evanw/esbuild

An extremely fast bundler for the web

40,050

stars

4,469

commits

primary language

Aug 9, 2026

updated

esbuild.github.io/

bundler

commonjs

compiler

css

esm

javascript

jsx

minifier

react

tsx

typescript

Browse cluster: CSS-in-JS and Styled Components →

README

esbuild: An extremely fast JavaScript bundler
Website | Getting started | Documentation | Plugins | FAQ

Why?

Our current build tools for the web are 10-100x slower than they could be:

Bar chart with benchmark results

The main goal of the esbuild bundler project is to bring about a new era of build tool performance, and create an easy-to-use modern bundler along the way.

Major features:

Extreme speed without needing a cache
JavaScript, CSS, TypeScript, and JSX built-in
A straightforward API for CLI, JS, and Go
Bundles ESM and CommonJS modules
Bundles CSS including CSS modules
Tree shaking, minification, and source maps
Local server, watch mode, and plugins

Check out the getting started instructions if you want to give esbuild a try.

Contributors

(top 30 of 123)

4,278 commits

16 commits

9 commits

7 commits

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Languages

75.6%

JavaScript

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TypeScript

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evanw/esbuild

An extremely fast bundler for the web

40,050

stars

4,469

commits

primary language

Aug 9, 2026

updated

esbuild.github.io/

bundler

commonjs

compiler

css

esm

javascript

jsx

minifier

react

tsx

typescript

Browse cluster: CSS-in-JS and Styled Components →

README

esbuild: An extremely fast JavaScript bundler
Website | Getting started | Documentation | Plugins | FAQ

Why?

Our current build tools for the web are 10-100x slower than they could be:

Bar chart with benchmark results

The main goal of the esbuild bundler project is to bring about a new era of build tool performance, and create an easy-to-use modern bundler along the way.

Major features: