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Prettier vs Biome (2026): Best Code Formatter for Modern JavaScript?

Code formatting shouldn't be a debate. But in 2026, there's a real choice: Prettier (the industry standard) or Biome (the faster, all-in-one challenger). Here's how they compare — and whether Biome is ready to replace Prettier.

Quick Comparison

Prettier Biome

Language JavaScript

Speed Fast (but slower on large repos)

Formatting Opinionated, minimal options

Linting No (use ESLint separately)

Languages supported JS, TS, JSX, JSON, CSS, HTML, MD, YAML, GraphQL, etc.

Editor integration Every editor

Configuration .prettierrc

Prettier — The Safe, Universal Default

Prettier ended the "tabs vs spaces" debate by being aggressively opinionated. It works with every editor, every CI pipeline, and every language you throw at it.…