CSS Beautifier Online

This CSS beautifier formats minified or messy CSS into readable, consistent styles. The tool runs entirely in your browser so there is no install or server upload. Paste your CSS, pick formatting options, and get a tidy CSS output you can copy or download.

Key features

  • Instant CSS formatting in the browser
  • Indent size and indent character options
  • Control brace style and selector newlines
  • Rule spacing and empty line handling
  • Keep or normalize end of line characters
  • Free to use with no signup required

How to use this CSS beautifier

  1. Paste raw, minified, or cluttered CSS into the left editor.
  2. Choose your preferences for indent size, indent char, brace style, and selector newline.
  3. Click the Beautify CSS or Format CSS button to run the css formatter online in your browser.
  4. Copy or download the formatted CSS from the right editor.

Example 1: Simple Stylesheet (Raw vs Beautified)

Minified CSS

Copy
body{margin:0;padding:0;background:#fff}h1{font-size:24px;color:#222}

Beautified CSS

Copy
body {
    margin: 0;
    padding: 0;
    background: #fff;
}

h1 {
    font-size: 24px;
    color: #222;
}

Example 2: Component with Rules and Nested Selectors

Minified CSS

Copy
.card{display:block;padding:10px;border:1px solid #ddd}.card .title{font-weight:bold}.card .body p{margin:0}

Beautified CSS

Copy
.card {
    display: block;
    padding: 10px;
    border: 1px solid #ddd;
}

.card .title {
    font-weight: bold;
}

.card .body p {
    margin: 0;
}

Customization options

Below table lists all available settings you can adjust to get the exact output you want.

Option Default Description
Indent Size 4 Number of spaces or tabs per indentation level in the formatted CSS.
Indent Char Space Character used for indenting. Choose tabs or spaces to match project style.
Use Tabs False Use tabs for indenting css style rules.
EOL New Line End of line character for the formatted output.
Ending With Newline False Add a trailing newline at the end of the formatted file for POSIX friendliness.
Brace Style Collapse Where to place opening braces.
Selector Newline True Place each selector on its own line when multiple selectors are used.
Rule Spacing True Number of blank lines between rule sets to improve readability.
Indent Empty True When true, empty rules keep an indentation line to preserve structure in diffs.

Why choose this free CSS formatter

This CSS beautifier online offers a fast, private way to format CSS in your browser. No upload is required. The tool supports granular customizations that match common developer workflows. Use it for quick fixes, code reviews, or to make diffs cleaner before committing code.

Best practices for SEO and workflow

  • Run the css formatter before committing so your repository has consistent style.
  • Include comments for sections in large stylesheets to help audits and maintenance.
  • When publishing CSS for critical pages, minify the beautified CSS as part of your build step to reduce payload size.
  • Use descriptive alt and title attributes for images used with CSS background images for accessibility and SEO.
  • Store formatted source in version control and generate minified assets in CI to avoid whitespace churn in diffs.

Conclusion

Use this css beautifier to make styles more readable and maintainable. The tool is free and runs in the browser. Adjust indentation, brace style, selector newline, and rule spacing to match your team conventions. Paste, format, copy, and ship cleaner CSS in seconds.