Browserslist

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Shared browser compatibility config for popular JavaScript tools like Autoprefixer, Babel, ESLint, PostCSS, and Webpack

Supported by Evil Martians and Cube

Check compatible browsers

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A hedgehog with a wheelbarrow full of browser logos. He brings them to you!

Add the Browserslist config to display compatible browsers.

How to get started

Use defaults if you're building a web application for the global audience.

Use node 18 if you're building a Node.js application, e.g., for server-side rendering.

Autoprefixer, Babel and many other tools will find target browsers automatically if you add the following to package.json:

      "browserslist": [
        "defaults and fully supports es6-module",
        "maintained node versions"
      ]
    

Query syntax

Start with the default configuration

You can pick a sound set of versions with the defaults query which is a shortcut for > 0.5%, last 2 versions, Firefox ESR, not dead. It matches recent versions of popular and supported browsers worldwide and includes Firefox Extended Support Release which is updated roughly annually.

The defaults query was thoroughly designed by the Browserslist community. It helps promote best practices and avoid common pitfalls.

Select browser versions with certain usage

You can pick versions that have more than or less than a certain size of the audience worldwide, in a region, or in a country. You can also use the visitor data of your own website.

Examples

Beware

Advanced

Select recent browser versions

You can pick a few recent browser versions.

Examples

Beware

Advanced

Select specific browser versions

You can pick browser versions or a version range of your choice.

Examples

Beware

Advanced

  • ie 6-8 an inclusive range of Internet Explorer versions.
  • Firefox ESR the latest Firefox Extended Support Release.

Select specific Node.js versions

You can pick Node.js versions or a version range of your choice. Useful if you know for sure the runtime configuration of your server-side code.

Examples

Advanced

Select browser versions that support a certain feature

You can pick browser versions that support features from the Can I Use database. See the  caniuse-lite repository for the full list of features.

Examples

Beware

Combine multiple queries into one

You can combine versions matched by multiple queries with or or ,; you can intersect them with and. You can also negate any query with not if it's not the first one in your list.

Examples

Beware

Advanced

Exclude unmaintained browser versions

You can combine your queries with not dead to exclude dead browsers, i.e., browsers without official support or updates for more than 24 months. Right now these include IE 11, IE Mobile 11, BlackBerry 10, BlackBerry 7, Samsung 4, Opera Mobile 12.1, and all versions of Baidu.

Examples

Why Browserslist

Browserslist helps you keep the right balance between browser compatibility and bundle size. With Browserslist, you will cover wider audience and have smaller bundle size.