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8.5.16

npm

postcss

Tool for transforming styles with JS plugins

Published28 Jun 2026

Direct dependencies3

Transitive dependenciesNot calculated

README

Current package documentation

PostCSS

PostCSS is a tool for transforming styles with JS plugins. These plugins can lint your CSS, support variables and mixins, transpile future CSS syntax, inline images, and more.

PostCSS is used by industry leaders including Wikipedia, Twitter, Alibaba, and JetBrains. The Autoprefixer and Stylelint PostCSS plugins are some of the most popular CSS tools.

PostCSS is built by Evil Martians, an American design and engineering consultancy for developer tools, AI, and cybersecurity startups.

Docs

Read full docs here.

Downloads & popularity

2,742,633downloads

7-day window · source-reported counts20 Oct 2026

2.7M1.4M0

20 Oct20 Oct

npm · 1 observations shown. Missing days are unknown.

View observed values

Date / source period	Value	Observed at
2026-10-20	2,742,633	2026-10-20T10:23:27.2261894Z

Declared dependencies 3

Native requirements

3 direct targetsNot calculated transitive count

Package / target Requirement Relationship

Package / target	Requirement	Relationship
nanoid Environment { "local_name": "nanoid", "alias": false, "peer_metadata": null }	`^3.3.12`	runtime
picocolors Environment { "local_name": "picocolors", "alias": false, "peer_metadata": null }	`^1.1.1`	runtime
source-map-js Environment { "local_name": "source-map-js", "alias": false, "peer_metadata": null }	`^1.2.1`	runtime

nanoid

Environment

{
  "local_name": "nanoid",
  "alias": false,
  "peer_metadata": null
}

^3.3.12

runtime

picocolors

Environment

{
  "local_name": "picocolors",
  "alias": false,
  "peer_metadata": null
}

^1.1.1

runtime

source-map-js

Environment

{
  "local_name": "source-map-js",
  "alias": false,
  "peer_metadata": null
}

^1.2.1

runtime

Distribution files

1 collected

Distribution 1

Source distribution

Source file

Checksums from source

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