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CSS Formatter & Minifier

Format, beautify, or minify CSS code with proper indentation and optimization.

Format Options
CSS Input
css
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Formatted CSS
css
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CSS Formatter & Minifier - Professional Stylesheet Optimization

Professional CSS Formatter Tool

Transform unformatted CSS into properly organized, maintainable stylesheets with advanced formatting and minification capabilities. Designed for frontend developers, web designers, and CSS professionals requiring clean, optimized code for both development and production environments.

CSS Formatting: Critical for Web Performance

CSS formatting creates maintainable, efficient stylesheets that load quickly and perform optimally across all devices. Well-formatted CSS reduces file sizes, improves browser parsing speed, and makes complex styling systems more manageable for development teams.

Performance Impact

Minified CSS can reduce file sizes by up to 40%, directly improving page load times, Core Web Vitals scores, and overall user experience across web and mobile platforms.

Advanced CSS Processing Features

Smart Formatting

Intelligent indentation and spacing for selectors, properties, and media queries

CSS Minification

Remove whitespace, comments, and redundant code for optimal file sizes

Syntax Validation

Real-time CSS syntax checking and error detection

Responsive Optimization

Optimize media queries and responsive CSS for better performance

Performance Enhancement

Optimize CSS for faster rendering and improved Core Web Vitals

Export Options

Download optimized CSS files or copy to clipboard

CSS Formatter Technical Specifications

Core Features

  • Advanced CSS parsing with error recovery
  • Dual-mode operation: formatting and minification
  • Support for modern CSS3 and custom properties
  • Real-time syntax highlighting and validation
  • Handles large stylesheets and complex selectors

Implementation Details

  • Instant processing with live preview
  • Client-side processing for data security
  • No registration or account requirements
  • Privacy-focused local processing
  • Cross-platform compatibility