HTML sandbox

HTML Live Playground

Paste HTML markup, press play, and instantly preview the result in a smartphone-friendly live canvas.

HTML

HTML editor

Auto play

<!doctype html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Live HTML Demo</title>
    <style>
      :root {
        color-scheme: light;
        font-family: Inter, system-ui, sans-serif;
      }

body {
        margin: 0;
        min-height: 100vh;
        display: grid;
        place-items: center;
        background: radial-gradient(circle at top, #eef2ff, #c7d2fe 45%, #0f172a 100%);
        color: #0f172a;
      }

.card {
        width: min(92vw, 360px);
        padding: 24px;
        border-radius: 24px;
        background: rgba(255, 255, 255, 0.92);
        box-shadow: 0 24px 60px rgba(15, 23, 42, 0.24);
      }

h1 {
        margin: 0 0 12px;
        font-size: 1.75rem;
      }

p {
        margin: 0 0 16px;
        line-height: 1.6;
      }

button {
        border: 0;
        border-radius: 999px;
        padding: 12px 16px;
        background: linear-gradient(135deg, #4f46e5, #7c3aed);
        color: white;
        font: inherit;
      }
    </style>
  </head>
  <body>
    <main class="card">
      <h1>Hello mobile web ✨</h1>
      <p>Paste your HTML on the left, press play, and test ideas instantly.</p>
      <button onclick="document.body.style.background='linear-gradient(135deg,#fef3c7,#fca5a5)'">
        Tap me
      </button>
    </main>
  </body>
</html>

Preview

Live mobile preview

Live updates on

The preview uses an isolated iframe so you can test output safely while mimicking a mobile device.

How to use HTML Live Playground

HTML Live Playground is an online tool that helps you Paste HTML, tap play, and preview the result live in a mobile-first workspace. Everything lives on a dedicated page, so you can open it again later or share it with a direct link.

This page is linked from the See the full tools index index and from related utilities, which keeps it easy to reach for both users and crawlers. If you need a fast workflow, you can use it immediately without sign-up.

This page keeps readable content, a stable URL, and internal links to other tools on the site. That is the right setup to improve discovery and support long-term organic indexing.

HTML Live Playground

HTML editor

Live mobile preview

How to use HTML Live Playground

FAQ