JSPM

Go minifiers for web formats

(almost) all CSS minifiers available for node.js

A CSS utility library for JS

PostCSS plugin to minify CSS using CSSO

A stylelint plugin that checks for a file header.

Tool for transforming styles with JS plugins

Strict TypeScript and Flow types for style based on MDN data

A JavaScript text diff implementation.

a CSS selector compiler/engine

A tool set for CSS: fast detailed parser (CSS → AST), walker (AST traversal), generator (AST → CSS) and lexer (validation and matching) based on specs and browser implementations

Parses and compiles CSS nth-checks to highly optimized functions.

A JavaScript library for escaping CSS strings and identifiers while generating the shortest possible ASCII-only output.

Open Web data by the Mozilla Developer Network

Color conversion and manipulation with CSS string support

Fast CSS Selectors API Engine

Parse CSS and add vendor prefixes to CSS rules using values from the Can I Use website

Parser and generator for CSS color strings

PostCSS plugin for CSS Modules to pass arbitrary values between your module files

A CSS Modules transform to make local scope the default

A well-tested CSS minifier

tiny modular DOM lib for ie9+

A robust polyfill for the `CSS.escape` utility method as defined in CSSOM.

A pure JavaScript implementation of Sass.

PostCSS plugin to import CSS files

A modern CSS parser and stringifier with TypeScript support

A react component toolset for managing animations

Convert a kebab-cased CSS property into a camelCased DOM property.

PostCSS loader for webpack

css loader module for webpack

PostCSS plugin to unwrap nested rules like how Sass does it

A simple utility for conditionally joining classNames together

CSS minifier with structural optimisations

extracts CSS into separate files

Ensure CSS selectors are unique.

Generate a hex color from the given text

Merge longhand properties into shorthand with PostCSS.

Convert values with PostCSS (e.g. ms -> s)

Optimise inline SVG with PostCSS.

Full CSS support for JSX without compromises

Discard comments in your CSS files with PostCSS.

Solve CSS math expressions

Color your terminal using CSS/hex color codes

Minify gradient parameters with PostCSS.

Merge Tailwind CSS classes without style conflicts

ICSS utils for postcss ast

PostCSS for CSS-in-JS and styles in JS objects

Algorithms to help you parse CSS from an array of tokens.

A modular minifier, built on top of the PostCSS ecosystem.

A recommended babel preprocessing plugin for emotion, The Next Generation of CSS-in-JS.

👑 A tiny yet powerful tool for high-performance color manipulations and conversions

PostCSS plugin to discard overridden @keyframes or @counter-style.

Normalize wrapping quotes for CSS string literals.

Color helpers to ease transformation between formats, gamut, etc

Parse CSS color values

Reduce initial definitions to the actual initial value, where possible.

Highly configurable, well-tested, JavaScript-based HTML minifier.

Minify font declarations with PostCSS

Discard empty rules and values with PostCSS.

Minify colors in your CSS files with PostCSS.

Ensure values are ordered consistently in your CSS.

Discard duplicate rules in your CSS files with PostCSS.

Add necessary or remove extra charset with PostCSS

PostCSS plugin to reduce calc()

Tokenize CSS

Detect/remove browser hacks from CSS files.

Normalize unicode-range descriptors, and can convert to wildcard ranges.

An inline style parser.

Trim whitespace inside and around CSS rules & declarations.

Parse CSS inline style to JavaScript object.

Determine selector specificity with postcss-selector-parser

Just create a single stylesheet...

Merge CSS rules with PostCSS.

Minify selectors with PostCSS.

hast utility to create an element from a simple CSS selector

Minify at-rule params with PostCSS

Normalize URLs with PostCSS

Normalize keyword values for position into length values.

List of known CSS properties

Sorts CSS declarations fast and automatically in a certain order.

