PostCSS plugin to reduce calc()
Discard empty rules and values with PostCSS.
PostCSS plugin to replace easing names to cubic-bezier()
Normalize unicode-range descriptors, and can convert to wildcard ranges.
Normalize multiple value display syntaxes into single values.
Convert two value syntax for repeat-style into one value.
Share target browsers between different front-end tools, like Autoprefixer, Stylelint and babel-env-preset
Minify at-rule params with PostCSS
Reduce transform functions with PostCSS.
Use the :focus-visible pseudo-selector in CSS
Normalize keyword values for position into length values.
Trim whitespace inside and around CSS rules & declarations.
Nest rules inside each other in CSS
PostCSS plugin to transform :not() W3C CSS level 4 pseudo class to :not() CSS level 3 selectors
Normalize URLs with PostCSS
PostCSS plugin to transform percentage-based opacity values to more compatible floating-point values.
Use two values display syntax for inner and outer display types.
Normalize CSS animation/transition timing functions.
Ensure CSS selectors are unique.
Use a place-* shorthand for align-* and justify-* in CSS
Use the :focus-within pseudo-selector in CSS
Merge longhand properties into shorthand with PostCSS.
Use unquoted format on @font-face CSS definitions.
SCSS parser for PostCSS