DevToolKit

CSS Formatter & Minifier - Beautify CSS Code Free Online

Beautify, format, or minify your CSS code instantly. Clean up messy stylesheets, sort properties alphabetically, and optimize file size.

Beautify Mode
Rules:4
Properties:11

Format Settings

A-Z sorting
Line between blocks
Remove whitespace
Remove /* */
Smart Sorting

Property sorting automatically skips blocks with inline comments to preserve complex stylesheet logic perfectly.

Formatted Output
/* Example CSS */
.card {
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
}

body {
  background: #fafafa;
  font-family: Inter, sans-serif;
  margin: 0;
}

@media (max-width: 600px) {
  .card {
    flex-direction: column;
    padding: 1rem;
  }
}
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How to Use

A CSS formatter (or beautifier) is a tool that takes messy, minified, or disorganized CSS code and restructures it into a clean, readable, and standardized format.

How to use the CSS Formatter

  1. Paste your CSS: Paste your unformatted or minified CSS code into the left editor pane.
  2. Adjust settings: Use the sidebar to customize your indentation style (spaces vs. tabs).
  3. Sort Properties: Toggle the sort feature to arrange your CSS properties in alphabetical order.
  4. Minify: Switch to minify mode if you need to compress your CSS for production environments.
  5. Export: Copy the result to your clipboard or download it as a .css file.

About This Tool

Why Sort CSS Properties?

Sorting CSS properties alphabetically is a best practice that drastically improves codebase maintainability. When properties are sorted, developers can scan declaration blocks much faster, instantly knowing exactly where a property like z-index or color will be located.

Furthermore, strict property ordering prevents common Git merge conflicts that occur when two developers independently add different properties to the end of the same rule block. Our formatter includes a safe, intelligent sorter that skips blocks with complex inline comments to ensure your styling logic is never corrupted.

Why Use This Tool

Formatting vs. Minifying

Formatting focuses on developer ergonomics. It adds whitespace, enforces consistent indentation, and aligns braces to make the codebase human-readable. This is essential during development, code reviews, and debugging.

Minifying, on the other hand, is built for performance. It strips away all non-essential characters—like spaces, line breaks, comments, and trailing semicolons—producing a machine-readable string. You should always minify your CSS before deploying to production to minimize file size and accelerate page rendering.

FAQ

Can it sort CSS properties alphabetically?
Yes. Enable alphabetical sorting to organize properties within each CSS rule, making it easier to find and maintain styles.
Does it support modern CSS like nesting and container queries?
Yes. The formatter handles modern CSS syntax including native nesting, container queries, cascade layers (@layer), and logical properties.
Is my CSS code sent to a server?
No. All formatting and minification happens locally in your browser. Your CSS code never leaves your device.
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