Dev workflow and DevOps · Comparison

ESLint vs Prettier

They answer different questions. ESLint asks whether code is likely to be wrong; Prettier decides how it should look. Most JavaScript projects run both.

2 options · 8 questions side by side · updated

CompareESLintPrettier
What it doesFinds bugs and risky patternsRewrites layout into one style
Example catchUnused variables, misused React hooksQuotes, semicolons, indentation, line breaks
Changes your codeReports problems; auto-fixes some rulesReformats the whole file every time
ConfigurationMany rules and plugins to choose fromA handful of options, by design
LanguagesJavaScript and TypeScript, more via pluginsJS, TS, CSS, HTML, JSON, Markdown, YAML
SpeedSlower on big codebases, above all with type-aware rulesFast
Where it runsEditor, pre-commit hook and CIEditor on save, pre-commit hook and CI
Faster alternativesBiome, oxlintBiome, dprint

How to choose between ESLint and Prettier

  • Use both: Prettier for formatting and ESLint for code quality, with eslint-config-prettier switching off the style rules that overlap.
  • Consider Biome when one fast tool that both lints and formats is worth giving up some ESLint plugins.

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