Stylelint

Spec sheet

Purpose

Stylelint is a CSS linter that helps avoid errors and enforce conventions.Read 3 Oct 2026 · stylelint.io

Support

The support page directs general queries to Stack Overflow and asks users to file GitHub issues for bugs or feature requests.Read 3 Oct 2026 · stylelint.io

License

The project home page links to the MIT License.Read 3 Oct 2026 · stylelint.io

Autofix

Stylelint automatically fixes problems where possible.Read 3 Oct 2026 · stylelint.io

Built-in rules

It has over 100 built-in rules for modern CSS syntax and features.Read 3 Oct 2026 · stylelint.io

Command line

Stylelint can lint files from the command line and offers options including caching, custom syntax, formatters and autofixing.Read 3 Oct 2026 · stylelint.io

Extensions

It supports custom rules through plugins and reusable configurations through shareable configs.Read 3 Oct 2026 · stylelint.io

Language support

With extensions, it can parse SCSS, Sass, Less and SugarSS and extract embedded styles from HTML, Markdown and CSS-in-JS template literals.Read 3 Oct 2026 · stylelint.io

Maintainers

Stylelint is maintained by volunteers, and its governance page says members donate time and effort.Read 3 Oct 2026 · stylelint.io

Node.js API

The Stylelint module provides a Node.js lint() API that accepts code or file globs and returns lint results.Read 3 Oct 2026 · stylelint.io

Package managers

The getting started guide documents setup with npm and says Stylelint is also compatible with Bun, pnpm and Yarn.Read 3 Oct 2026 · stylelint.io

PostCSS integration

Stylelint can run as a PostCSS plugin, though its documentation recommends the CLI or Node.js API for better reporting.Read 3 Oct 2026 · stylelint.io

Testing

The home page says Stylelint has 15k unit tests; its vision page reports test coverage over 95%.Read 3 Oct 2026 · stylelint.io

Plans and prices

Every Stylelint plan and price →

Where Specifiction places it

• Linters#28 of 337.4