footer>
<div class="container">
<p>&copy; 2026 KoalaSync. Open source under the MIT License.</p>
<p lang="en" style="font-size: 0.8rem; margin-top: 0.5rem;">No data is stored on our servers. Pure RAM-based relay.</p>
<p lang="de" style="font-size: 0.8rem; margin-top: 0.5rem;">Keine Daten werden auf unseren Servern gespeichert. Reines RAM-basiertes Relay.</p>
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<a href="impressum.html" style="color: var(--text-muted); text-decoration: none;"><span lang="en">Legal Notice</span><span lang="de">Impressum</span></a>
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