Format or minify HTML

Format or minify your code in HTML locally in your browser using WebAssembly.

Format your code now!
<!-- Welcome to HappyFormatter! -->
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>HappyFormatter</title>
  <style>
    body {
      font-family: Arial, sans-serif;
      background-color: #f0f0f0;
      margin: 0;
      padding: 20px;
    }
  </style>
</head>
<body>
  <h1>Welcome to HappyFormatter!</h1>
  <p>Type or paste HTML here, and HappyFormatter will format your code.</p>
  <footer>
    <p>&copy; 2024 HappyFormatter</p>
  </footer>
</body>
</html>
Valid html
<!-- Welcome to HappyFormatter! -->
<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>HappyFormatter</title>
    <style>
    body {
      font-family: Arial, sans-serif;
      background-color: #f0f0f0;
      margin: 0;
      padding: 20px;
    }
    </style>
  </head>
  <body>
    <h1>Welcome to HappyFormatter!</h1>
    <p>Type or paste HTML here, and HappyFormatter will format your code.</p>
    <footer>
      <p>&copy; 2024 HappyFormatter</p>
    </footer>
  </body>
</html>

HTML Formatter


Happy Formatter's HTML Formatter and HTML Validator help to auto format HTML code and validate your HTML text.

  • HTML formatter online is the best tool to format HTML data.
  • HTML minifier online is the best tool to minify HTML data.
  • It helps to validate HTML online with error messages.
  • It's also a HTML Beautifier that supports indentation levels: 2 spaces, 3 spaces, and 4 spaces.
  • Supports printing of HTML data.
  • Stores data locally for the last HTML formatted in the browser's local storage. This can be used as a Notepad++, Sublime, or VSCode alternative for HTML beautification.
  • This HTML online formatter can also work as HTML Lint.
  • Use the auto switch to turn auto-update on or off for beautification.
  • It uses WebAssembly (WASM) to beautify HTML, making it easy for a human to read and analyze.
  • Download HTML once it's created or modified, and it can be opened in Notepad++, Sublime, or VSCode alternative.
  • HTML Format Checker helps to fix the missing quotes; click the setting icon which looks like a screwdriver on the left side of the editor to fix the format.

Know more about html:

  • HTML is a markup language used for structuring and presenting content on the World Wide Web.
  • HTML stands for Hyper Text Markup Language.
  • HTML is the standard markup language for creating Web pages.
  • HTML describes the structure of a Web page.
  • HTML consists of a series of elements.
  • HTML elements tell the browser how to display the content.
  • HTML elements label pieces of content such as 'heading', 'title', 'paragraph', 'list', 'image', 'video', etc.

HTML Validator


HTML Validator Online checks the integrity/syntax of the HTML data based on HTML Specifications.

  • It's super easy to find the error when line numbers are highlighted with an in-detail error description.
  • Use the format button as a HTML Fixer to repair the error.
  • To validate HTML you just need internet and no need to install any software.
  • Your HTML data gets validated in the browser itself.

Frequently Asked Questions

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