10 Best JavaScript CSS Processor Libraries

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sass

The reference implementation of Sass, written in Dart.

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License: MIT
TypeScript Icon
TypeScript Definitions: Built-In
User Rating
4.8/ 5
25
Top Feedback
30Easy to Use
25Great Documentation
16Performant
GitHub Stars
3K
Weekly Downloads
7M
Last Commit
1mo ago

autoprefixer

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

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License: MIT
TypeScript Icon
TypeScript Definitions: Built-In
User Rating
4.8/ 5
84
Top Feedback
23Easy to Use
21Great Documentation
18Performant
GitHub Stars
20K
Weekly Downloads
16M
Last Commit
1mo ago

purgecss

Remove unused CSS

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License: MIT
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TypeScript Definitions: Built-In
User Rating
4.7/ 5
6
Top Feedback
4Great Documentation
4Performant
4Highly Customizable
GitHub Stars
7K
Weekly Downloads
2M
Last Commit
1mo ago

sass-loader

Compiles Sass to CSS

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License: MIT
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TypeScript Definitions: DefinitelyTyped
User Rating
4.8/ 5
5
Top Feedback
3Great Documentation
2Performant
1Easy to Use
GitHub Stars
4K
Weekly Downloads
11M
Last Commit
3mos ago

less

Less. The dynamic stylesheet language.

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License: Apache-2.0
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TypeScript Definitions: DefinitelyTyped
User Rating
4.6/ 5
35
Top Feedback
6Easy to Use
4Great Documentation
2Performant
GitHub Stars
17K
Weekly Downloads
4M
Last Commit
2mos ago

node-sass

🌈 Node.js bindings to libsass

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License: MIT
TypeScript Icon
TypeScript Definitions: DefinitelyTyped
User Rating
4.6/ 5
10
Top Feedback
2Great Documentation
2Easy to Use
1Performant
GitHub Stars
8K
Weekly Downloads
4M
Last Commit
2mos ago

gulp-purgecss

Remove unused CSS

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License: MIT
TypeScript Icon
TypeScript Definitions: Built-In
User Rating
5.0/ 5
1
Top Feedback
1Great Documentation
1Easy to Use
1Performant
GitHub Stars
7K
Weekly Downloads
6K
Last Commit
1mo ago
gpp

gatsby-plugin-purgecss

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

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License: MIT
TypeScript Icon
TypeScript Definitions: DefinitelyTyped
User Rating
5.0/ 5
1
Top Feedback
1Easy to Use
1Bleeding Edge
GitHub Stars
69
Weekly Downloads
23K
Last Commit
2mos ago

stylus

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

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License: MIT
TypeScript Icon
TypeScript Definitions: DefinitelyTyped
User Rating
3.9/ 5
13
Top Feedback
3Great Documentation
3Easy to Use
3Performant
GitHub Stars
11K
Weekly Downloads
3M
Last Commit
1mo ago
gs

gulp-sass

SASS plugin for gulp

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License: MIT
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TypeScript Definitions: DefinitelyTyped
User Rating
4.0/ 5
1
Top Feedback
N/A
GitHub Stars
2K
Weekly Downloads
411K
Last Commit
3mos ago

mini-css-extract-plugin

Lightweight CSS extraction plugin

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License: MIT
TypeScript Icon
TypeScript Definitions: DefinitelyTyped
User RatingN/A
Top Feedback
1Hard to Use
GitHub Stars
4K
Weekly Downloads
11M
Last Commit
1mo ago

postcss-nested

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

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License: MIT
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TypeScript Definitions: DefinitelyTyped
User RatingN/A
Top Feedback
N/A
GitHub Stars
900
Weekly Downloads
2M
Last Commit
4mos ago
oca

optimize-css-assets-webpack-plugin

A Webpack plugin to optimize \ minimize CSS assets.

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License: MIT
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TypeScript Definitions: DefinitelyTyped
User RatingN/A
Top Feedback
N/A
GitHub Stars
1K
Weekly Downloads
5M
Last Commit
7mos ago
rps

rollup-plugin-scss

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

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License: MIT
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TypeScript Definitions: DefinitelyTyped
User RatingN/A
Top Feedback
N/A
GitHub Stars
101
Weekly Downloads
44K
Last Commit
7mos ago
rps

rollup-plugin-sass

Roll .sass files.

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License: MIT
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TypeScript Definitions: Built-In
User RatingN/A
Top Feedback
N/A
GitHub Stars
76
Weekly Downloads
11K
Last Commit
2mos ago

rework

Plugin framework for CSS preprocessing in Node.js

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License: Unknown
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TypeScript Definitions: DefinitelyTyped
User RatingN/A
Top Feedback
N/A
GitHub Stars
3K
Weekly Downloads
4M
Last Commit
7yrs ago
rpp

rollup-plugin-postcss

Seamless integration between Rollup and PostCSS.

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License: MIT
TypeScript Icon
TypeScript Definitions: Built-In
User RatingN/A
Top Feedback
N/A
GitHub Stars
572
Weekly Downloads
486K
Last Commit
2mos ago
ga

gulp-autoprefixer

Prefix CSS

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License: MIT
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TypeScript Definitions: DefinitelyTyped
User RatingN/A
Top Feedback
N/A
GitHub Stars
685
Weekly Downloads
234K
Last Commit
8mos ago
noc

next-optimized-classnames

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

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License: MIT
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TypeScript Definitions: Built-In
User RatingN/A
Top Feedback
N/A
GitHub Stars
23
Weekly Downloads
351
Last Commit
3mos ago
np

next-purgecss

nextjs + purgecss for smaller css bundles

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License: MIT
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TypeScript Definitions: DefinitelyTyped
User RatingN/A
Top Feedback
N/A
GitHub Stars
129
Weekly Downloads
3K
Last Commit
2yrs ago

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.

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License: MIT
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TypeScript Definitions: DefinitelyTyped
User RatingN/A
Top Feedback
N/A
GitHub Stars
113
Weekly Downloads
2K
Last Commit
1yr ago
nac

next-atomic-css

Next.js plugin for optimizing css

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License: MIT
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TypeScript Definitions: DefinitelyTyped
User RatingN/A
Top Feedback
N/A
GitHub Stars
5
Weekly Downloads
1
Last Commit
7mos ago

myth

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

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License: MIT
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TypeScript Definitions: DefinitelyTyped
User RatingN/A
Top Feedback
N/A
GitHub Stars
4K
Weekly Downloads
317
Last Commit
7yrs ago
css

csscrush

CSS preprocessor. Written in PHP

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License: MIT
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TypeScript Definitions: DefinitelyTyped
User RatingN/A
Top Feedback
N/A
GitHub Stars
538
Weekly Downloads
14
Last Commit
5mos ago