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CSS Formatter/Minifier

Format or minify CSS stylesheets

■ 01

What is CSS?

CSS (Cascading Style Sheets) is a stylesheet language used to describe the presentation of HTML documents. It controls layout, colors, fonts, and overall visual appearance of web pages.

■ 02

How does it work?

Formatting parses CSS rules and adds consistent indentation, line breaks after braces and semicolons, and spacing around selectors. Minifying does the opposite: removing comments, collapsing whitespace, and eliminating…

■ 03

Sample Cases

Covers Simple CSS rule, Multiple selectors, and With comments so you can compare common inputs and outputs quickly.

/ Code

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/ Integration

Source code from the selected tool, shown here alongside the live version on the right.

/ Source Code

TypeScript

typescript

// No external dependencies needed - uses built-in string manipulation

function formatCss(css: string): string {
  if (!css.trim()) return '';

  let formatted = css;

  // Remove comments
  formatted = formatted.replace(/\/\*[\s\S]*?\*\//g, '');