Rollup

Rollup is ranked #11 of 27 in JavaScript build tools on The Geeks Club. It runs on API, Linux, macOS, Web, Windows.

Compared on JavaScript build tools

Free plan: Yes
TypeScript support: Yes
Code splitting: Yes
Tree shaking: Yes
Source maps: Yes
Plugin API: Yes

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Rollup

Purpose: Rollup is a JavaScript module bundler that compiles small pieces of code into larger applications or libraries.
Output formats: It supports output formats including ES modules, CommonJS, UMD, and SystemJS.
Tree-shaking: It statically analyzes imported code and removes code that is not used.
Plugins: Rollup provides a plugin API for code injections and transformations.
Interfaces: Rollup can be used through a command-line interface or its JavaScript API.
Browser use: The documentation includes a page for running Rollup in a browser, and the site links to an online REPL.
Integrations: The site says Vite pre-configures Rollup with defaults and plugins, and names WMR as a project that adopted its plugin API.
Configuration: Rollup provides configuration options for inputs, outputs, plugins, tree-shaking, and watch mode.
Security reporting: The project asks vulnerability reporters to submit a private vulnerability report through GitHub Security.
Security guidance: The security page recommends using the latest versions of Rollup and its official plugins.
License: Rollup is released under the MIT License.
Code formats: Rollup can output formats including ES modules, CommonJS, UMD, AMD, IIFE, and SystemJS.
Use cases: The project describes Rollup as suitable for building libraries and applications, including builds targeting browsers and Node.js.
Compatibility: Rollup can import existing CommonJS modules through a plugin.

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Where it ranks on The Geeks Club

Best JavaScript Build Tools in 2026#11 of 27

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Sources

rollupjs.org· checked 4 Oct 2026
github.com/rollup/rollup· checked 4 Oct 2026
rollupjs.org/guide/en/· checked 4 Oct 2026
rollupjs.org/configuration-options/· checked 4 Oct 2026
github.com/rollup/rollup/security· checked 4 Oct 2026
rollupjs.org/introduction/· checked 4 Oct 2026
github.com/rollup/rollup/blob/master/SECURITY.md· checked 4 Oct 2026
rollupjs.org/repl/· checked 4 Oct 2026