About

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!