Language support is up to each browser, and it generally depends on browser APIs.
- Afrikaans (af)
- Basque (eu)
- Bulgarian (bg)
- Catalan (ca)
- Arabic (Egypt) (ar-EG)
- Arabic (Jordan) (ar-JO)
- Arabic (Kuwait) (ar-KW)
- Arabic (Lebanon) (ar-LB)
- Arabic (Qatar) (ar-QA)
- Arabic (UAE) (ar-AE)
- Arabic (Morocco) (ar-MA)
- Arabic (Iraq) (ar-IQ)
- Arabic (Algeria) (ar-DZ)
- Arabic (Bahrain) (ar-BH)
- Arabic (Lybia) (ar-LY)
- Arabic (Oman) (ar-OM)
- Arabic (Saudi Arabia) (ar-SA)
- Arabic (Tunisia) (ar-TN)
- Arabic (Yemen) (ar-YE)
- Czech (cs)
- Dutch (nl-NL)
- English (Australia) (en-AU)
- English (Canada) (en-CA)
- English (India) (en-IN)
- English (New Zealand) (en-NZ)
- English (South Africa) (en-ZA)
- English(UK) (en-GB)
- English(US) (en-US)
- Finnish (fi)
- French (fr-FR)
- Galician (gl)
- German (de-DE)
- Greek (el-GR)
- Hebrew (he)
- Hungarian (hu)
- Icelandic (is)
- Italian (it-IT)
- Indonesian (id)
- Japanese (ja)
- Korean (ko)
- Latin (la)
- Mandarin Chinese (zh-CN)
- Traditional Taiwan (zh-TW)
- Simplified Hong Kong (zh-HK)
- Yue Chinese (Traditional Hong Kong) (zh-yue)
- Malaysian (ms-MY)
- Norwegian (no-NO)
- Polish (pl)
- Portuguese (pt-PT)
- Portuguese (Brasil) (pt-br)
- Romanian (ro-RO)
- Russian (ru)
- Serbian (sr-SP)
- Slovak (sk)
- Spanish (Argentina) (es-AR)
- Spanish (Bolivia) (es-BO)
- Spanish (Chile) (es-CL)
- Spanish (Colombia) (es-CO)
- Spanish (Costa Rica) (es-CR)
- Spanish (Dominican Republic) (es-DO)
- Spanish (Ecuador) (es-EC)
- Spanish (El Salvador) (es-SV)
- Spanish (Guatemala) (es-GT)
- Spanish (Honduras) (es-HN)
- Spanish (Mexico) (es-MX)
- Spanish (Nicaragua) (es-NI)
- Spanish (Panama) (es-PA)
- Spanish (Paraguay) (es-PY)
- Spanish (Peru) (es-PE)
- Spanish (Puerto Rico) (es-PR)
- Spanish (Spain) (es-ES)
- Spanish (US) (es-US)
- Spanish (Uruguay) (es-UY)
- Spanish (Venezuela) (es-VE)
- Swedish (sv-SE)
- Turkish (tr)
- Zulu (zu)
Often new languages and dialects are added, so keep an eye on this page.