Web Development · head to head
esbuild vs ESLint
esbuild
Web Development
Extremely fast JavaScript bundler written in Go
- From
- Free
- Rated
- -
The short version
- Each has a real cost: esbuild deliberately does not type-check TypeScript, only strips types, so tsc still runs separately; ESLint slow performance on large codebases compared to newer tools like Oxlint and Biome
Where they differ
Only the attributes on which esbuild and ESLint actually diverge.
Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).
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 esbuild
- Very fast builds
- TypeScript support
- Tree shaking and minification
- Simple API
Only in ESLint
Nothing recorded that esbuild does not also cover.
What people use each for
The jobs each tool is most often brought in to do.
esbuild
- Build pipelines where bundle time is the bottlenecknot ESLint
- Libraries and tools needing a fast, embeddable bundlernot ESLint
- Replacing slower bundlers where the plugin ecosystem is not needednot ESLint
ESLint
- Statically analysing JavaScript and JSX to find problems before runtimenot esbuild
- Automatically fixing issues with syntax-aware rewritesnot esbuild
- Enforcing a consistent code style across a teamnot esbuild
- Running as a CI step to block non-conforming codenot esbuild
- Writing custom rules for project-specific conventionsnot esbuild
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
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
ESLint
- Slow performance on large codebases compared to newer tools like Oxlint and Biome
- Complexity in configuration from scratch, particularly for TypeScript support
- Limited built-in TypeScript support, requiring separate parsers and coordination with new TypeScript features
Pricing, plan by plan
esbuild
Free- esbuildFree
- Full functionality
- Commercial use permitted
- Community support
ESLint
FreeNo published plan breakdown. See the ESLint review.
Which should you pick?
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.
Choose ESLint if
- You want to start without paying.
- You work on Browser-based JavaScript, Node.js, Any JavaScript environment.
Questions people ask
- Is esbuild or ESLint better?
- Neither clearly leads. esbuild starts at Free and ESLint at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, esbuild or ESLint?
- esbuild starts at Free and ESLint at Free.
- Does esbuild or ESLint run on more platforms?
- esbuild runs on Linux, macOS, Windows. ESLint runs on Browser-based JavaScript, Node.js, Any JavaScript environment.
- Can I use esbuild for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is esbuild best used for?
- esbuild is most often used for build pipelines where bundle time is the bottleneck, libraries and tools needing a fast, embeddable bundler, replacing slower bundlers where the plugin ecosystem is not needed. Of those, build pipelines where bundle time is the bottleneck and libraries and tools needing a fast, embeddable bundler are not what ESLint is typically brought in for.
- What can esbuild do that ESLint cannot?
- esbuild covers Very fast builds, TypeScript support, Tree shaking and minification, Simple API.
Answered from the vendors’ own pages
esbuild: Is esbuild free?
Yes, open source under the MIT licence.
ESLint: Does ESLint automatically fix code issues?
Many problems ESLint finds can be automatically fixed via the --fix flag. ESLint fixes are syntax-aware so you won't experience errors introduced by traditional find-and-replace algorithms.
Sourceesbuild: Does esbuild type-check TypeScript?
No. It strips types for speed and does not check them. Run tsc separately if you need type checking.
ESLint: How much does ESLint cost?
ESLint is completely free and open-source software maintained by the OpenJS Foundation. The project accepts voluntary donations from sponsors.
Sourceesbuild: Do I need esbuild if I use Vite?
You already have it. Vite uses esbuild internally for dependency pre-bundling and transforms.
ESLint: Can I write custom ESLint rules?
Yes. You can develop custom rules that work alongside built-in functionality through ESLint's plugin system, allowing complete customization for your project needs.
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- ESLint vs Eclipse IDE
- ESLint vs Moonrepo
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