Tool description

CSS Optimizer is a free CSS optimizer tool that helps you compress CSS file online to make your stylesheets load faster on websites. This powerful tool shows you how to compress CSS files by intelligently removing unnecessary characters, combining similar rules, and optimizing your code while preserving its functionality. Simply paste your CSS, adjust the settings to your preference, and get smaller, more efficient CSS instantly with our tidy CSS online solution.

Use cases

  • Speed up website loading times by reducing CSS file size
  • Prepare CSS for production environments
  • Optimize stylesheets for mobile and low-bandwidth users
  • Clean up messy or auto-generated CSS
  • Reduce bandwidth costs by minimizing CSS payload
  • Compare different optimization settings for best results

Features

  • Restructuring option to rewrite rules for better compression
  • Comment preservation options (keep all, keep first, or remove all)
  • Formatting option using Prettier for readable output
  • Real-time size comparison between original and optimized code
  • Instant optimization as you type or change settings