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Biome is a free, open-source Rust-powered toolchain that replaces ESLint and Prettier with a single binary — delivering 10–25x faster linting and formatting with 97% Prettier compatibility and 483 built-in lint rules.
Biome is a high-performance, all-in-one toolchain for web projects that replaces both ESLint and Prettier with a single Rust-powered binary. We rate it 85/100 — an outstanding choice for JavaScript and TypeScript developers who want blazing-fast linting and formatting without the maintenance overhead of multiple tools and dozens of npm packages.
Biome was officially launched on , as the community successor to Rome Tools — a project that shut down when the company behind it folded. Core contributors, led by Emanuele Stoppa, forked the codebase and rebuilt it under the new name (a portmanteau of "Bis" and "Rome," meaning a second iteration). What started as a community rescue effort has since become one of the most exciting developer tools on GitHub, accumulating 24,400+ stars and growing. The latest release is v2.4.12 as of .
The fundamental problem Biome solves: the modern JavaScript toolchain is fragmented and slow. A typical project runs ESLint (with 5–10 plugins), Prettier, and lint-staged — consuming hundreds of npm packages, multiple config files, and several seconds per run. Biome collapses all of this into a single self-contained binary with zero required configuration and benchmarks that regularly show 10–25x speedups over the ESLint + Prettier combination.
noAutofocus, useAltText, useValidAriaRole, and more.npm install --save-dev @biomejs/biome and run biome check. No .eslintrc, no .prettierrc, no babel.config.js. One biome.json handles everything when you do want to customize.:slotted, :deep, :global, and :local.
Community sentiment is overwhelmingly positive with a few recurring caveats. On r/reactjs, a recent thread titled "Biome is an awesome linter" drew extensive agreement — one highly-upvoted comment summarized: "I've ripped out ESLint and Prettier from everything and switched to Biome. Haven't looked back." On r/webdev, users who switched away from Biome primarily cited missing ESLint plugins they depended on, such as eslint-plugin-import or framework-specific rules. On Hacker News (37k+ engagement on the original announcement), the most upvoted technical comment noted Biome's approach of trading plugin extensibility for speed and simplicity — calling it "the right trade for 90% of projects." The main recurring complaint across all platforms: Biome's type-aware linting sits around 85% coverage of what typescript-eslint offers, meaning power users with complex TypeScript codebases may hit gaps. Depot, the Docker build acceleration platform, became Biome's exclusive platinum sponsor in December 2025 — signaling real enterprise confidence in the project's longevity.
Biome is completely free and open source under the MIT license. There are no paid tiers, usage limits, or API rate limits. The project is funded through Open Collective sponsorships, with Vercel, Depot, and others contributing. An Enterprise support tier exists for organizations that need a formal SLA — contact the team at biomejs.dev/enterprise.
| Plan | Price | Details |
|---|---|---|
| Open Source | $0 | Full feature set, MIT license, unlimited usage |
| Enterprise Support | Contact | Formal SLA, dedicated support channel |
Best for: JavaScript and TypeScript developers who want the fastest possible formatter and linter without spending time managing toolchain config. Especially well-suited for teams starting new projects, monorepos where CI time is costly, and developers who are tired of the ESLint plugin ecosystem fragmentation. Biome is also ideal for frontend frameworks — Vue, Svelte, React, and Astro are all first-class citizens.
Not ideal for: Teams deeply invested in ESLint plugins that Biome has not yet replicated (e.g., complex custom rules, eslint-plugin-import ordering rules, or highly specific TypeScript rules from typescript-eslint). If your project relies on Prettier's exact output down to the character, be aware that 3% of formatting output differs.
Pros:
Cons:
ESLint + Prettier — the incumbent combination. More rules, more plugins, full type-aware linting, but 10–25x slower and requires managing 3–5 separate tools. Still the right choice if you depend on niche plugins. oxc — another Rust-based JavaScript toolchain focused on performance, developed by contributors including members of the Vue.js ecosystem. Newer and less feature-complete than Biome at this stage. deno fmt / deno lint — Deno's built-in tools are fast and Biome-like, but locked to the Deno runtime — not suitable for Node.js or Bun projects.
For the majority of JavaScript and TypeScript projects, Biome is the clear winner in 2026. If you are starting a new project or greenfield repo, use Biome — there is no reason not to. If you are on an existing codebase, the migration is low-risk: run biome migrate and Biome will automatically convert your ESLint and Prettier configs. The speed gains alone justify the switch. We rate Biome 85/100 — it would score higher if type-aware linting had full parity with typescript-eslint, but that gap is narrowing with every release.
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