Blazing Fast
Rust-based bundler for JavaScript
with Rollup-compatible API and esbuild feature parity
Performance + Features + Ecosystem
Speed of Rust
Rolldown handles tens of thousands of modules without breaking a sweat
Benchmark bundling 19k modules.
10k React JSX components + 9k iconify JS files, with minification and source maps.
Rollup Compatible
Familiar API & options with a rich plugin ecosystem


Esbuild Feature Parity
Built-in transforms, define, inject, minify & more...

Designed for Vite
The unified bundler powering Vite 8+
Free & open source
Rolldown is free and open source, made possible by a full-time team and passionate open-source contributors.
