Rolldown
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VisitRolldown vs UglifyJS
What both publish
| Fact | Rolldown | UglifyJS |
|---|---|---|
| API | Rolldown provides JavaScript APIs for bundling, watching, and building; the build() API is experimental and may change in patch releases. | The API provides a configurable minify() function that can process JavaScript and return minified code, warnings or errors. |
| Intended users | The maker recommends using Rolldown through Vite for most applications and points library authors to tsdown. | The documented command-line and programmatic interfaces support developers using UglifyJS in build workflows or applications. |
| License | Rolldown is free and open source; VoidZero states that it remains open source and MIT-licensed. | UglifyJS is released under a BSD license. |
| Purpose | Rolldown is a Rust-based bundler for JavaScript with a Rollup-compatible API and esbuild feature parity. | UglifyJS is a JavaScript parser, minifier, compressor and beautifier toolkit. |
Rolldown plans
- Free & open sourceFree
UglifyJS plans
- UglifyJSFree
Pick Rolldown if…
Rolldown suits JavaScript developers looking for a bundler with TypeScript and JSX transforms and a Rollup-compatible plugin API. Its guidance points most application developers toward using it through Vite and library authors toward tsdown.
Pick UglifyJS if…
It suits developers who need JavaScript parsing and optimization in command-line workflows or applications. Its API and CLI offer distinct ways to use the toolkit.