Rolldown
Blazing-fast JavaScript bundler.
Free
Support platforms
web
What is Rolldown
Rolldown is a Rust-based JavaScript bundler designed for speed and efficiency. It offers a Rollup-compatible API and feature parity with esbuild, enabling developers to bundle JavaScript projects quickly. Rolldown is optimized for performance, handling tens of thousands of modules without performance degradation. It supports built-in transforms, minification, CSS bundling, and more. The project is open-source and free to use, developed by VoidZero Inc. and contributors. It is designed to be a unified bundler, powering Vite and offering a familiar API with a rich plugin ecosystem. Rolldown aims to provide a next-generation bundling experience, emphasizing speed and ease of use for modern web development workflows.
Rolldown 's Core features
Blazing Fast Performance
Built in Rust, Rolldown offers significantly faster bundling speeds compared to other bundlers.
Rollup Compatibility
Rolldown provides a Rollup-compatible API, making it easy to migrate existing projects.
Esbuild Feature Parity
Rolldown offers feature parity with esbuild, ensuring support for modern JavaScript features.
Rich Plugin Ecosystem
Supports a rich plugin ecosystem for extending functionality and integrating with other tools.
Built-in Transforms
Includes built-in transforms, define, inject, minify, and CSS bundling capabilities.
Designed for Vite
Rolldown is designed to be a unified bundler, powering Vite.
How to use Rolldown
Install Rolldown using a package manager like npm or yarn.,Configure Rolldown using a rolldown.config.js or similar configuration file, specifying entry points, output paths, and plugins.,Run Rolldown from the command line to bundle your JavaScript code.,Integrate Rolldown into your build process, such as with Vite or other build tools.,Optimize your build by leveraging Rolldown's features, such as minification and source maps.
Use cases of Rolldown
Web Application Development
Bundling JavaScript code for web applications, improving load times and performance.
JavaScript Library Development
Creating optimized bundles for JavaScript libraries, making them easy to integrate into other projects.
Modern Frontend Frameworks
Integrating with frameworks like React, Vue, and Angular to streamline the build process.
Large-Scale Projects
Handling large and complex JavaScript projects with optimized performance.
Who benefits from Rolldown
Frontend Developers
Developers working on web applications and JavaScript libraries.
Web Development Teams
Teams looking for a fast and efficient bundler for their projects.
Pricing of Rolldown
Rolldown is free and open-source, available under a permissive license.
