ScriptsApr 6, 2026·2 min read

Biome — Fast Formatter & Linter for Web Projects

Rust-powered formatter and linter for JavaScript, TypeScript, JSX, JSON, and CSS. 35x faster than Prettier + ESLint combined. One tool, zero config, consistent output. 16,000+ stars.

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Script Depot · Community
Quick Use

Use it first, then decide how deep to go

This block should tell both the user and the agent what to copy, install, and apply first.

# Install
npm install --save-dev @biomejs/biome

# Format all files
npx biome format --write .

# Lint all files
npx biome lint .

# Both at once
npx biome check --write .

Add to biome.json:

{
  "$schema": "https://biomejs.dev/schemas/1.9.0/schema.json",
  "formatter": { "indentStyle": "space", "indentWidth": 2 },
  "linter": { "enabled": true, "rules": { "recommended": true } }
}
Intro

Biome is a Rust-powered formatter and linter for JavaScript, TypeScript, JSX, JSON, and CSS with 16,000+ GitHub stars. It replaces Prettier + ESLint with a single tool that runs 35x faster, requires zero configuration, and produces identical output every time. One npx biome check --write . formats and lints your entire project in milliseconds. Best for web development teams who want fast, consistent code quality without config fatigue. Works with: any JS/TS project, CI/CD pipelines, pre-commit hooks. Setup time: under 1 minute.

What Biome Replaces

Old Tools Biome Equivalent Speed
Prettier + ESLint biome check 35x faster
Prettier biome format 25x faster
ESLint biome lint 15x faster

Zero Config

Biome works out of the box with sensible defaults. No .prettierrc, no .eslintrc, no plugin conflicts:

npx biome check --write .
# Done. All files formatted and linted.

300+ Lint Rules

Biome includes rules from ESLint, TypeScript ESLint, and custom rules:

{
  "linter": {
    "rules": {
      "recommended": true,
      "correctness": { "noUnusedVariables": "error" },
      "suspicious": { "noExplicitAny": "warn" },
      "style": { "useConst": "error" }
    }
  }
}

Language Support

Language Format Lint
JavaScript Yes Yes
TypeScript Yes Yes
JSX/TSX Yes Yes
JSON Yes Yes
CSS Yes Yes
GraphQL Yes Coming

Editor Integration

  • VS Code: biomejs.biome extension
  • JetBrains: built-in support
  • Neovim: LSP support
  • Format-on-save works instantly

CI Integration

# .github/workflows/quality.yml
- name: Biome
  run: npx biome ci .

Migration from Prettier + ESLint

# Auto-migrate your config
npx biome migrate prettier
npx biome migrate eslint

Key Stats

  • 16,000+ GitHub stars
  • Written in Rust
  • 35x faster than Prettier + ESLint
  • 300+ lint rules
  • JS, TS, JSX, JSON, CSS support

FAQ

Q: What is Biome? A: Biome is a Rust-powered formatter and linter that replaces Prettier + ESLint with a single, 35x faster tool for JavaScript, TypeScript, and CSS projects.

Q: Is Biome free? A: Yes, fully open-source under MIT license.

Q: Is Biome compatible with Prettier formatting? A: 97% compatible. Run biome migrate prettier to import your existing config.

🙏

Source & Thanks

Created by Biome. Licensed under MIT.

biome — ⭐ 16,000+

Thanks for proving that code quality tools don't have to be slow.

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