PostCSS plugin to remove comments and unnecessary whitespace from CSS files

Minify colors in your CSS files with PostCSS.

Fault-tolerant CSS parser for PostCSS

Share target browsers between different front-end tools, like Autoprefixer, Stylelint and babel-env-preset

Convert modern CSS into something browsers understand

PostCSS plugin to reduce calc()

Discard empty rules and values with PostCSS.

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

Normalize keyword values for position into length values.

Convert two value syntax for repeat-style into one value.

Minify at-rule params with PostCSS

Normalize multiple value display syntaxes into single values.

Reduce transform functions with PostCSS.

Nest rules inside each other in CSS

Normalize URLs with PostCSS

PostCSS plugin to transform :not() W3C CSS level 4 pseudo class to :not() CSS level 3 selectors

Trim whitespace inside and around CSS rules & declarations.

SCSS parser for PostCSS

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

Normalize CSS animation/transition timing functions.