Intlayer is an open-source content management solution for multilingual apps in React, Next.js, Nuxt, Vue.js and Vite. It’s designed to help you build and manage multilingual content for your SaaS, side project, or any other internationalized app.

Intlayer focuses on maintainability and scalability, helping teams keep their app structure clean while improving synchronization between developers. It offers a straightforward, flexible internationalization setup that helps speeding up the developement of multilingual applications. With Intlayer, developers and content creators can manage and evolve the same content simultaneously.

✨ Key Features

Cross-Framework Support → works across React, Next.js, Vue.js, Nuxt, Vite, and more.
Auto-fill of translations → missing entries in your dictionaries are automatically completed, no more manual fixes.
MCP Server → streamline i18n workflows and automate content management directly in your IDE.
VSCode Extension → manage translations, build dictionaries, and keep content in sync right inside your editor.
Type-Safe Environment → leverage TypeScript for error-free content definitions and IDE autocompletion.
Built-in Testing Tools → catch missing translations before they ever reach production.

💡 Perfect for developers who care about maintainability and scalability

🧠 Coming soon:

plugin-based outputs for i18next, next-intl react-intl & vue-i18n
Intlayer for Svelte / SvelteKit developers

For developers: instead of maintaining bulky JSON files, Intlayer lets you define and access your multilingual content everywhere within your codebase, using either JSON or TypeScript files.

👉 Intlayer is free and open-source. We just launched and would love your feedback!

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Projects

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Projects

Intlayer