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4.1.14

npm

postcss

Tool for transforming CSS with JS plugins

cssmanipulationparserpostproccessorpreprocesssource maptransformtranspilerpostcsspreprocessorrework
Published4 Jul 2015
Direct dependencies18
Transitive dependenciesNot calculated

README

Current package documentation

PostCSS

Philosopher’s stone, logo of 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

27downloads
7-day window · source-reported counts20 Oct 2026
2713.50
2026-10-20: 27 · observed 2026-10-20T10:23:27.2261894Z
20 Oct20 Oct

npm · 1 observations shown. Missing days are unknown.

View observed values
Date / source periodValueObserved at
2026-10-20272026-10-20T10:23:27.2261894Z

Declared dependencies 18

Native requirements
18 direct targetsNot calculated transitive count
Package / targetRequirementRelationship
js-base64
Environment
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  "alias": false,
  "peer_metadata": null
}
~2.1.8runtime
source-map
Environment
{
  "local_name": "source-map",
  "alias": false,
  "peer_metadata": null
}
~0.4.2runtime
es6-promise
Environment
{
  "local_name": "es6-promise",
  "alias": false,
  "peer_metadata": null
}
~2.3.0runtime
chai
Environment
{
  "local_name": "chai",
  "alias": false,
  "peer_metadata": null
}
3.0.0development
gulp
Environment
{
  "local_name": "gulp",
  "alias": false,
  "peer_metadata": null
}
3.9.0development
babel
Environment
{
  "local_name": "babel",
  "alias": false,
  "peer_metadata": null
}
5.6.14development
mocha
Environment
{
  "local_name": "mocha",
  "alias": false,
  "peer_metadata": null
}
2.2.5development
sinon
Environment
{
  "local_name": "sinon",
  "alias": false,
  "peer_metadata": null
}
1.15.4development
fs-extra
Environment
{
  "local_name": "fs-extra",
  "alias": false,
  "peer_metadata": null
}
0.20.1development
gulp-run
Environment
{
  "local_name": "gulp-run",
  "alias": false,
  "peer_metadata": null
}
1.6.8development
gulp-util
Environment
{
  "local_name": "gulp-util",
  "alias": false,
  "peer_metadata": null
}
3.0.6development
yaspeller
Environment
{
  "local_name": "yaspeller",
  "alias": false,
  "peer_metadata": null
}
2.5.0development
gulp-babel
Environment
{
  "local_name": "gulp-babel",
  "alias": false,
  "peer_metadata": null
}
5.1.0development
gulp-mocha
Environment
{
  "local_name": "gulp-mocha",
  "alias": false,
  "peer_metadata": null
}
2.1.2development
gulp-eslint
Environment
{
  "local_name": "gulp-eslint",
  "alias": false,
  "peer_metadata": null
}
0.15.0development
load-resources
Environment
{
  "local_name": "load-resources",
  "alias": false,
  "peer_metadata": null
}
0.1.0development
gulp-json-editor
Environment
{
  "local_name": "gulp-json-editor",
  "alias": false,
  "peer_metadata": null
}
2.2.1development
concat-with-sourcemaps
Environment
{
  "local_name": "concat-with-sourcemaps",
  "alias": false,
  "peer_metadata": null
}
1.0.2development

Distribution files

1 collected
Distribution 1

Source distribution

Source file
Checksums from source
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      "keyid": "SHA256:jl3bwswu80PjjokCgh0o2w5c2U4LhQAE57gj9cz1kzA"
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Repository

PENDING
ai/postcss

Shared repository data · GitHub

License detected in repository
Not collected

Repository

PENDING
postcss/postcss

Shared repository data · GitHub

License detected in repository
Not collected

Metadata history

Meaningful changes
Current collected state Current

Observed since 20 Oct, 08:20 UTC

No superseded metadata states collected. Unchanged observations do not create new revisions.

Record identity

package_version:725dfe3bd7e4cb5cd9f04665344d37146e6a599a2ea1fdcf8ccd7c2ba3d958ef

Other collected versions

8.5.3118 Oct8.5.3012 Oct8.5.295 Oct8.5.283 Sept8.5.273 Sept8.5.266 AugView all collected versions →