10 Best JavaScript CSS Processor Libraries

List hand-picked by Openbase Experts
Learn More

sass

The reference implementation of Sass, written in Dart.

License: MIT

TypeScript Definitions: Built-In

25Great Documentation

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

autoprefixer

Parse CSS and add vendor prefixes to rules by Can I Use

License: MIT

TypeScript Definitions: Built-In

21Great Documentation

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

purgecss

Remove unused CSS

License: MIT

TypeScript Definitions: Built-In

Bundle Size (min+gzip)

N/A

Tree-Shakeable

sass-loader

Compiles Sass to CSS

License: MIT

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

less

Less. The dynamic stylesheet language.

License: Apache-2.0

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Tree-Shakeable

node-sass

🌈 Node.js bindings to libsass

License: MIT

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

gulp-purgecss

Remove unused CSS

License: MIT

TypeScript Definitions: Built-In

Bundle Size (min+gzip)

N/A

Tree-Shakeable

gatsby-plugin-purgecss

Gatsby plugin for purgecss. Removes unused css/sass/less/stylus. Supports tailwind, bootstrap, bulma etc.

License: MIT

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

stylus

Expressive, robust, feature-rich CSS language built for nodejs

License: MIT

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

gulp-sass

SASS plugin for gulp

License: MIT

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

mini-css-extract-plugin

Lightweight CSS extraction plugin

License: MIT

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

postcss-nested

PostCSS plugin to unwrap nested rules like how Sass does it.

License: MIT

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

optimize-css-assets-webpack-plugin

A Webpack plugin to optimize \ minimize CSS assets.

License: MIT

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

rollup-plugin-scss

Rollup and compile multiple .scss, .sass and .css imports

License: MIT

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Tree-Shakeable

rollup-plugin-sass

Roll .sass files.

License: MIT

TypeScript Definitions: Built-In

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

rework

Plugin framework for CSS preprocessing in Node.js

License: Unknown

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

rollup-plugin-postcss

Seamless integration between Rollup and PostCSS.

License: MIT

TypeScript Definitions: Built-In

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

gulp-autoprefixer

Prefix CSS

License: MIT

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

next-optimized-classnames

Reduce all CSS classes produced by CSS modules to the smallest form possible

License: MIT

TypeScript Definitions: Built-In

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

next-purgecss

nextjs + purgecss for smaller css bundles

License: MIT

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

css-purge

A CSS tool written in Node JS as a command line app or library for the purging, burning, reducing, shortening, compressing, cleaning, trimming and formatting of duplicate, extra, excess or bloated CSS.

License: MIT

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

next-atomic-css

Next.js plugin for optimizing css

License: MIT

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

myth

A CSS preprocessor that acts like a polyfill for future versions of the spec.

License: MIT

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

csscrush

CSS preprocessor. Written in PHP

License: MIT

TypeScript Definitions: DefinitelyTyped

Bundle Size (min+gzip)

N/A

Not Tree-Shakeable

10 Best JavaScript CSS Processor Libraries

List hand-picked by Openbase ExpertsLearn More

sass

The reference implementation of Sass, written in Dart.

autoprefixer

Parse CSS and add vendor prefixes to rules by Can I Use

purgecss

Remove unused CSS

sass-loader

Compiles Sass to CSS

less

Less. The dynamic stylesheet language.

node-sass

🌈 Node.js bindings to libsass

gulp-purgecss

Remove unused CSS

gatsby-plugin-purgecss

Gatsby plugin for purgecss. Removes unused css/sass/less/stylus. Supports tailwind, bootstrap, bulma etc.

stylus

Expressive, robust, feature-rich CSS language built for nodejs

gulp-sass

SASS plugin for gulp

mini-css-extract-plugin

Lightweight CSS extraction plugin

postcss-nested

PostCSS plugin to unwrap nested rules like how Sass does it.

optimize-css-assets-webpack-plugin

A Webpack plugin to optimize \ minimize CSS assets.

rollup-plugin-scss

Rollup and compile multiple .scss, .sass and .css imports

rollup-plugin-sass

Roll .sass files.

rework

Plugin framework for CSS preprocessing in Node.js

rollup-plugin-postcss

Seamless integration between Rollup and PostCSS.

gulp-autoprefixer

Prefix CSS

next-optimized-classnames

Reduce all CSS classes produced by CSS modules to the smallest form possible

next-purgecss

nextjs + purgecss for smaller css bundles

css-purge

A CSS tool written in Node JS as a command line app or library for the purging, burning, reducing, shortening, compressing, cleaning, trimming and formatting of duplicate, extra, excess or bloated CSS.

next-atomic-css

Next.js plugin for optimizing css

myth

A CSS preprocessor that acts like a polyfill for future versions of the spec.

csscrush

CSS preprocessor. Written in PHP

List hand-picked by Openbase Experts
Learn More