CSS Formatter

Format, beautify, and minify CSS code with custom indentation and spacing.

  • 100% free
  • Private in browser
  • No signup
  • No watermarks
306 bytes

Beautified CSS

366 bytes • 4 rules
/* Sample CSS */
header.main-nav {
  background: #1e293b;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between
}

header.main-nav.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: #38bdf8;
  text-decoration: none
}

@media(max-width:768px) {
  header.main-nav {
    flex-direction: column;
    padding: 8px 16px
  }
}

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About CSS Formatter

Clean up messy, unformatted, or minified CSS stylesheets instantly in your browser. CSS Formatter on TheToolss formats rules with consistent indentation (2 spaces, 4 spaces, or tabs), sorts declaration properties alphabetically, and strips unnecessary comments or whitespace when minifying. Ideal for frontend developers and web designers.

How to use CSS Formatter

  1. Paste your raw, messy, or minified CSS into the input editor.
  2. Select your preferred indentation (2 spaces, 4 spaces, or tabs) and formatting mode.
  3. Optionally enable "Sort CSS properties alphabetically".
  4. Copy the formatted CSS or download it as a .css file.

Key features

  • CSS Beautifier and Minifier modes
  • Alphabetical property sorting option
  • Customizable indentation (2/4 spaces or tab)
  • Real-time rule and byte size counter
  • 100% private in-browser formatting

Frequently asked questions

Is CSS Formatter free?
Yes. Format and beautify unlimited CSS files free on TheToolss.
Can this tool minify CSS as well?
Yes. Switch the mode to Minify to strip all extraneous whitespace and comments for production.
Does it support nested CSS rules and media queries?
Yes. Media queries (@media), keyframes, and nested rule blocks are formatted with clean indentation.
Is my CSS code uploaded to a server?
No. All parsing and formatting happen entirely client-side in your browser.
Is my data uploaded or stored?
For browser-side tools, calculations and file processing stay on your device. Nothing you type is stored on our servers for that path.
CSS Formatter & Beautifier Online Free | TheToolss