Rolldown vs SWC

Rolldown8.6Visit SWC8.0Visit

Higher score Rolldown #7 in JavaScript Build Tools 8.6/10 Free plan Free plan✓ 5 of 6 features Visit Rolldown

vs

SWC #12 in JavaScript Build Tools 8.0/10 Free plan Free plan✓ 5 of 6 features Visit SWC

• Rolldown fits best

  Rollup-compatible Rust builds

• SWC fits best

  Integrated compilation and transformation

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature	Rolldown 8.6/10 Visit ↗	SWC 8.0/10 Visit ↗
At a glance
Editor score	8.6	8.0
Ranking	#7 in JavaScript Build Tools	#12 in JavaScript Build Tools
Best for	Rollup-compatible Rust builds	Integrated compilation and transformation
Pricing model	Free	Free
Starting price	Free plan	Free plan
Free plan	✓	✓
Free trial	—	—
Deployment	Desktop	Self-hosted
Platforms	Windows, macOS, Linux	Windows, macOS, Linux, Android
Support	Community, Docs	Community, Docs
Built for	Solo, Small business, Mid-market, Enterprise	Solo, Small business, Mid-market, Enterprise
Features Rolldown 5/6 · SWC 5/6
TypeScript support	✓	✓
Code splitting	✓	✓
Tree shaking	✓	✓
Source maps	✓	✓
Plugin API	✓	✓
Remote build cache	Not checked yet	Not checked yet
Our review
Pros	Rust-based bundling with Rollup-compatible configuration and plugins Supports TypeScript, JSX, code splitting, tree shaking, and source maps Provides CLI plus JavaScript build, bundle, and watch APIs	Compiles and minifies JavaScript and TypeScript Supports source maps, tree shaking, chunking, and WebAssembly transforms Integrates with Next.js, webpack, Rspack, Parcel, Deno, and Jest
Cons	Its workflow is centered on code, configuration, CLI, and APIs The product focus is bundling rather than broader delivery workflows Teams may need to review compatibility with existing Rollup plugins	The spack bundler is planned for removal in v2 Bundling requires working with SWC's spack implementation Its focus is centered on JavaScript and TypeScript workflows
Our verdict	Rolldown is an open-source, Rust-based JavaScript bundler from VoidZero Inc. It is designed for developers building web applications and libraries who want Rollup-compatible configuration and plugin APIs alongside TypeScript and JSX… Read the review →	SWC is an open-source, Rust-based compiler and build tool for JavaScript and TypeScript projects. It transforms modern JavaScript and TypeScript into browser-compatible code, with support for minification, source map generation, tree… Read the review →

Strengths and trade-offs

• Rolldown — where it wins

  • Rust-based bundling with Rollup-compatible configuration and plugins
  • Supports TypeScript, JSX, code splitting, tree shaking, and source maps
  • Provides CLI plus JavaScript build, bundle, and watch APIs

  Where it doesn't

  • Its workflow is centered on code, configuration, CLI, and APIs
  • The product focus is bundling rather than broader delivery workflows
  • Teams may need to review compatibility with existing Rollup plugins

• SWC — where it wins

  • Compiles and minifies JavaScript and TypeScript
  • Supports source maps, tree shaking, chunking, and WebAssembly transforms
  • Integrates with Next.js, webpack, Rspack, Parcel, Deno, and Jest

  Where it doesn't

  • The spack bundler is planned for removal in v2
  • Bundling requires working with SWC's spack implementation
  • Its focus is centered on JavaScript and TypeScript workflows

• Rolldown8.6/10 · Free plan

  A free, open-source Rust bundler for Rollup-oriented JavaScript projects.

  Visit RolldownFull verdict →
• SWC8.0/10 · Free plan

  A free, open-source compiler and transformation tool for JavaScript and TypeScript.

  Visit SWCFull verdict →