i18next goes beyond just providing the standard i18n features such as (plurals, context, interpolation, format). It provides you with a complete solution to localize your product from web to mobile and desktop.
learn once - translate everywhere
The i18next-community created integrations for frontend-frameworks such as React, AngularJS, Vue.js and many more.
But this is not where it ends. You can also use i18next with Node.js, PHP, iOS, Android and other platforms.
The framework was built with scalability in mind. For smaller projects, having a single file with all the translation might work, but for larger projects this approach quickly breaks down. i18next gives you the option to separate translations into multiple files and to load them on demand.