HTML Formatter
Format and beautify HTML code with customizable indentation levels. Clean up messy HTML, improve readability, and maintain proper code structure with client-side processing. Maximum input length is 300000 characters.
Processing Options:
What Is HTML
HTML is the core language used to build web pages. It gives structure to text, images, links, forms, and many other elements. Browsers read HTML and turn it into the pages people see and use each day. The language works through tags that mark each part of the page, which makes the content clear and organized.
Early History of HTML
HTML began in 1991 when Tim Berners-Lee created the first version to share documents on the early web. The language started with a small set of simple tags. These early pages focused on text and basic links. As more people came online, the need for stronger page structure grew, which pushed the language forward.
Growth Over Time
HTML gained new features as the web expanded. Tables, images, and forms arrived in the mid 1990s, which opened the door to richer sites. Later versions added audio, video, and cleaner rules for structure. HTML5 became the modern standard in 2014, bringing strong support for media, graphics, and apps built directly in the browser.
How This Tool Works
The HTML Formatter cleans and organizes HTML with automatic indentation and clear spacing. It lets you pick the indent size, such as two, four, or eight spaces, or tabs. You can format the code in place, open the result in a new window, or download a formatted file. The tool keeps all text between tags so the original content stays intact.
Best Practices
Use a consistent indent style during development to keep your team on the same page. Clean HTML helps you find missing or broken tags faster during debugging. Minified files work well in production, but formatted HTML supports clear development and faster updates. Well organized code also shortens maintenance time and improves long term understanding.