Class Variance Authority 🧬

Fault-tolerant CSS parser for PostCSS

CSS minimizer (minifier) plugin for Webpack

Webpack loader that resolves relative paths in url() statements based on the original source file

Use the gap, column-gap, and row-gap shorthand properties in CSS

Leaner CSS

Use Custom Media Queries in CSS

Use 4 & 8 character hex color notation in CSS

Use logical properties and values in CSS

PostCSS plugin to replace overflow-wrap with word-wrap or optionally retain both declarations.

A list of CSS features and their positions in the process of becoming implemented web standards

Use Custom Selectors in CSS

Use the rebeccapurple color keyword in CSS

Use the :focus-within pseudo-selector in CSS

Style form elements when they are empty

Use Custom Properties Queries in CSS

Use the :any-link pseudo-class in CSS

CSS for the <Component> Age. Style components your way with speed, strong typing, and flexibility.

PostCSS plugin to transform W3C font-variant properties to more compatible CSS (font-feature-settings)

Display resolution-dependent images using the image-set() function in CSS

Use double-position gradients in CSS

PostCSS plugin postcss-page-break to fallback `break-` properties with `page-break-` alias

A list of all CSS color keywords.

Strip line and/or block comments from a string. Blazing fast, and works with JavaScript, Sass, CSS, Less.js, and a number of other languages.

Use unquoted format on @font-face CSS definitions.

Convert modern CSS into something browsers understand

A Tailwind CSS plugin for creating beautiful animations.

The most popular front-end framework for developing responsive, mobile first projects on the web.

A pseudo-class for matching elements in a selector list

Use a place-* shorthand for align-* and justify-* in CSS

Use the color() function in CSS

Use the ic length unit

Using more intuitive `>=`, `<=`, `>`, `<` instead of media queries min/max prefix.

Use oklab() and oklch() color functions in CSS

Parse CSS media query lists.

PostCSS plugin to transform percentage-based opacity values to more compatible floating-point values.

Use sin(), cos(), tan(), acos(), atan(), and atan2() to compute trigonometric relationships

Use the :focus-visible pseudo-selector in CSS

Style elements relative to other elements in CSS

Correctly declare progressive enhancements for CSS Custom Properties.

Provides some base functions needed by a css-select adapter so that you don't have to implement the whole thing.

Nest rules inside each other in CSS

PostCSS plugin This project tries to fix all of flexbug's issues

Use round, rem and mod functions in CSS

Use cascade layers in CSS

Use hwb() color functions in CSS

A mighty CSS linter that helps you avoid errors and enforce conventions.

SCSS parser for PostCSS

Use env() variables in CSS

A Less loader for webpack. Compiles Less to CSS.

Use nested calc() expressions in CSS

Use the :dir pseudo-class in CSS

Enable support for case insensitive attribute matching in selectors

Use the overflow shorthand in CSS

Parses CSS inline style to JavaScript object (camelCased).

Use space and slash separated color notation in CSS

Use lab() and lch() color functions in CSS

Use light and dark color schemes in all browsers

PostCSS plugin to transform clamp() to combination of min/max

List of standard and browser specific CSS functions.

Hyphenates a camelcased CSS property name

CSS parser / stringifier

css color parsing, manupulation and conversion

A CSS property value parser for use with PostCSS

Use the parts of normalize.css or sanitize.css you need from your browserslist

Use two values display syntax for inner and outer display types.

PostCSS plugin to fallback initial keyword.

A best-practices CSS foundation

Useful utility functions for CSS in JS solutions

Use text-decoration in it's shorthand form in CSS

A JSON Object of css color names mapped to their hex value

Search CSS(-like) strings

Keep only the CSS you need based on comments and your browserslist

Sanitize untrusted CSS with a configuration specified by a Whitelist. 根据白名单过滤CSS

A collection of SCSS-specific rules for Stylelint

Replacing symbols during the linking phase of ICSS

A CLI tool to minify JSON/C, HTML and CSS.

List of vendor prefixes known to the web platform

Get accurate and well named css box model information about an Element 📦

A lib for generating Style Sheets with JavaScript.

A cross-browser CSS foundation

Regex for matching HSLA colors.

Regex for matching RGBA color strings.

Highly configurable, well-tested, JavaScript-based HTML minifier.

