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Biome

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Fast formatter and linter for JavaScript and TypeScript

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Tracked since2025
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The Bottom Line

Entry price

Free, no paid tier

Biggest pro

Fast linter/formatter

Biggest con

Newer tool

TL;DR - Biome

  • Biome is a fast formatter and linter for JavaScript, TypeScript, JSON, and more
  • It replaces ESLint and Prettier with a single tool written in Rust for speed
  • Free and open-source
Pricing: Free forever
Best for: Individuals & startups

What is Biome?

Editorial review
Biome formats and lints JavaScript and TypeScript faster than the tools it replaces. One tool handles what used to require Prettier and ESLint, with performance that makes the difference noticeable. Compatibility with existing configurations eases migration. The rules catch real issues. The formatting is consistent and non-configurable where it matters. Teams looking to speed up their JavaScript toolchain or simplify their lint setup adopt Biome for meaningful performance gains.

Available on: Web

how we evaluateSourcebiomejs.dev ↗

Pros & Cons

Pros

  • Fast linter/formatter
  • Rust-based
  • Rome successor
  • Single tool
  • Good performance

Cons

  • Newer tool
  • Ecosystem building
  • Plugin system limited
  • Migration effort
  • Community smaller

Key Features

FormatterLinterFastRust-basedPrettier/ESLint alternativeOpen source

Pricing Plans

Pricing checked Aug 26, 2026

Most Popular

Free

Open source

  • Linter
  • Formatter
  • Fast performance
  • MIT license
Calculate your costView full pricing

Is Biome worth the price?

100/100

Biome offers a completely free and open-source solution, making it incredibly generous.

Since it's MIT-licensed and replaces paid or complex setups like ESLint + Prettier, its value is exceptionally high. This pricing is best for any JavaScript/TypeScript developer or team looking for a fast, integrated linter and formatter without any cost.

Hidden Costs & Gotchas

No hidden costs; it's genuinely free.

Potential future enterprise features (speculative).

No dedicated support beyond community.

How Biome Compares to Competitors

Biome directly competes with ESLint and Prettier, both of which are also free and open-source. However, Biome's key differentiator is its Rust-based performance and combined functionality, aiming to simplify the toolchain. While ESLint and Prettier require separate configurations and potentially more setup, Biome offers a unified, faster alternative at the same $0 price point.

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Best Biome Alternatives

Top alternatives based on features, pricing, and user needs.

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Babel logo
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Use tomorrow's JavaScript today, anywhere

4.6
SWC logo
SWCFree

Super-fast TypeScript/JavaScript compiler

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Still deciding?

Most buyers shortlist 2 or 3 tools before committing. Pull a side-by-side comparison or browse the full alternatives shortlist below.

Biome vs ESLintHead-to-head: features, pricing, who winsBiome vs PrettierHead-to-head: features, pricing, who winsBiome vs BabelHead-to-head: features, pricing, who wins

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Biome FAQ

How does Biome improve JavaScript and TypeScript development workflows?

Biome streamlines development by combining formatting and linting into a single, fast tool for JavaScript and TypeScript. This integration means developers no longer need separate tools like Prettier and ESLint, simplifying their setup and speeding up their toolchain.

Which teams benefit most from adopting Biome?

Teams looking to accelerate their JavaScript toolchain or simplify their linting configuration will find Biome particularly beneficial. It offers meaningful performance gains, which can be noticeable in daily development tasks.

How does Biome compare to Prettier for code formatting?

Biome provides both formatting and linting capabilities in one tool, whereas Prettier focuses solely on formatting. Biome aims to offer a faster alternative, handling tasks that previously required both Prettier and ESLint.

What kind of trade-offs should teams consider before migrating to Biome?

Teams should be aware that Biome is a newer tool with an ecosystem that is still developing. Its plugin system is currently limited, and migrating to it may require some initial effort.

Does Biome include a free tier?

Biome is free to use, meaning there is no paid plan required to access its features. This makes it accessible for all developers and teams.

Can Biome integrate with existing project configurations?

Yes, Biome is designed with compatibility in mind, easing the migration process from existing configurations. This allows teams to adopt Biome without a complete overhaul of their current setup.

Source: biomejs.dev

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