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PostCSS Config Generator - Online Plugin Setup

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PostCSS Config Generator

Visually set up your PostCSS plugins, tweak options, and get a ready‑to‑use postcss.config.js or JSON configuration. Perfect for your next project.

Plugin Setup

Config Preview 
// Your config will appear here

Frequently Asked Questions

PostCSS is a tool for transforming CSS with JavaScript plugins. A configuration file (postcss.config.js) tells PostCSS which plugins to use and in what order. This generator helps you create that file without looking up syntax.

Save the generated file as postcss.config.js in your project root. Most tools like Webpack (via postcss-loader), Vite, Parcel, and Gulp will detect it automatically. For JSON output, rename to .postcssrc.json if your tool expects that format.

We cover the most popular plugins: Autoprefixer, cssnano, postcss‑preset‑env, postcss‑import, postcss‑nested, postcss‑mixins, postcss‑simple‑vars and more. You can also add any custom plugin with its own options via the “Add Custom” button.

Yes! Plugins are executed from top to bottom. For example, postcss-import should usually come first, and autoprefixer often runs last. Use the arrow buttons to reorder plugins.

Absolutely. The preview is just a starting point. You can copy it and add more complex options, additional plugins, or conditional logic directly in your own file.

  • Minimal – only Autoprefixer, for basic vendor prefixing.
  • Recommended – Autoprefixer, cssnano, postcss‑preset‑env, and postcss‑import. A solid starting point for most projects.
  • All plugins – enables every built‑in plugin so you can see what’s available.
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