Supported Language Codes

LocaleKit uses BCP 47 language tags (e.g., en-US, fr-FR).

Language Reference Table

English

Code	Language	Region
🇺🇸 en-US	English	United States
🇬🇧 en-GB	English	United Kingdom
🇨🇦 en-CA	English	Canada
🇦🇺 en-AU	English	Australia

French

Code	Language	Region
🇫🇷 fr-FR	French	France
🇨🇦 fr-CA	French	Canada

German

Code	Language	Region
🇩🇪 de-DE	German	Germany
🇦🇹 de-AT	German	Austria
🇨🇭 de-CH	German	Switzerland

Spanish

Code	Language	Region
🇪🇸 es-ES	Spanish	Spain
🇲🇽 es-MX	Spanish	Mexico
🇺🇸 es-US	Spanish	United States

Italian

Code	Language	Region
🇮🇹 it-IT	Italian	Italy

Portuguese

Code	Language	Region
🇵🇹 pt-PT	Portuguese	Portugal
🇧🇷 pt-BR	Portuguese	Brazil

Dutch

Code	Language	Region
🇳🇱 nl-NL	Dutch	Netherlands
🇧🇪 nl-BE	Dutch	Belgium

Nordic Languages

Code	Language	Region
🇸🇪 sv-SE	Swedish	Sweden
🇳🇴 nb-NO	Norwegian Bokmal	Norway
🇩🇰 da-DK	Danish	Denmark
🇫🇮 fi-FI	Finnish	Finland

Eastern European

Code	Language	Region
🇵🇱 pl-PL	Polish	Poland
🇨🇿 cs-CZ	Czech	Czechia
🇭🇺 hu-HU	Hungarian	Hungary
🇷🇴 ro-RO	Romanian	Romania
🇧🇬 bg-BG	Bulgarian	Bulgaria
🇺🇦 uk-UA	Ukrainian	Ukraine
🇸🇰 sk-SK	Slovak	Slovakia
🇸🇮 sl-SI	Slovenian	Slovenia
🇭🇷 hr-HR	Croatian	Croatia
🇷🇸 sr-RS	Serbian	Serbia

Asian Languages

Code	Language	Region
🇯🇵 ja-JP	Japanese	Japan
🇰🇷 ko-KR	Korean	South Korea
🇨🇳 zh-CN	Chinese (Simplified)	China
🇹🇼 zh-TW	Chinese (Traditional)	Taiwan
🇭🇰 zh-HK	Chinese (Traditional)	Hong Kong
🇹🇭 th-TH	Thai	Thailand
🇻🇳 vi-VN	Vietnamese	Vietnam
🇮🇩 id-ID	Indonesian	Indonesia
🇲🇾 ms-MY	Malay	Malaysia

Other Languages

Code	Language	Region
🇷🇺 ru-RU	Russian	Russia
🇸🇦 ar-SA	Arabic	Saudi Arabia
🇮🇱 he-IL	Hebrew	Israel
🇬🇷 el-GR	Greek	Greece
🇹🇷 tr-TR	Turkish	Turkey
🇮🇳 hi-IN	Hindi	India

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Usage in Config File

sourceLanguage: en-US
targetLanguages:
  - de-DE
  - fr-FR
  - ja-JP
  - zh-CN

Usage in CLI

# Translate to specific languages
localekit translate ./MyApp --source-language en-US --languages de-DE,fr-FR,ja-JP

# Export specific languages only
localekit export ./MyApp --format json --languages en-US,de-DE,fr-FR

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Notes

• Language codes are case-sensitive
• Always include the region code (e.g., en-US not just en)
• The source language should match your base language in the localization files
• Translation engines may have different support for regional variants