HTML Beautifier & Formatter Online
This HTML beautifier cleans and formats messy or minified markup into readable, consistent HTML. The tool runs entirely in your browser so there is no installation or command line work. Paste your markup, pick formatting options, and get a tidy HTML output you can copy into your project or local device.
Key features
- Instant HTML formatting in the browser
- Options for indent size and indentation type
- Attribute wrapping to avoid very long lines
- Inline tag control and configurable unformatted tags
- Support for HTML5, XHTML style adjustments, and templating engines
- Free to use with no signup required
How to use this HTML beautifier
- Paste raw, minified, or cluttered HTML into the left editor.
- Set your preferences for indent size, attribute wrapping, and inline tag handling.
- Click the Beautify HTML button to run the HTML formatter online in your browser.
- Copy or Download the formatted HTML from the right editor.
Example 1: Simple Layout (Raw vs. Beautified)
Minified HTML
<div class=container><header><h1>Sample Page</h1><p>Nested HTML example</header><main><section><article><h2>Article Title</h2><p>Some sample text inside the article.<div class=details><span>Author: John Doe</span> <span>Date: 2025-08-19</span></div></article></section></main><footer><p>© 2025 Example Footer</footer></div>
Formatted HTML Markup
<div class=container>
<header>
<h1>Sample Page</h1>
<p>Nested HTML example
</header>
<main>
<section>
<article>
<h2>Article Title</h2>
<p>Some sample text inside the article.
<div class=details><span>Author: John Doe</span> <span>Date: 2025-08-19</span>
</div>
</article>
</section>
</main>
<footer>
<p>© 2025 Example Footer
</footer>
</div>
Example 2: Component with Attributes (Raw vs. Beautified)
Minified HTML
<custom-card data-title="Card" data-id="42" class="card"><div class="card-header"><h2>Header</h2></div><div class="card-body"><p>Content</p></div><div class="card-footer"><button onclick="alert('OK')">OK</button></div></custom-card>
Beautified HTML
<custom-card data-title="Card" data-id="42" class="card">
<div class="card-header">
<h2>Header</h2>
</div>
<div class="card-body">
<p>Content</p>
</div>
<div class="card-footer">
<button onclick="alert('OK')">OK</button>
</div>
</custom-card>
Beautify HTML with Customizations
Beautify your HTML code with these extensive customizations as per your coding style or project needs. Below table contains all available settings:
| Option | Default | Description |
|---|---|---|
| Indent Size | 4 | Number of spaces or tabs for each indentation level in the formatted HTML. |
| Indent Char | Space | Character used for indentation (space or tab). |
| Use Tabs | False | Enable tabs instead of spaces for indentation. |
| EOL | LF | End-of-line character (LF, CR, or CRLF). |
| Ending Newline | False | Add a newline at the end of the formatted output. |
| Keep Linebreaks | True | Preserve existing line breaks in the original code. |
| Indent Level | 0 | Starting indentation level for the entire document. |
| Wrap Length | 120 | Maximum characters per line before wrapping. |
| Max Newlines | 10 | Maximum consecutive newlines allowed in the output. |
| Indent <html> | False | Indent content within the <html> tag. |
| Indent <body> | False | Indent content within the <body> tag. |
| Indent <head> | False | Indent content within the <head> tag. |
| Indent Templating | False | Handle indentation for templating languages (e.g., PHP in WordPress). |
| Wrap Attrs | Auto | Wrap long attributes onto multiple lines. |
| Wrap Indent | 4 | Indentation for wrapped attributes. |
| Keep Attr Breaks | False | Preserve line breaks in attributes from the original code. |
| Unformatted Tags | a,span,b,i,u | Tags whose content should not be formatted (e.g., inline elements). |
| Skip Content | - | Tags to skip formatting entirely (e.g., code blocks). |
| Extra Liners | head,body | Tags that get an extra newline before them. |
| Inline Tags | - | Tags treated as inline (no newlines around them). |
| Templating Engines | auto | Detect and support templating engines like PHP or Angular. |
These options make this tool the most versatile HTML formatter online, allowing you to fine-tune outputs for specific needs like Angular HTML formatter or Sublime Text-style formatting.
Why Choose this Free HTML Formatter Over Others?
In a sea of tools, this free and online HTML beautifier stands out as the best due to its browser-based convenience, zero-cost access, and advanced customization options.
Unlike Sublime Text or VS Code HTML formatter plugins or downloadable software, this tool requires no setup and works seamlessly on mobile or desktop.
Best practices for HTML beautification and formatting
- Run an HTML or HTML5 formatter before commits
- Use a single indent style when you beautify
- Preserve semantic tags and heading order
- Beautify inline CSS and JavaScript as needed
- Keep formatted files tracked in version control
- Enforce the formatter with a pre commit or CI step
- Validate HTML after formatting
- Minify output for production after you beautify
- Add descriptive alt and title attributes to images
- Avoid reformatting unrelated files to reduce noisy diffs
Conclusion
Elevate your web development game with our exceptional HTML beautifier online, the free, browser-based solution to beautify HTML code, format messy markup, and achieve flawless readability.