HTML Previewer

Live HTML editor with instant preview

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HTML1182 chars

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <style>
    * { margin: 0; padding: 0; box-sizing: border-box; }
    body {
      font-family: system-ui, -apple-system, sans-serif;
      background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 20px;
    }
    .card {
      background: white;
      border-radius: 16px;
      padding: 32px;
      max-width: 400px;
      box-shadow: 0 20px 40px rgba(0,0,0,0.2);
      text-align: center;
    }
    h1 { color: #333; margin-bottom: 8px; }
    p { color: #666; line-height: 1.6; }
    .btn {
      margin-top: 20px;
      padding: 12px 24px;
      background: #667eea;
      color: white;
      border: none;
      border-radius: 8px;
      cursor: pointer;
      font-size: 16px;
    }
    .btn:hover { background: #5a67d8; }
  </style>
</head>
<body>
  <div class="card">
    <h1>Hello World!</h1>
    <p>This is a sample HTML preview. Edit the code on the left to see live changes.</p>
    <button class="btn" onclick="alert('Button clicked!')">Click Me</button>
  </div>
</body>
</html>

Preview

Features

• Live preview with auto-refresh (or manual refresh)
• Device preview: Desktop, Tablet (768×1024), Mobile (375×667)
• Full HTML support including CSS and JavaScript
• Download your HTML file or copy to clipboard
• Fullscreen mode for distraction-free editing

What is an HTML Previewer?

An HTML previewer lets you write HTML, CSS, and JavaScript and see the rendered result in real time. It works like a lightweight CodePen or JSFiddle directly in your browser, perfect for prototyping and learning web development.

HTML Previewer

Features

What is an HTML Previewer?

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