Tools & Libraries

Open-source tools, libraries, and plugins to streamline your localization workflow across every platform.

iOS Development

Native tools for iOS localization — locale fallback, over-the-air updates, and Xcode integration.

iOS Locale Chain

Swift

Smart locale fallback chains for native iOS apps. One-line setup, zero migration cost.

iOS OTA Updates

Swift

Over-the-air translation updates for iOS apps — skip the App Store review cycle.

Xcode Sync

macOS App

macOS menu bar app for one-click localization of Xcode projects.

Android Development

Native tools for Android localization — locale fallback and Android Studio integration.

Android Locale Chain

Kotlin

Smart locale fallback chains for Android apps. Two-line setup, works with Compose and XML.

Android Studio Plugin

IDE Plugin

One-click localization from Android Studio — pull and push translations directly.

Mobile

Cross-platform mobile locale fallback chains for Flutter and Kotlin Multiplatform.

Flutter Locale Chain

Dart

Smart locale fallback chains for Flutter apps. Works with iOS & Android Flutter apps.

KMP Locale Chain

Kotlin

Smart locale fallback chains for Kotlin Multiplatform. Works on JVM, iOS, JS with zero platform code.

Frontend

Locale fallback chains for modern web frameworks — Next.js, React, Svelte, and Angular.

Next.js Locale Chain

TypeScript

Smart locale fallback chains for next-intl. One-line setup with withLocaleChain() wrapper.

React Intl Locale Chain

TypeScript

Smart locale fallback chains for react-intl (FormatJS). Drop-in IntlProvider replacement.

Svelte i18n Locale Chain

TypeScript

Smart locale fallback chains for svelte-i18n. Drop-in replacement with automatic regional fallback.

Angular Locale Chain

TypeScript

Smart locale fallback chains for Angular i18n. Works with @angular/localize and ngx-translate.

Backend

Locale fallback chains for server-side languages and frameworks — Go, .NET, Python, Spring Boot, Django, and Flask-Babel.

Go Locale Chain

Go

Smart locale fallback chains for Go applications. Works with go-i18n and golang.org/x/text.

.NET Locale Chain

C#

Smart locale fallback chains for .NET applications. Works with ASP.NET Core, WPF, and MAUI.

python-i18n Locale Chain

Python

Smart locale fallback chains for python-i18n. Drop-in replacement with automatic regional fallback.

Spring Locale Chain

Java

Smart locale fallback chains for Spring Boot. Drop-in LocaleResolver replacement with automatic regional fallback.

Django Locale Chain

Python

Smart locale fallback chains for Django. Middleware-based setup with automatic regional fallback.

Flask-Babel Locale Chain

Python

Smart locale fallback chains for Flask-Babel. Middleware-based setup with automatic regional fallback.

Laravel Locale Chain

PHP

Smart locale fallback chains for Laravel. Fixes both the single-fallback limitation and the JSON translation fallback bug.

Game Engines

Locale fallback chains for game engines — Godot and Unreal Engine.

Godot Locale Chain

GDScript

Smart locale fallback chains for Godot Engine. GDScript addon with automatic regional fallback.

Unreal Engine Locale Chain

C++

Smart locale fallback chains for Unreal Engine. C++ plugin with Blueprint support and automatic regional fallback.

i18n Utilities

Cross-platform localization file format conversion, validation, and pseudo-translation testing tools.

i18n Convert

Rust CLI

Universal cross-platform localization file format converter. 32+ formats, zero dependencies.

i18n Pseudo

Rust CLI

Pseudo-translate localization files for testing i18n implementations. Supports 32+ formats via i18n-convert.

i18n Validate

Rust CLI

Validate i18n translation files for consistency across 32+ formats. CI/CD ready with JUnit reports.

Tools & Plugins

Command-line tools, IDE integrations, and API access for developers.

CLI Tool

CLI

Command-line interface for i18n Agent — translate files, manage projects, automate workflows.

MCP Client

MCP

Model Context Protocol client for AI-powered translation directly in your IDE.

API Docs

Docs

Complete API documentation for integrating i18n Agent into your workflow.