CSS Minifier / Beautifier

Minify CSS to reduce file size or beautify it for readability. All processing happens in your browser.

Input CSS
Output

Minify CSS

Remove comments, whitespace, and unnecessary characters to reduce file size.

Beautify CSS

Add proper indentation and line breaks to make compressed CSS readable.

Size Comparison

See original and output sizes with compression ratio.

How to Use the CSS Minifier / Beautifier

  1. 1.Paste CSS into the Input CSS panel.
  2. 2.Select Minify or Beautify mode.
  3. 3.Click the action button to process.
  4. 4.Review the compression ratio.
  5. 5.Click Copy to copy the result.

Frequently Asked Questions

What is CSS minification?

Removing unnecessary characters without changing functionality to reduce file size.

What is CSS beautification?

Adding indentation, line breaks, and spacing to make compressed CSS readable.

How much can minification reduce?

Typically 15-40% depending on original formatting.

Is my CSS sent to a server?

No. All processing is local in your browser.