DOM Visualizer

Paste HTML code and instantly visualize its Document Object Model structure.

Input HTML

<!DOCTYPE html>
<html lang="en">
<body>
  <header>
    <h1>Welcome to My Website</h1>
    <p>This is a simple HTML example.</p>
  </header>
  <main>
    <h2>About Me</h2>
    <p>I am learning HTML and web development.</p>
    <button>Click Me</button>
    <h2>My Favorite Things</h2>
    <ul>
      <li>Coding</li>
      <li>Gaming</li>
      <li>Music</li>
    </ul>
  </main>
  <footer>
    <p>&copy; 2026 My Website</p>
  </footer>
</body>
</html>

<!DOCTYPE html>
<html lang="en">
<body>
  <header>
    <h1>Welcome to My Website</h1>
    <p>This is a simple HTML example.</p>
  </header>
  <main>
    <h2>About Me</h2>
    <p>I am learning HTML and web development.</p>
    <button>Click Me</button>
    <h2>My Favorite Things</h2>
    <ul>
      <li>Coding</li>
      <li>Gaming</li>
      <li>Music</li>
    </ul>
  </main>
  <footer>
    <p>&copy; 2026 My Website</p>
  </footer>
</body>
</html>

DOM Tree View

No tree data available

ABOUT DOM VISUALIZER

Instantly visualize your HTML code as an interactive Document Object Model (DOM) tree diagram. Perfect for developers, students, and SEOs trying to understand the nested structure of web pages.

HOW TO USE DOM VISUALIZER

01

Input HTML

Paste any HTML snippet or a full document into the code editor on the left.

02

Parse Safely

Click Visualize. We use your browser's native DOM parser to securely build the node structure without sending your code to any server.

03

Explore the Tree

Interact with the generated tree diagram. You can pan, zoom, and expand or collapse nodes to navigate complex layouts easily.

WHY USE OUR FREE DOM VISUALIZER?

Client-Side Privacy

All parsing and visualization happens directly in your browser. Your code is completely private and secure.

Syntax Highlighting

Our integrated editor highlights your HTML markup, making it easy to spot missing tags or typos before visualizing.

Interactive Canvas

Easily navigate massive DOM trees using intuitive drag-to-pan and scroll-to-zoom controls.

Free for Developers

No limits or subscriptions. An essential free tool for front-end developers debugging layouts.

FREQUENTLY ASKED QUESTIONS

What is the DOM?

The Document Object Model (DOM) is a programming interface for web documents. It represents the page so that programs can change the document structure, style, and content. The DOM represents the document as nodes and objects; that way, programming languages can interact with the page.

Can I visualize partial HTML snippets?

Yes. If you paste a partial snippet (like a single <div>), the parser will automatically wrap it in the standard HTML and BODY tags to create a valid, complete DOM tree.

Is my HTML code sent to a server?

No. The DOM Visualizer uses your browser's built-in parsing engine (DOMParser) to process the code locally. Your HTML never leaves your device.

Why does the tree show #text nodes?

In the DOM, any text between HTML tags is considered a distinct Text Node. We display these so you can accurately see where the content lives within your element hierarchy.

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