A toolchain for web projects, aimed to provide functionalities to maintain them. Biome offers formatter and linter, usable via CLI and LSP.
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feat(cli): add format errors to GitLab reporter (#8028)
2025-11-07 09:06:27 -05:00
.cargo ci: make it so windows devs don't get lints that don't show up on linux/macos (#7003) 2025-07-28 11:44:28 -04:00
.changeset feat(cli): add format errors to GitLab reporter (#8028) 2025-11-07 09:06:27 -05:00
.claude feat: promote rules (#7137) 2025-08-09 21:38:26 +01:00
.devcontainer chore(deps): update mcr.microsoft.com/devcontainers/universal docker tag to v3 (#6262) 2025-06-09 12:46:22 +02:00
.github chore(deps): update github-actions (#7952) 2025-11-03 15:06:05 +09:00
benchmark chore(deps): update dependency eslint to v9.39.0 (#7955) 2025-11-03 15:36:01 +09:00
crates feat(cli): add format errors to GitLab reporter (#8028) 2025-11-07 09:06:27 -05:00
e2e-tests fix: resolve settings based on path (#6175) 2025-05-30 12:09:24 +01:00
fuzz build: upgrade to Rust 2024 edition (#5224) 2025-03-02 10:18:47 +00:00
packages ci: release (#7965) 2025-11-05 08:22:40 -05:00
plugins feat: execute JS plugin in the Boa engine (#7300) 2025-08-28 14:11:20 +09:00
scripts chore: fix formatting and code of script (#7821) 2025-10-22 10:14:27 +01:00
xtask fix(deps): update rust crates (#7889) 2025-11-07 05:02:34 +00:00
.coderabbit.yaml chore: disable CodeRabbit review status (#7463) 2025-09-10 10:06:42 +02:00
.dockerignore Dockerised benchmark tool (#4494) 2023-05-21 12:22:26 +01:00
.editorconfig feat(migrate): migrate nursery rules (#2382) 2024-05-14 08:34:04 +01:00
.git-blame-ignore-revs chore: add #5236 to .git-blame-ignore-revs (#5238) 2025-03-02 12:56:35 +00:00
.gitattributes feat: better assist (#4508) 2024-11-27 16:36:13 +00:00
.gitignore chore: add .zed to gitignore (#7634) 2025-10-03 08:29:31 +01:00
.markdownlint.json fix(core): infer for-of and for-in loop variables (#6809) 2025-07-10 10:26:42 +02:00
AGENTS.md feat(html): implement {@debug} parsing (#7969) 2025-11-03 16:13:59 +00:00
biome.json feat(core): add force-ignore syntax to files.includes (#7359) 2025-08-31 15:51:06 +02:00
Cargo.lock fix(deps): update rust crates (#7889) 2025-11-07 05:02:34 +00:00
Cargo.toml chore(deps): update rust crate ignore to 0.4.25 (#7954) 2025-11-03 15:35:52 +09:00
CHANGELOG.md ci: publish workflow via changesets (#5038) 2025-02-06 08:28:51 +00:00
CHANGELOG_v1.md ci: add a job for linting markdown files (#6825) 2025-07-09 17:42:30 -04:00
CLAUDE.md chore: ai docs revamp (#7879) 2025-10-26 15:26:44 +00:00
clippy.toml chore: use Self where appropriate (#5699) 2025-04-18 10:36:57 +02:00
CODE_OF_CONDUCT.md chore: update contact method in CODE_OF_CONDUCT.md (#5752) 2025-04-23 14:37:21 -04:00
CONTRIBUTING.md chore: graphql tests options (#7979) 2025-11-04 09:38:11 +01:00
Dockerfile.benchmark chore(deps): update docker/dockerfile:1 docker digest to b6afd42 (#7735) 2025-10-14 12:52:44 +09:00
GOVERNANCE.md chore: fix various typos across codebase (#7216) 2025-08-14 11:12:41 +09:00
insta.yml fix(core): computed scan kind (#6378) 2025-06-19 09:46:04 +01:00
justfile fix(module_graph): limit flattening to hardcoded value (#7266) 2025-08-21 12:35:18 +01:00
LICENSE-APACHE docs(LICENSE-APACHE): fill copyright placeholder (#1166) 2023-12-13 16:34:35 +01:00
LICENSE-MIT chore: tidy-up licenses (#3438) 2024-07-15 12:19:59 +01:00
package.json chore(deps): update dependency @types/node to v22.19.0 (#7953) 2025-11-03 15:35:43 +09:00
pnpm-lock.yaml ci: release (#7965) 2025-11-05 08:22:40 -05:00
pnpm-workspace.yaml chore: link packages differently (#6558) 2025-06-26 13:24:14 +01:00
README.md chore: make README a symlink to the npm package README 2023-08-23 00:23:11 +02:00
RELEASES.md fix(RELEASES.md): grammar and typo error (#7993) 2025-11-05 08:21:36 +00:00
ROME_CHANGELOG.md fix(ROME_CHANGELOG.md): grammar and typo error (#7992) 2025-11-04 22:44:33 -05:00
rust-toolchain.toml chore: update Rust to v1.91.0 (#7947) 2025-11-03 06:03:09 +00:00
rustfmt.toml chore: add edition 2024 to rustfmt.toml (#7591) 2025-09-25 11:21:10 +09:00
taplo.toml chore: move changes to changesets (#5044) 2025-02-06 09:25:29 +00:00


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, JSON, CSS and GraphQL that scores 97% compatibility with Prettier.

Biome is a performant linter for JavaScript, TypeScript, JSX, JSON, CSS, and GraphQL that features more than 340 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.

Installation

npm install --save-dev --save-exact @biomejs/biome

Usage

# format files
npx @biomejs/biome format --write

# lint files and apply the safe fixes
npx @biomejs/biome lint --write

# run format, lint, etc. and apply the safe fixes
npx @biomejs/biome check --write

# check all files against format, lint, etc. in CI environments
npx @biomejs/biome ci

If you want to give Biome a run without installing it, use the online playground, compiled to WebAssembly.

Documentation

Check out our homepage to learn more about Biome, or directly head to the Getting Started guide to start using Biome.

More about Biome

Biome has sane defaults and it doesn't require configuration.

Biome aims to support all main languages of modern web development.

Biome doesn't require Node.js to function.

Biome has first-class LSP support, with a sophisticated parser that represents the source text in full fidelity and top-notch error recovery.

Biome wants to offer a high-quality Developer Experience, with descriptive diagnostics and great performance.

Biome unifies functionalities that have previously been separate tools. Building upon a shared base allows us to provide a cohesive experience for processing code, displaying errors, parallelize work, caching, and configuration.

Read more about our project philosophy.

Biome is MIT licensed or Apache 2.0 licensed and moderated under the Contributor Covenant Code of Conduct.

Funding

You can fund the project in different ways

Project sponsorship and funding

You can sponsor or fund the project via Open collective or GitHub sponsors

Biome offers a simple sponsorship program that allows companies to get visibility and recognition among various developers.

Biome offers enterprise support, where Core Contributors can be employed to work on company-focused projects.

Sponsors

Gold Sponsors

Depot logo
Vercel

Silver Sponsors

L2BEAT logo Phoenix Labs logo Lokalise logo

Bronze Sponsors

Nanabit logo Vital logo CodeRabbit logo Forge42 logo RStudio logo Pennylane logo JetBrains logo EGSTOCK, Inc. logo Convex logo Graphite logo