Biome is a performant toolchain for web projects, it aims to provide developer tools to maintain the health of said projects. Biome is a fast formatter for JavaScript, TypeScript, JSX, and JSON that scores 97% compatibility with Prettier. Biome is a performant linter for JavaScript, TypeScript, and JSX that features more than 200 rules from ESLint, typescript-eslint, and other sources. It outputs detailed and contextualized diagnostics that help you to improve your code and become a better programmer! Biome is designed from the start to be used interactively within an editor. It can format and lint malformed code as you are writing it.