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CSS Formatter

Instantly format and beautify CSS code with our free online tool. Features customizable indentation, minification, and syntax validation. Perfect for cleaning and organizing CSS stylesheets.

100% FreeInstant FormattingNo RegistrationPrivacy FocusedReal-time

Instantly format and beautify CSS code with our free online tool. Features customizable indentation, minification, and syntax validation. Perfect for cleaning and organizing CSS stylesheets.

All processing happens in your browser - no data is sent to any server. Format unlimited files with confidence, knowing your code remains private and secure.

99%
Formatting Accuracy
2M+
CSS Files Formatted
5+
Indentation Options
24/7
Availability

Key Features

Customizable Indentation

Choose between 2, 4, or 8 spaces for perfect code alignment.

CSS Minification

Reduce file size by removing unnecessary whitespace and comments.

Syntax Validation

Catch and highlight CSS syntax errors while formatting.

One-Click Copy

Copy formatted CSS to clipboard with a single click.

Examples

Basic CSS Formatting:

Simple CSS formatting with proper indentation and spacing.

Input:

.header{background:#1d1d1f;padding:20px 0}
.header .logo{display:flex;align-items:center}
.nav{display:flex;gap:20px}

Output:

.header {
  background: #1d1d1f;
  padding: 20px 0;
}

.header .logo {
  display: flex;
  align-items: center;
}

.nav {
  display: flex;
  gap: 20px;
}

Media Queries and Complex Selectors:

Formatting complex CSS with media queries and advanced selectors.

Input:

@media (max-width:768px){.header{padding:15px}.nav{flex-direction:column}}
#main > .content + .sidebar[data-visible="true"]{display:grid;grid-template-columns:1fr}

Output:

@media (max-width: 768px) {
  .header {
    padding: 15px;
  }
  
  .nav {
    flex-direction: column;
  }
}

#main > .content + .sidebar[data-visible="true"] {
  display: grid;
  grid-template-columns: 1fr;
}

How to Use

1

Paste CSS Code

Copy your CSS code and paste it into the input area, or use the Load Sample button to try with example code.

2

Choose Formatting Options

Select your preferred indentation size from the dropdown menu (2, 4, or 8 spaces).

3

Format or Minify

Click "Format CSS" for beautified code or "Minify CSS" for compressed code without whitespace.

4

Copy Result

Review the formatted CSS and use the "Copy to Clipboard" button to copy the result.

Frequently Asked Questions

What does the CSS Formatter do?

Our CSS Formatter beautifies and organizes CSS code by adding proper indentation, consistent spacing, and proper line breaks. It also offers minification to reduce file size and validates syntax to catch potential errors.

Is my CSS code secure when using the formatter?

Yes! All formatting happens directly in your browser. We never store or transmit your CSS code to any server, ensuring 100% privacy and security.

Can I customize the formatting style?

Yes! You can choose between different indentation sizes (2, 4, or 8 spaces) to match your preferred coding style. The formatter also maintains consistent spacing and organization.

Does it support all CSS features?

Yes, our formatter supports all modern CSS features including flexbox, grid, custom properties, media queries, keyframes, and complex selectors. It handles both simple and complex stylesheets effectively.

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