Web Development · head to head
Rollup vs esbuild
esbuild
Web Development
Extremely fast JavaScript bundler written in Go
- From
- Free
- Rated
- -
The short version
- Each has a real cost: Rollup slower than the Go and Rust bundlers that followed it, since it is written in JavaScript; esbuild deliberately does not type-check TypeScript, only strips types, so tsc still runs separately
- They diverge on capability: Rollup covers Tree shaking, esbuild covers Very fast builds.
Where they differ
Only the attributes on which Rollup and esbuild actually diverge.
Identical on both: starting price (Free), pricing model (Open source, no licence fee), free tier (Yes), platforms (Linux, macOS, Windows), user rating (Not yet rated), category (Web Development).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Rollup
- Tree shaking
- Clean output
- Multiple output formats
- Plugin API
Only in esbuild
- Very fast builds
- TypeScript support
- Tree shaking and minification
- Simple API
What people use each for
The jobs each tool is most often brought in to do.
Rollup
- Publishing a JavaScript library in several module formatsnot esbuild
- Builds where output size and cleanliness matter more than build speednot esbuild
- Producing ES module output for consumers who will bundle it themselvesnot esbuild
esbuild
- Build pipelines where bundle time is the bottlenecknot Rollup
- Libraries and tools needing a fast, embeddable bundlernot Rollup
- Replacing slower bundlers where the plugin ecosystem is not needednot Rollup
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Rollup
- Slower than the Go and Rust bundlers that followed it, since it is written in JavaScript
- Application concerns like dev servers and hot reloading are not its job, so app builds need Vite on top
- Configuration for non-trivial applications gets verbose compared with tools that assume more
esbuild
- Deliberately does not type-check TypeScript, only strips types, so tsc still runs separately
- Plugin API is far narrower than webpack or Rollup, and complex builds hit its limits
- Code splitting support has historically lagged the more established bundlers
- Frequently used indirectly through Vite, so direct use is a narrower need than the download numbers suggest
Pricing, plan by plan
Rollup
Free- RollupFree
- Full functionality
- Commercial use permitted
- Community support
esbuild
Free- esbuildFree
- Full functionality
- Commercial use permitted
- Community support
Which should you pick?
Choose Rollup if
- You need tree shaking.
- You want to start without paying.
- You work on Linux, macOS, Windows.
- You also want clean output.
Choose esbuild if
- You need very fast builds.
- You want to start without paying.
- You work on Linux, macOS, Windows.
- You also want typescript support.
Questions people ask
- Is Rollup or esbuild better?
- Neither clearly leads. Rollup starts at Free and esbuild at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Rollup or esbuild?
- Rollup starts at Free and esbuild at Free.
- Does Rollup or esbuild run on more platforms?
- Both run on Linux, macOS, Windows, so platform support will not decide this one for you.
- Can I use Rollup for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Rollup best used for?
- Rollup is most often used for publishing a javascript library in several module formats, builds where output size and cleanliness matter more than build speed, producing es module output for consumers who will bundle it themselves. Of those, publishing a javascript library in several module formats and builds where output size and cleanliness matter more than build speed are not what esbuild is typically brought in for.
- What can Rollup do that esbuild cannot?
- Rollup covers Tree shaking, Clean output, Multiple output formats, Plugin API. esbuild covers Very fast builds, TypeScript support, Tree shaking and minification, Simple API.
Answered from the vendors’ own pages
Rollup: Is Rollup free?
Yes, open source under the MIT licence.
esbuild: Is esbuild free?
Yes, open source under the MIT licence.
Rollup: Rollup or webpack?
Rollup is the usual choice for libraries thanks to cleaner output and better tree shaking. webpack remains stronger for complex applications with heavy asset handling.
esbuild: Does esbuild type-check TypeScript?
No. It strips types for speed and does not check them. Run tsc separately if you need type checking.
Rollup: Do I need Rollup if I use Vite?
Not directly. Vite uses Rollup for production builds, so you already benefit from it.
esbuild: Do I need esbuild if I use Vite?
You already have it. Vite uses esbuild internally for dependency pre-bundling and transforms.
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