CleanCSS
CleanCSS, commonly written as clean-css, is an open-source CSS minifier and optimizer for Node.js. It provides a library API and a command-line interface that streamlines reducing CSS file size. The tool minimizes CSS by removing comments and unnecessary whitespace, while applying optimizations such as merging identical selectors, shortening zero values, optimizing shorthand properties, and rewriting color values. It can also rebase URL references when configured and generate source maps to aid debugging.
CleanCSS is designed to be fast and suitable for integration into build pipelines. It is used in
Options provided by CleanCSS cover its level of optimization and compatibility. Users can control whether to
CleanCSS is released under an open-source license (MIT) and is maintained on its GitHub repository with contributions