# cssnano

> A modular CSS minifier, built on top of the PostCSS ecosystem.

Latest version **9.0.5** (published 2026-09-17) · MIT license · 0 weekly downloads

## Install

```sh
npm install cssnano
pnpm add cssnano
yarn add cssnano
bun add cssnano
```

## Health

**Score 75/100 (B)** — status: active.

Positive: has types; esm support; no vulnerabilities; has provenance; recently updated; high maintenance score; high quality score.

Warnings: low downloads.

## Facts

| | |
|---|---|
| Version | 9.0.5 |
| Published | 2026-09-17 |
| First published | 2015-04-14 |
| Weekly downloads | 0 |
| License | MIT |
| TypeScript types | bundled |
| Module format | ESM + CommonJS |
| Node | ^22.22.3 \|\| ^24.15.0 \|\| >=26.0 |
| Dependencies | 1 |
| Unpacked size | 10.1 KB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| Provenance | attested (GitHub Actions) |
| GitHub stars | 4978 |
| Author | Ben Briggs |
| Maintainers | beneb, ludovicofischer, ai, chriseppstein, jonathantneal, andyjansson, evilebottnawi, cssnano-bot |
| Keywords | css, compress, minify, optimise, optimisation, postcss, postcss-plugin |

## Links

- npm: https://www.npmjs.com/package/cssnano
- Repository: https://github.com/cssnano/cssnano
- Issues: https://github.com/cssnano/cssnano/issues
- Funding: https://opencollective.com/cssnano
- npm.io page: https://npm.io/package/cssnano

## Dependencies (1)

- [cssnano-preset-default](https://npm.io/package/cssnano-preset-default.md) ^9.0.5

## Alternatives

- [style-dictionary](https://npm.io/package/style-dictionary.md) — 2.0M weekly downloads
- [postcss-merge-idents](https://npm.io/package/postcss-merge-idents.md) — 1.7M weekly downloads
- [@fontsource/noto-sans](https://npm.io/package/@fontsource/noto-sans.md) — 93.0K weekly downloads
- [uglifycss](https://npm.io/package/uglifycss.md) — 71.6K weekly downloads
- [mat4-interpolate](https://npm.io/package/mat4-interpolate.md) — 23.3K weekly downloads

## Recent versions

- 9.0.5 (latest) — 2026-09-17
- 5.0.0-rc.2 (next) — 2021-03-15
- 4.0.0-nightly.2020.2.6 (nightly) — 2021-02-06
- 9.0.4 — 2026-09-08
- 9.0.3 — 2026-09-05
- 9.0.2 — 2026-09-01
- 9.0.1 — 2026-08-28
- 9.0.0 — 2026-08-27
- 8.0.10 — 2026-08-26
- 8.0.9 — 2026-08-25
- 8.0.8 — 2026-08-22
- 8.0.7 — 2026-08-20
- 8.0.6 — 2026-08-16
- 8.0.5 — 2026-08-09
- 8.0.4 — 2026-08-05
- … 160 more at https://npm.io/package/cssnano/versions

## README

# cssnano

For documentation, please see the following links:

* Repository: https://github.com/cssnano/cssnano
* Website: http://cssnano.github.io/cssnano

---
_Source: https://npm.io/package/cssnano · Machine-readable twin of the npm.io package page. Health data is recomputed on every publish._