# i18next: learn once - translate everywhere [](https://x.com/intent/tweet?text=Awesome%20i18next:%20learn%20once%20-%20translate%20everywhere%20-%20the%20internationalization%20ecosystem%20&url=https://github.com/i18next/i18next&via=jamuhl&hashtags=i18n,javascript,dev)
[](https://github.com/i18next/i18next/actions/workflows/CI.yml)
[](https://coveralls.io/github/i18next/i18next)
[](https://packagequality.com/#?package=i18next)
[](https://cdnjs.com/libraries/i18next)
[](https://www.npmjs.com/package/i18next)
[](https://gurubase.io/g/i18next)
i18next is a very popular internationalization framework for browser or any other javascript environment (eg. Node.js, Deno).
i18next provides:
- Flexible connection to [backend](https://www.i18next.com/overview/plugins-and-utils#backends) (loading translations via xhr, ...)
- Optional [caching](https://www.i18next.com/how-to/caching), user [language detection](https://www.i18next.com/overview/plugins-and-utils#language-detector), ...
- Proper [pluralizations](https://www.i18next.com/translation-function/plurals)
- Translation [context](https://www.i18next.com/translation-function/context)
- [Nesting](https://www.i18next.com/translation-function/nesting), [Variable replacement](https://www.i18next.com/translation-function/interpolation)
- Flexibility: [Use it everywhere](https://www.i18next.com/overview/supported-frameworks)
- Extensibility: eg. [sprintf](https://www.i18next.com/overview/plugins-and-utils#post-processors)
- ...
> **Pro Tip:** Looking for a way to manage your translations? [Locize](https://www.locize.com?utm_source=i18next_readme&utm_medium=github&utm_campaign=readme) is the official service by i18next's creators — drop in [`i18next-locize-backend`](https://github.com/locize/i18next-locize-backend) for CDN delivery, AI translation, and no redeploys for copy changes. **[Free plan](https://www.locize.com/pricing?utm_source=i18next_readme&utm_medium=github&utm_campaign=readme)** available for small projects.
For more information visit the website:
- [Getting started](https://www.i18next.com/overview/getting-started)
- [Translation Functionality](https://www.i18next.com/translation-function/essentials)
- [API](https://www.i18next.com/overview/api)
Our focus is providing the core to building a booming ecosystem. Independent of the building blocks you choose, be it react, angular or even good old jquery proper translation capabilities are just [one step away](https://www.i18next.com/overview/supported-frameworks).
### Documentation
The general i18next documentation is published on [www.i18next.com](https://www.i18next.com) and PR changes can be supplied [here](https://github.com/i18next/i18next-gitbook).
The react specific documentation is published on [react.i18next.com](https://react.i18next.com) and PR changes can be supplied [here](https://github.com/i18next/react-i18next-gitbook).
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