Development Tools · head to head
ESLint vs Next.js
The short version
- Each has a real cost: ESLint slow performance on large codebases compared to newer tools like Oxlint and Biome; Next.js opinionated architecture reduces flexibility compared to using React alone with separate libraries
Where they differ
Only the attributes on which ESLint and Next.js actually diverge.
Identical on both: starting price (Free), pricing model (Unknown), 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 ESLint
Nothing recorded that Next.js does not also cover.
Only in Next.js
- Server-side rendering
- Static site generation
- API routes
- Automatic code splitting
- Built-in CSS support
- Image optimization
- File-based routing
- TypeScript support
What people use each for
The jobs each tool is most often brought in to do.
ESLint
- Statically analysing JavaScript and JSX to find problems before runtimenot Next.js
- Automatically fixing issues with syntax-aware rewritesnot Next.js
- Enforcing a consistent code style across a teamnot Next.js
- Running as a CI step to block non-conforming codenot Next.js
- Writing custom rules for project-specific conventionsnot Next.js
Next.js
- E-commerce websitesnot ESLint
- Static websitesnot ESLint
- Server-side rendered appsnot ESLint
- Jamstack applicationsnot ESLint
- Progressive web appsnot ESLint
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
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
Next.js
- Opinionated architecture reduces flexibility compared to using React alone with separate libraries
- Required build and deployment infrastructure adds complexity for beginners
- Server Components paradigm represents significant mental model shift from traditional client-side React
- Async request handling in version 15 requires relearning APIs (params, cookies, headers now require await)
- Lock-in to Vercel ecosystem for optimal performance, though other platforms are supported
Pricing, plan by plan
ESLint
FreeNo published plan breakdown. See the ESLint review.
Next.js
FreeNo published plan breakdown. See the Next.js review.
Which should you pick?
Choose ESLint if
- You want to start without paying.
- You work on Browser-based JavaScript, Node.js, Any JavaScript environment.
Choose Next.js if
- You need server-side rendering.
- You want to start without paying.
- You work on Node.js, Edge Runtime, Vercel, Web browsers.
- You also want static site generation.
Questions people ask
- Is ESLint or Next.js better?
- Neither clearly leads. ESLint starts at Free and Next.js at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, ESLint or Next.js?
- ESLint starts at Free and Next.js at Free.
- Does ESLint or Next.js run on more platforms?
- ESLint runs on Browser-based JavaScript, Node.js, Any JavaScript environment. Next.js runs on Node.js, Edge Runtime, Vercel, Web browsers.
- Can I use ESLint for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is ESLint best used for?
- ESLint is most often used for statically analysing javascript and jsx to find problems before runtime, automatically fixing issues with syntax-aware rewrites, enforcing a consistent code style across a team, running as a ci step to block non-conforming code. Of those, statically analysing javascript and jsx to find problems before runtime and automatically fixing issues with syntax-aware rewrites are not what Next.js is typically brought in for.
- What can ESLint do that Next.js cannot?
- Next.js covers Server-side rendering, Static site generation, API routes, Automatic code splitting.
Answered from the vendors’ own pages
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.
SourceNext.js: Is Next.js free?
Yes. Next.js is free, open-source software built on React and maintained by Vercel. The framework itself has no licensing costs. Hosting and deployment fees depend on your chosen platform.
SourceESLint: 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.
SourceNext.js: What are the key features of Next.js?
Next.js includes Server-Side Rendering (SSR), Static Site Generation (SSG), Incremental Static Regeneration (ISR), file-based routing, API routes, automatic code splitting, image optimization, and built-in performance optimizations that typically result in 90+ Lighthouse scores.
SourceESLint: 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.
SourceNext.js: Can I host Next.js applications for free?
Yes. Vercel offers a free Hobby tier for Next.js applications. Netlify and other platforms also provide free hosting tiers with generous bandwidth and build limits for testing and personal projects.
SourceNext.js: Does Next.js require a build step?
Yes. Next.js requires a build step (next build) before deployment to production. This compiles your application and prepares it for optimal performance, though local development runs directly without this step.
SourceNext.js: What is React Server Components in Next.js?
React Server Components are a feature in Next.js that allow components to run on the server, reducing JavaScript sent to clients and improving security by keeping sensitive data server-side. They became stable in Next.js 15.
SourceRelated pages
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