Dev Toolchain
biome

Biome

TypeScriptOpen SourceLintingFormatting

Unified Rust-based formatter and linter for JavaScript and TypeScript — replaces Prettier and ESLint in one 10x faster tool.

License

MIT

Language

TypeScript

80
Trust
Strong

Why Biome?

New projects wanting a single fast tool instead of Prettier + ESLint

Large codebases where ESLint + Prettier are slow in CI

Teams frustrated with eslint-config-prettier conflicts between formatter and linter

Signal Breakdown

What drives the Trust Score

npm downloads
2M / wk
Commits (90d)
350 commits
GitHub stars
16k ★
Stack Overflow
200 q's
Community
Growing
Weighted Trust Score80 / 100

Download Trend

Last 12 months

Tradeoffs & Caveats

Know before you commit

Projects relying on ESLint plugins with no Biome equivalent (yet)

Codebases with heavily customized Prettier/ESLint configs — migration takes time

Pricing

Free tier & paid plans

Free tier

Open source, free to use

Paid

Free & open-source

Alternative Tools

Other options worth considering

eslint
ESLint92Excellent

The standard JavaScript and TypeScript linter — enforce code quality rules, catch bugs early, and maintain consistent code style across a team.

prettier
Prettier90Excellent

Opinionated code formatter for JavaScript, TypeScript, CSS, JSON, and more — eliminate all style debates by letting a machine format your code.

Often Used Together

Complementary tools that pair well with Biome

typescript

TypeScript

Dev Toolchain

95Excellent
View
vite

Vite

Frontend & UI

93Excellent
View
bun

Bun

Backend Frameworks

86Strong
View

Learning Resources

Docs, videos, tutorials, and courses

Get Started

Repository and installation options

View on GitHub

github.com/biomejs/biome

npmnpm install -D @biomejs/biome

Quick Start

Copy and adapt to get going fast

npm install -D @biomejs/biome
npx biome init

# Format and lint
npx biome check --write .

# biome.json
{ "linter": { "enabled": true }, "formatter": { "enabled": true } }

Community Notes

Real experiences from developers who've used this tool