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Show HN: Expressio – internationalization tooling for translators and AI
- jvanveen 10mo agoExpressio simplifies i18n workflows with tooling that works for both human translators and AI. Type-safe translations, AI translation support (DeepL, Claude), and code sync. Instead of magic strings like `$t('menu.settings')`, you use typed references: `$t(i18n.menu.settings)`. TypeScript knows about all translations, IDE autocomplete works, and refactoring is safe. The type-safe approach also makes it easy for AI tools to understand and work with translations. Features: - AI translation via DeepL/Claude - Type-safe translations (no magic strings) - CLI + web UI - Real-time WebSocket sync - Lint to find missing translations in code Works with i18next format. Uses a workspace file (`.expressio.json`) to track source text and translations. Built partly with AI assistance to speed up development.