xcLocalize – AI Translator

Localize your iOS and macOS apps in minutes, not days. xcLocalize is the fastest way to translate your Xcode localization catalogs (.xcloc files) using state-of-the-art AI models. Simply drag and drop your exported .xcloc files, click translate, and get professionally-quality translations instantly. ▸ HOW IT WORKS 1. Export .xcloc files from Xcode (Product → Export Localizations) 2. Drop them into xcLocalize 3. Select your target languages and click Translate 4. Review, edit if needed, and export 5. Import back into Xcode — done! ▸ POWERFUL AI TRANSLATION • Powered by the latest AI models including GPT-4o, GPT-5, Claude 4, and Gemini • Context-aware translations that understand your app's purpose • Preserves all format specifiers (%@, %d, %1$@) and special characters • Learn from your manual translations to maintain consistent terminology ▸ DEVELOPER-FRIENDLY • Drag & drop .xcloc import — works exactly like Xcode expects • Preserves all XLIFF metadata during export • Maintains Source Contents for Xcode context display • Resume interrupted translations from where you left off • Track your token usage and translation costs ▸ FLEXIBLE PRICING • Start free with included Neurons (credits) • Choose from multiple AI models at different price points • Or bring your own API keys for unlimited translations (OpenAI, Anthropic, or OpenRouter) ▸ PRIVACY-FIRST • Your translations stay on your device • API keys stored securely in macOS Keychain • No account required to get started Whether you're an indie developer localizing your first app or a team managing dozens of languages, xcLocalize streamlines your workflow and delivers translations that sound natural. Try the built-in demo project to see xcLocalize in action — no API key required!