npmpackage.info

Gathering detailed insights and metrics for postcss

postcss

Transforming styles with JS plugins

8.5.6

28,806

MIT

TypeScript

15.37 kB

17,945,198,273 4.8

Installations

npm install postcss

Developer Guide

BETA

Typescript

Yes

Module System

CommonJS, ESM, UMD

Min. Node Version

^10 || ^12 || >=14

Node Version

22.16.0

NPM Version

10.9.2 Score

98.8

Supply Chain

80.5

Quality

90.8

Maintenance

100

Vulnerability

100

License

Pull Requests

Open

1

Total

934

Closed

175

Merged

758

Issues

Open

26

Total

1,023

Closed

997

Releases

268

8.5.6

Updated on Jun 16, 2025

8.5.5

Updated on Jun 11, 2025

8.5.4

Updated on May 29, 2025

8.5.3

Updated on Feb 19, 2025

8.5.2

Updated on Feb 10, 2025

8.5.1

Updated on Jan 14, 2025

View All 268 releases

Languages

TypeScript

JavaScript

TypeScript (60.26%)

JavaScript (39.74%)

Developer

postcss

Download Statistics

Total Downloads

17,945,198,273

Last Day

4,993,276

Last Week

88,037,154

Last Month

379,650,558

Last Year

3,932,999,155

GitHub Statistics

MIT License

28,806 Stars

4,157 Commits

1,579 Forks

503 Watchers

5 Branches

393 Contributors

Updated on Jul 04, 2025

Bundle Size

50.55 kB

Minified

15.37 kB

Minified + Gzipped

Bundlephobia

Sponsor this package

https://opencollective.com/postcss/https://tidelift.com/funding/github/npm/postcss https://github.com/sponsors/ai

Maintainers

View All 393 Contributors

Package Meta Information

Latest Version

8.5.6

Package Id

postcss@8.5.6

Unpacked Size

199.55 kB

Size

46.72 kB

File Count

NPM Version

10.9.2

Node Version

22.16.0

Published on

Jun 16, 2025

Total Downloads

Cumulative downloads

Total Downloads

17,945,198,273

Last Day

-6.7%

4,993,276

Compared to previous day

Last Week

-7.2%

88,037,154

Compared to previous week

Last Month

-0.1%

379,650,558

Compared to previous month

Last Year

12.4%

3,932,999,155

Compared to previous year

Weekly Downloads

Monthly Downloads

Yearly Downloads

Dependencies

nanoid picocolors source-map-js

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.

Built by Evil Martians, go-to agency for developer tools.

Docs

Read full docs here.

Moderate

5.3/10

Summary

PostCSS line return parsing error

Affected Versions

< 8.4.31

Patched Versions

8.4.31

Moderate

5.3/10

Summary

Regular Expression Denial of Service in postcss

Affected Versions

< 7.0.36

Patched Versions

7.0.36

Moderate

5.3/10

Summary

Regular Expression Denial of Service in postcss

Affected Versions

>= 8.0.0, < 8.2.13

Patched Versions

8.2.13

Moderate

5.3/10

Summary

Regular Expression Denial of Service in postcss

Affected Versions

>= 8.0.0, < 8.2.10

Patched Versions

8.2.10

Moderate

5.3/10

Summary

Regular Expression Denial of Service in postcss

Affected Versions

>= 7.0.0, < 7.0.36

Patched Versions

7.0.36

10

Dangerous-Workflow

Determines if the project's GitHub Action workflows avoid dangerous patterns.

10

Maintained

Determines if the project is "actively maintained".

10

Binary-Artifacts

Determines if the project has generated executable (binary) artifacts in the source repository.

10

License

Determines if the project has defined a license.

10

Vulnerabilities

Determines if the project has open, known unfixed vulnerabilities.

4

Code-Review

Determines if the project requires human code review before pull requests (aka merge requests) are merged.

0

Token-Permissions

Determines if the project's workflows follow the principle of least privilege.

0

CII-Best-Practices

Determines if the project has an OpenSSF (formerly CII) Best Practices Badge.

0

Pinned-Dependencies

Determines if the project has declared and pinned the dependencies of its build process.

Reason

dependency not pinned by hash detected -- score normalized to 0

Details

Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/release.yml:15: update your workflow using https://app.stepsecurity.io/secureworkflow/postcss/postcss/release.yml/main?enable=pin
Warn: third-party GitHubAction not pinned by hash: .github/workflows/release.yml:39: update your workflow using https://app.stepsecurity.io/secureworkflow/postcss/postcss/release.yml/main?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/test.yml:66: update your workflow using https://app.stepsecurity.io/secureworkflow/postcss/postcss/test.yml/main?enable=pin
Warn: third-party GitHubAction not pinned by hash: .github/workflows/test.yml:68: update your workflow using https://app.stepsecurity.io/secureworkflow/postcss/postcss/test.yml/main?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/test.yml:74: update your workflow using https://app.stepsecurity.io/secureworkflow/postcss/postcss/test.yml/main?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/test.yml:88: update your workflow using https://app.stepsecurity.io/secureworkflow/postcss/postcss/test.yml/main?enable=pin
Warn: third-party GitHubAction not pinned by hash: .github/workflows/test.yml:90: update your workflow using https://app.stepsecurity.io/secureworkflow/postcss/postcss/test.yml/main?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/test.yml:94: update your workflow using https://app.stepsecurity.io/secureworkflow/postcss/postcss/test.yml/main?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/test.yml:15: update your workflow using https://app.stepsecurity.io/secureworkflow/postcss/postcss/test.yml/main?enable=pin
Warn: third-party GitHubAction not pinned by hash: .github/workflows/test.yml:17: update your workflow using https://app.stepsecurity.io/secureworkflow/postcss/postcss/test.yml/main?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/test.yml:21: update your workflow using https://app.stepsecurity.io/secureworkflow/postcss/postcss/test.yml/main?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/test.yml:40: update your workflow using https://app.stepsecurity.io/secureworkflow/postcss/postcss/test.yml/main?enable=pin
Warn: third-party GitHubAction not pinned by hash: .github/workflows/test.yml:42: update your workflow using https://app.stepsecurity.io/secureworkflow/postcss/postcss/test.yml/main?enable=pin
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/test.yml:46: update your workflow using https://app.stepsecurity.io/secureworkflow/postcss/postcss/test.yml/main?enable=pin
Info: 0 out of 9 GitHub-owned GitHubAction dependencies pinned
Info: 0 out of 5 third-party GitHubAction dependencies pinned

0

Security-Policy

Determines if the project has published a security policy.

0

Fuzzing

Determines if the project uses fuzzing.

0

Branch-Protection

Determines if the default and release branches are protected with GitHub's branch protection settings.

0

SAST

Determines if the project uses static code analysis.

Score

4.8

/10

Last Scanned on 2025-06-23

The Open Source Security Foundation is a cross-industry collaboration to improve the security of open source software (OSS). The Scorecard provides security health metrics for open source projects.

Learn More

Other packages similar to postcss

Other packages similar to postcss

postcss

Installations

Developer Guide

Yes

CommonJS, ESM, UMD

^10 || ^12 || >=14

22.16.0

10.9.2

Score

Pull Requests

1

934

175

758

Issues

26

1,023

997

Releases

Languages

Developer

Download Statistics

GitHub Statistics

Bundle Size

50.55 kB

15.37 kB

Sponsor this package

Maintainers

Package Meta Information

Total Downloads

17,945,198,273

Weekly Downloads

Monthly Downloads

Yearly Downloads

Dependencies

PostCSS

Docs

10

10

10

10

10

4

0

0

0

0

0

0

0

4.8

/10