LESS / CSS - minify css file

In this short article, we want to show how to compress *.css files with lessc command.

Quick solution:

lessc input_file.css --clean-css="--s1 --advanced" > output_file.min.css

Note: read the below description to know how to install lessc command.

Screenshot:

lessc installation instruction

To install lessc it is necessary to do few steps:

1. be sure that NodeJS is installed (installation instruction for Windows is available here),
    
2. install less using:

   npm install -g less

    
3. install lessc using:

   npm install -g less-plugin-clean-css

   Example output:

   + less-plugin-clean-css@1.5.1
   added 6 packages from 39 contributors in 1.858s

    
4. now we can use lessc command (go back to Quick solution).

See also

1. SCSS - compile and minify to css file

References

1. less-plugin-clean-css - npm