Polyglot is a free, AI-powered translation tool for developers. It translates plain text and JSON i18n locale files into 50+ languages simultaneously — no installation, no account, and no manual configuration required.

How do I translate a JSON i18n file?

Open the Polyglot Studio, paste your JSON locale file into the Monaco editor, select the target languages, then click Translate. Polyglot preserves every key, nested structure, and placeholder while translating only the string values.

Which languages does Polyglot support?

Polyglot supports over 50 languages including Spanish, French, German, Japanese, Korean, Portuguese, Arabic, Hindi, Italian, Dutch, Swedish, Polish, Turkish, Russian, Chinese, Thai, Vietnamese, Indonesian, Greek, Czech, Romanian, Ukrainian, Hebrew, and Danish.

Does Polyglot preserve JSON keys and structure?

Yes. Polyglot only translates string values inside your JSON file. Every key name, nested object, array, and placeholder (such as {{name}} or {count}) is preserved exactly as-is in the translated output.

Is Polyglot free to use?

Yes. Text translation in the Polyglot Studio is completely free with no account required. JSON i18n Projects with persistent history require a free account.

What AI model powers Polyglot translations?

Polyglot is powered by xAI Grok, a large language model that understands context, tone, and technical terminology to produce high-quality, developer-friendly translations.