A developer tool for easily completing i18n using GPT4
For iOS, macOS, Android, and JS developers, translating multiple languages can be a painful task. However, I18n Studio makes this process incredibly simple. With just a click of a button, GPT4 can instantly complete the translation of multiple languages.
I18n Studio is a macOS app that uses GPT-4 to translate iOS, macOS, Android and JavaScript localization files instantly.
- for
- iOS, macOS, Android and JavaScript developers who need fast localization.
- pricing
- free
- license
- open source
works withXcodeVSCodeAndroid Studio
Key features
5 features of I18n Studio
- One-click translation — Translate a single value, a key, a whole language column, or all languages with a single button.
- Context-aware translations — Add comments, scenes, or capitalization instructions to improve accuracy.
- Multi-file support — Handles JSON, XML, .strings and String Catalog files directly.
- Custom API key — Use your own OpenAI API key for translation.
- Batch workflow — Load files, batch translate, then write back to the original files.
Use cases
- Translate a new language version of an iOS app in under a minute
- Update Android string resources after a UI change
- Add localization to a JavaScript web app using JSON files
- Batch-translate existing .strings files for a macOS utility
I18n Studio FAQ
Do I need an OpenAI account?+
Yes, you must provide your own OpenAI API key to use GPT-4 for translations.
Which macOS versions are supported?+
I18n Studio runs on macOS 11 and later.
Can I translate files other than .strings?+
Yes, the app supports JSON, XML, .strings and String Catalog formats.
Is the app itself translated?+
No, the name "I18n Studio" is excluded from translation.
Is there a cost to use the app?+
The app is free to download; you only pay for any OpenAI API usage.
Summarized by DevHunt from i18n.studio · Sep 28, 2026. Details may change; check the official site.