* { CSS:resetr } : To help you find the perfect CSS-reset styles, CSSresetr lets you try all the best CSS Resets on a variety of web pages – even your own.
UnCSS : UnCSS is a tool that removes unused CSS from your stylesheets. It works across multiple files and supports Javascript-injected CSS.
📦 Parcel : Blazing fast, zero configuration web application bundler
PurgeCSS : PurgeCSS is a tool to remove unused CSS. It can be part of your development workflow.
stylelint : A mighty, modern CSS linter that helps you enforce consistent conventions and avoid errors in your stylesheets.
csscss will parse any CSS files you give it and let you know which rulesets have duplicated declarations.
