DirtyMarkup: HTML Beautifier

DirtyMarkup is the web's premier HTML beautifier. Used by millions of users around the world, our site and API has formatted HTML, CSS, and Javascript across nearly a billion lines of code.

HTML

CSS

API

Indent with

Preferred line length

Output

Indent

Brace style

Add empty lines for clarity

Allow proprietary attributes

Optimize for MS Word HTML

Newline between rules

Newline between selectors

Add spaces in parenthesis

Break chained methods

Commas at beginning of line

Keep array indentation

Preserve empty lines

The DirtyMarkup API

Clean your code programmatically using the new REST API.

View documentation

Third-party Tools

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Cleaning dirty code since 2009™
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