Online CSS Minifier

Explore the power of web development with this free and online CSS minifier, which can help reduce your server's bandwidth by compressing/shrinking the size of your CSS files to remove redundant data while rendering the same in the client's browser



CSS Minifier General Info

Features Overview

  • Minify / compress / shrink CSS file size
  • Decrease wasted server bandwidth
  • Send CSS files to users quicker
  • Improve user experience and SEO

Usage Information

Support for all versions of the CSS standard

Does not interfere with how the page looks

CSS Minifier Advanced Info


Free and online tools like this CSS minifier, which can decrease the size of your CSS files have a wide range of varying use cases. An example of this is the CSS minifier can decrease page load time, this will improve your SEO and rank your website higher because search engines like Google and Bing factor in your website's load times when ranking your site. This minifier tool for CSS can also help to decrease your server bandwidth, which should be the goal of web developers as this ensures that their webservers do not waste unnecessery bandwidth which could increase their hosting costs. While minification of CSS files may prove to only save a small amount of data, if your website is serving alot of people then it could save you a significant amount of bandwidth while transferring CSS files

Decreasing the size of CSS files makes the files more optimized for storage and transport. On top of this, web browsers will use less memory when interacting with your site because the web browser will be caching the minified version of your CSS files. This makes the website less bloated, more user friendly and easier to run on lower end computers. The most pressing factor of this is the CSS minifier does not affect the way your page is rendered, this minifier takes care with ensuring your page will still look the same even after compressing your CSS

  • Decrease file size
  • Decrease server bandwidth
  • Faster loading for pages (better SEO and user experience)
  • Reduced browser memory required
  • Does not interfere with how the page looks


CSS minifiers may come with some downsides with its upsides, as most free and online tools do. Developers may struggle with reading minified or compressed code in production, this is because minifiers will make your CSS code harder to read and debug. It is recommended to only minify / compress CSS files which are in production, not in a debug environment where viewing and modifying them is a regular occurance. Minification can also add another build step when deploying your web application, this increases build time as it adds another step for the developer when moving code into production

  • Potentially harder to read
  • Difficult to debug in a production environment
  • Increased total build time