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lightningcss

A CSS parser, transformer, and minifier written in Rust

v1.33.0, 20 Jul 2026MPL-2.0ESM + CommonJSTypes: BundledParsers and serialisersBuild tools
$ npm install lightningcss

Key numbers

As of 25 Sept 2026
Weekly downloads
113.9m
+1051% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
1
Direct, from package.json
Last release
2 months ago
v1.33.0
GitHub stars
7.7k
303 forks
Open issues / PRs
338 / 97
Contributors
99
Commits, last 52 weeks
64

Downloads

Last week 2026-09-15 to 2026-09-21
050m100m150mSept 2025Mar 2026Sept 2026High 141.3m (25 Aug 2026)Low 9.3m (23 Dec 2025)
Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

113,864,306 downloads last week, 535,987,218 in the last month. The 12-month change of +1051% compares the average of the last 4 weeks with the first 4 weeks of the series.

Releases, last 12 months
543 in total
Latest version
1.33.0, 20 Jul 20262 months ago
First published
22 Aug 2022
Last push to GitHub
18 Sept 20266 days before the snapshot
Repository archived
No
Open issues
338
Open pull requests
97
Commits, last 52 weeks
64
Dependents on npm
552

Major versions

  1. v1 first release 1.14.0, 8 Sept 2022
  2. v0 first release 0.0.0, 22 Aug 2022

Recent releases

VersionPublished
1.33.020 Jul 2026
1.32.09 Mar 2026
1.31.121 Jan 2026
1.31.020 Jan 2026
1.30.229 Sept 2025
1.30.114 May 2025
1.30.011 May 2025
1.29.314 Mar 2025
1.29.26 Mar 2025
1.29.19 Jan 2025
1.29.09 Jan 2025
1.28.225 Nov 2024
1.28.13 Nov 2024
1.28.03 Nov 2024
Module format
ESM + CommonJSFrom package.json type, main and exports fields
TypeScript types
Bundled
Node.js engine range
>= 12.0.0
Runtimes
-
Unpacked size (npm)
502 kB
Dependencies (1)
detect-libc
npm install lightningcss

CDN

jsDelivr: 1.3m requests in 30 days
  • jsDelivrhttps://cdn.jsdelivr.net/npm/lightningcss@1.33.0/
  • unpkghttps://unpkg.com/lightningcss@1.33.0/
  • esm.shhttps://esm.sh/lightningcss@1.33.0
PackageWeekly downloadsGzipLast releaseModuleComparison
css-tree88.1m-6 months agoESM + CommonJScss-tree vs lightningcss
inline-style-parser33.9m-2 months agoESM + CommonJS-
yuku-parser2.9m-1 day agoESM only-
postcss-value-parser84.1m-4 years agoCommonJS-
@npmcli/query3.8m-4 months agoCommonJS-
scss-tokenizer1.4m-4 years ago--

Related

Sources: npm registry, npm downloads API, GitHub API, jsDelivr. Data fetched 25 Sept 2026.

Indexability: Indexed.