Code / Developer tools

HTML Formatter

Format, beautify, and indent dirty HTML code into clean structured markup.

DEV UTILITY RFC-822 / W3C STANDARD

code

Example_Template.html EXAMPLE 458 Characters • 1 Line

upload_file Upload .html

Indent:

Wrap:

Format CSS/JS Indent <head>/<body>

Input HTML (Raw / Unformatted)

1 line • 458 characters UTF-8

Formatted Output (Structured 2-space)

1
2
3
4
5
6
7
8
9
10
11
12
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14
15
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21

<article class="card featured" id="post-109">
  <header class="card-header">
    <span class="badge">Featured Article</span>
    <h2 class="title">Future of Developer Ergonomics</h2>
    <div class="meta">
      <time datetime="2025-05-15">May 15, 2025</time>
      <span class="reading-time">5 min read</span>
    </div>
  </header>
  <div class="card-body">
    <p>
      Precision, compact layouts, and hyper-responsive toolkits redefine modern workstation environments.
    </p>
    <a href="/read/future-ergonomics" class="btn btn-primary">
      Read Post
    </a>
  </div>
</article>

18 lines • Indentation valid

check_circle Clean Markup

auto_fix_high Applies recursive tree parsing with strict tag nesting and attribute formatting.

HOW TO USE

Make HTML readable

Paste or upload HTML, choose indentation and line wrapping, then press Format HTML. Copy or download the escaped code output.

Example

<article><p>Hello</p></article> is displayed on separate indented lines.

Before you use the result

This is a formatter, not an HTML validator or sanitizer. Formatting does not make untrusted HTML safe to execute.