Toolhaus

Code Beautifier

Beautify and indent HTML, CSS and JavaScript.

Paste minified or messy HTML, CSS or JavaScript and get clean, consistently indented code. Choose the language and indent size. Perfect for reading un-minified bundles or tidying snippets before committing. Everything runs in your browser — nothing is uploaded.

Formatted code
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Formula & methodology

Uses the js-beautify engine to re-indent and normalize whitespace for the selected language without changing behavior.

Worked example

  • a{color:red} → a { color: red }

Frequently asked questions

Which languages are supported?

HTML, CSS and JavaScript (including JSON-like objects).

Does it change my code’s behavior?

No. It only reformats whitespace and indentation; the code’s meaning stays the same.

Privacy

All processing happens locally in your browser. Your data is never uploaded.

Read the practical guide for this category.

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