Svelte 5 Ready
svelte-i18n
Modern Internationalization for Svelte 5
A powerful, type-safe i18n library for Svelte 5 with automatic language loading and comprehensive formatting support
Core Features
Auto-Discovery
Add translations without recompiling - works for both apps and packages
Type Safety
Full TypeScript support with auto-completion and compile-time validation
SSR Support
Server-side rendering ready with built-in hydration support
Translation Editor
Built-in visual editor for managing and creating translations
Easy to Use
Simple configuration with intuitive API and smart defaults
Svelte 5 Runes
Built with $state, $derived, and modern Svelte 5 reactivity
Try it yourself!
String interpolation with name: Svelte
Welcome Svelte Developer!
Pluralization example
1 item
Nested translation keys
User Profile → Language
Date and number formatting
Current locale: en
Quick Start
import { setupI18n, getI18n } from '@shelchin/svelte-i18n';
// Setup in +layout.svelte
const i18n = setupI18n({
defaultLocale: 'en',
fallbackLocale: 'en'
});
// Use in components
const i18n = getI18n();
const message = $derived(i18n.t('welcome', { name }));7
Languages Loaded
100+
Locales Supported
0
Dependencies
5.0
Svelte Version