TailwindCSS v4.0 compatible replacement for `tailwindcss-animate`.

The Next Generation of CSS-in-JS.

Robust, expressive, and feature-rich CSS superset

Reduce CSS calc() function to the maximum

Parse CSS Cascade Layer names.

PostCSS plugin to keep rules and at-rules content in order.

A recommended babel preprocessing plugin for emotion, The Next Generation of CSS-in-JS.

Regex for RGB color strings.

Regex for matching HSL colors.

parse shorthand css font strings"

A collection of order related linting rules for Stylelint.

CSS vendor prefix detection and property feature testing.

https://github.com/deanm/css-color-parser-js

PostCSS plugin to use CSS Modules everywhere

Use logical values in the resize property

Parses and determines if a given CSS Media Query matches a set of values.

Smallest 5th gen CSS-in-JS library

The best regular expression (regex) for matching hex color values from string.

A minimal CSS module shim

Resolve nested CSS selectors

Use the color-mix function in CSS

Use vb and vi length units in CSS

JSS plugin for function value and rule syntax

PostCSS syntax for parsing HTML (and HTML-like)

Gamut map css colors to fit display specific gamuts

Indent-based CSS syntax for PostCSS

Use logical overscroll behavior properties and values in CSS

Use flow-relative (inline-start and inline-end) values for float and clear

Use interpolation methods in CSS gradient functions

Use logical overflow properties and values in CSS

Inlines img, script and link tags into the same file.

Modify colors using the color-mod() function in CSS

Parsers, transformers and tests for special value types, eg: %, hex codes etc.

Powerful and compliant CSS selector parser.

A collection of functions for manipulating CSS colors, inspired by SASS.

A CSS-based selector parser for React Standard Tree (RST) traversal

Colors of Google's Material Design made available to coders

Standalone CSS Selector Finder and Parser.

LESS parser for PostCSS

Storybook Themes addon: Switch between themes from the toolbar

A decent CSS parser

CSS value parser

A Sass parser for PostCSS, using gonzales-pe.

A simple list of CSS shorthand properties and which longhand properties they expand to

PostCSS plugin to rebase or inline on url().

JavaScript image cropper.

Use the random function in CSS

Converts CSS values from one unit to another

Merge keyframe and counter style identifiers.

Use the gray() color function in CSS

Code obfuscator CLI that protects your code regardless of the programming language or framework.

Generate fallback values for content with alt text

Framework for transforming cascading style sheets (CSS) from left-to-right (LTR) to right-to-left (RTL)

CSS dictionary for cspell.

Reduce z-index values with PostCSS.

Reduce custom identifiers with PostCSS.

Media queries in react for responsive design

Inject style tag to document head.

Use sign and abs functions in CSS

Compile and package Angular libraries in Angular Package Format (APF)

PostCSS plugin for Sass-like variables

CSS parser

Discard unused counter styles, keyframes and fonts.

Raw browser/feature support data from caniuse.com

The Next Generation of CSS-in-JS.

The Next Generation of CSS-in-JS.

Color conversion and manipulation with CSS string support

Jest matcher for image comparisons. Most commonly used for visual regression testing.

Plugin framework for CSS preprocessing

Live CSS Reload & Browser Syncing

Rework declaration visitor utility

Parser and generator for CSS color strings

A CSS3-compliant JavaScript selector engine.

Mix any number of colors with the color-mix function in CSS

hast utility for `querySelector`, `querySelectorAll`, and `matches`

Convert color string (or parseable argument) to RGBA array

PostCSS helpers to throw or output GNU style messages

Turns off all rules that are unnecessary or might conflict with Prettier.

Map color names to HEX color values.

create matching selectors from css for your very own nested object hierarchy

Remove unused css selectors

Style once, use everywhere. A build system for creating cross-platform styles.

Self-host the Inter font in a neatly bundled NPM package.

Styled utilities for PrimeUI Libraries

CSS modules support for TypeScript

Self-host the Roboto font in a neatly bundled NPM package.

Styled System for the `css` prop