Transform CSS with the power of JavaScript. Auto-prefixing, future CSS syntaxes, modules, linting and more are possible with hundreds of PostCSS plugins.
PostCSS is a tool for transforming CSS with JavaScript. It allows developers to use future CSS features today, by converting modern CSS into a format that most browsers can understand. It's highly customizable through plugins, enabling a wide range of functionality from linting CSS, supporting variables and mixins, to inlining images and more.
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Automatically adds vendor prefixes to CSS rules using values from Can I Use.
Enables CSS Modules, a CSS file in which all class and animation names are scoped locally by default.
Allows CSS rules to be nested within each other, following the Sass syntax.
Supports CSS variables and custom properties for more dynamic stylesheets.
Lets you use future CSS syntax today, ensuring your stylesheets are forward-compatible.
Integrates with stylelint to catch errors in your CSS and enforce consistent conventions.
Reduces the size of your CSS files for faster loading times.
Generates source maps for easier debugging of your CSS.
PostCSS boasts a rich ecosystem of plugins, allowing for extensive customization and functionality.
Known for its fast processing times, PostCSS is optimized for performance in large projects.
Has a large and active community, contributing to a wide range of plugins and providing support.
Easily integrates with build tools like Webpack, Gulp, and Grunt, as well as with task runners.
Comprehensive documentation is available, making it easier for new users to get started and for experienced users to find advanced features.
PostCSS is open source, encouraging contributions from developers around the world.
Security headers report is a very important part of user data protection. Learn more about http headers for postcss.org