Oxlint Has Free Linting 50x Faster Than ESLint — Here's Why Projects Are Switching

ESLint is slow. On large codebases, it takes minutes. Oxlint written in Rust does the same job in seconds.

What is Oxlint?

Oxlint is a JavaScript/TypeScript linter written in Rust by the Oxc project. It is 50-100x faster than ESLint and catches many of the same issues.

Quick Start

npx oxlint@latest

That is it. No config file needed. It works out of the box.

Speed Comparison

Project: 10,000 TypeScript files
ESLint:  45 seconds
Oxlint:  0.8 seconds

50x faster. On CI, this means faster builds and quicker feedback.

What It Catches

// Catches: no-unused-vars
const unused = 42;

// Catches: no-debugger
debugger;

// Catches: no-console (configurable)
console.log("debug");

// Catches: eqeqeq
if (x == null) {} // Should be ===

// Catches: no-empty
try {} catch (e) {}

// Catches: no-constant-condition
if (true) {}

// Catches: no-self-compare
if (x === x) {}

Configuration

// .oxlintrc.json (optional)
{
  "rules": {
    "no-console": "warn",
    "no-debugger": "error",
    "eqeqeq": "error",
    "no-unused-vars": "warn"
  },
  "ignore_patterns": ["dist/**", "node_modules/**"]
}

CLI Options

# Lint specific files
oxlint src/

# Fix auto-fixable issues
oxlint --fix

# Specific rules
oxlint --deny no-debugger --warn no-console

# Output formats
oxlint --format json
oxlint --format github  # GitHub Actions annotations

Use Alongside ESLint

Oxlint is designed to complement ESLint, not replace it entirely. Use Oxlint for the fast checks it supports, keep ESLint for plugin-specific rules.

// package.json
{
  "scripts": {
    "lint": "oxlint && eslint --no-eslintrc -c .eslintrc.plugins.json src/",
    "lint:fix": "oxlint --fix && eslint --fix src/"
  }
}

Rules Coverage

Oxlint supports 400+ rules from:

• eslint (core rules)
• typescript-eslint
• eslint-plugin-react
• eslint-plugin-react-hooks
• eslint-plugin-jsx-a11y
• eslint-plugin-import
• eslint-plugin-unicorn
• eslint-plugin-jest
• eslint-plugin-jsdoc

Oxlint vs ESLint vs Biome

Feature	Oxlint	ESLint	Biome
Speed	50-100x faster	Baseline	10-20x faster
Language	Rust	JavaScript	Rust
Config	Optional	Required	Optional
Plugins	No	2000+	No
Formatter	No	No	Yes
Drop-in	Mostly	N/A	Partial

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