CSS Formatter

Format CSS stylesheets with consistent indentation, newlines, and property ordering.

100% Client-Side Local Execution

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body{margin:0;padding:0}h1{color:#333;font-size:2rem}.btn{display:inline-block;padding:10px 20px;background:#007bff;color:#fff;border-radius:4px}

body{margin:0;padding:0}h1{color:#333;font-size:2rem}.btn{display:inline-block;padding:10px 20px;background:#007bff;color:#fff;border-radius:4px}

body {
  margin:0;
  padding:0;
}

h1 {
  color:#333;
  font-size:2rem;
}

.btn {
  display:inline-block;
  padding:10px 20px;
  background:#007bff;
  color:#fff;
  border-radius:4px;
}

body {
  margin:0;
  padding:0;
}

h1 {
  color:#333;
  font-size:2rem;
}

.btn {
  display:inline-block;
  padding:10px 20px;
  background:#007bff;
  color:#fff;
  border-radius:4px;
}

What is CSS Formatter?

This CSS formatter online tool takes inconsistent, cramped, or minified CSS and rewrites it with standardized indentation, spacing, and line breaks. It's the go-to way to format CSS code pulled from third-party libraries, legacy files, or minified bundles into something your team can actually review. As a css code formatter, it focuses purely on layout and style, not on changing your actual rules.

Technical Execution

The formatter tokenizes your stylesheet into selectors and declaration blocks, then rebuilds the text with consistent 2-space (or configurable) indentation, one declaration per line, and spacing around colons and braces. It's a pure text-restructuring operation — no CSS properties, values, or specificity are modified, only the characters between them.

Zero Data Storage Guarantee

Formatting happens entirely in-browser via JavaScript; your stylesheet content never leaves your device or touches a remote server, so proprietary or pre-launch styles stay private.

How to Use CSS Formatter (Step-by-Step Guide)

Paste or upload your CSS file into the editor.
The formatter instantly restructures it with clean indentation.
Scroll through the formatted result to verify readability.
Copy the formatted CSS to your clipboard.
Paste it into your project or download it as a file.

Frequently Asked Questions (FAQ)

Q: Can I format CSS online without signing up?

A: Yes, there's no account or installation required — paste your CSS and get formatted output immediately in your browser.

Q: Does formatting CSS change its behavior?

A: No, formatting only affects whitespace, indentation, and line breaks; the rendered page output stays exactly the same.

Q: What indentation style does the formatter use?

A: It applies consistent, standard 2-space indentation with each property on its own line and a newline before opening braces.

Q: Can this fix broken or invalid CSS syntax?

A: No, it reformats valid structure but doesn't repair syntax errors like missing braces or invalid property names — you'll need to fix those manually.

Q: Is this different from a CSS minifier?

A: Yes, a formatter expands CSS for readability while a minifier compresses it for smaller file size — they do opposite jobs.

Q: Can I format SCSS or LESS files here?

A: This tool is built for plain CSS syntax; for SCSS or LESS-specific formatting, use the dedicated preprocessor converters.

Q: Will my comments be preserved?

A: Yes, comments in your original CSS are kept in place during formatting, unlike minification which strips them.

Q: Is there a size limit on the CSS I can format?

A: No hard limit — very large files simply take a moment longer since processing happens locally in your browser.

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