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formatjs/formatjs

The monorepo home to all of the FormatJS related libraries, most notably react-intl.

14,746

stars

6,241

commits

TypeScript

primary language

Sep 11, 2026

updated

formatjs.github.io/
formatjs
globalization
i18n
internationalization
intl
javascript
localization
react
translation
ui
web

README

FormatJS

Unit Tests Slack FormatJS Sauce Browser Matrix Status

This repository is the home of FormatJS and related libraries.

Slack: Join us on Slack at formatjs.slack.com for help, general conversation and more πŸ’¬πŸŽŠπŸŽ‰ You can sign-up using this invitation link.

Development

See CONTRIBUTING.md for instructions.

Published Packages

PackageVersionChangelogLicense
@formatjs/cliversionCHANGELOGlicense
@formatjs/cli-libversionCHANGELOGlicense
@formatjs/icu-messageformat-parserversionCHANGELOGlicense
@formatjs/intl-datetimeformatversionCHANGELOGlicense
@formatjs/intl-displaynamesversionCHANGELOGlicense
@formatjs/intl-getcanonicallocalesversionCHANGELOGlicense
@formatjs/intl-listformatversionCHANGELOGlicense
@formatjs/intl-localeversionCHANGELOGlicense
@formatjs/intl-localematcherversionCHANGELOGlicense
@formatjs/intl-numberformatversionCHANGELOGlicense
@formatjs/intl-pluralrulesversionCHANGELOGlicense
@formatjs/intl-relativetimeformatversionCHANGELOGlicense
@formatjs/intl-segmenterversionCHANGELOGlicense
@formatjs/intlversionCHANGELOGlicense
@formatjs/ts-transformerversionCHANGELOGlicense
babel-plugin-formatjsversionCHANGELOGlicense
eslint-plugin-formatjsversionCHANGELOGlicense
intl-messageformatversionCHANGELOGlicense
react-intlversionCHANGELOGlicense
@formatjs/utilsversionCHANGELOGlicense

Big Thanks

Cross-browser Testing Platform and Open Source <3 Provided by Sauce Labs

Contributors

(top 30 of 329)

longlho

3,099 commits

renovate[bot]

1,021 commits

ericf

734 commits

dependabot[bot]

372 commits

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formatjs/formatjs

The monorepo home to all of the FormatJS related libraries, most notably react-intl.

14,746

stars

6,241

commits

TypeScript

primary language

Sep 11, 2026

updated

formatjs.github.io/
formatjs
globalization
i18n
internationalization
intl
javascript
localization
react
translation
ui
web

README

FormatJS

Unit Tests Slack FormatJS Sauce Browser Matrix Status

This repository is the home of FormatJS and related libraries.

Slack: Join us on Slack at formatjs.slack.com for help, general conversation and more πŸ’¬πŸŽŠπŸŽ‰ You can sign-up using this invitation link.

Development

See CONTRIBUTING.md for instructions.

Published Packages

PackageVersionChangelogLicense
@formatjs/cliversionCHANGELOGlicense
@formatjs/cli-libversionCHANGELOGlicense
@formatjs/icu-messageformat-parserversionCHANGELOGlicense
@formatjs/intl-datetimeformatversionCHANGELOGlicense
@formatjs/intl-displaynamesversionCHANGELOGlicense
@formatjs/intl-getcanonicallocalesversionCHANGELOGlicense
@formatjs/intl-listformatversionCHANGELOGlicense
@formatjs/intl-localeversionCHANGELOGlicense
@formatjs/intl-localematcherversionCHANGELOGlicense
@formatjs/intl-numberformatversionCHANGELOGlicense
@formatjs/intl-pluralrulesversionCHANGELOGlicense
@formatjs/intl-relativetimeformatversionCHANGELOGlicense
@formatjs/intl-segmenterversionCHANGELOGlicense
@formatjs/intlversionCHANGELOGlicense
@formatjs/ts-transformerversionCHANGELOGlicense
babel-plugin-formatjsversionCHANGELOGlicense
eslint-plugin-formatjsversionCHANGELOGlicense
intl-messageformatversionCHANGELOGlicense
react-intlversionCHANGELOGlicense
@formatjs/utilsversionCHANGELOGlicense

Big Thanks

Cross-browser Testing Platform and Open Source <3 Provided by Sauce Labs

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Contributors

(top 30 of 329)

longlho

3,099 commits

renovate[bot]

1,021 commits

ericf

734 commits

dependabot[bot]

372 commits

Languages

TypeScript

63.9%

Rust

21.6%

Starlark

11.7%

JavaScript

1.5%