Back to Free Tools

CSS Minifier

Developer Tool
Compress
Optimize
Multiple Files
Export

Start Using

Minification Options

About this Tool

Compress and optimize your CSS code. Remove whitespace, comments, and shorten colors to reduce file size.


What is CSS Minification?

CSS minification is the process of removing unnecessary characters from CSS code without changing its functionality. This includes removing whitespace, line breaks, comments, and optimizing color codes. Minified CSS files are smaller, load faster, and improve overall website performance.

Why Minify CSS?

  • Faster Page Load Times: Smaller CSS files download and parse faster
  • Reduced Bandwidth: Less data transferred saves hosting costs
  • Improved Performance: Faster CSS parsing improves render times
  • Better SEO: Page speed is a crucial ranking factor

Minification Options Explained

Remove Comments

CSS comments are helpful during development but unnecessary in production. Removing them reduces file size without affecting functionality.

Remove Whitespace

Removes all unnecessary whitespace. This provides the most significant size reduction.

Shorten Colors

Converts 6-digit hex colors to 3-digit equivalents when possible (e.g., #AABBCC becomes #ABC).

Performance Impact

CSS minification typically reduces file size by 30-50%, depending on the original formatting.

Use this Tool

Category

Developer Tool

Access

Web Browser