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  • i18n Languages
  • Multi-language support

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  1. Configuration
  2. Overleaf Toolkit

Localization

i18n Languages

Both the Overleaf Community Edition and Server Pro have been translated into multiple languages.

The language can be set via OVERLEAF_SITE_LANGUAGE with one of the following options:

  • en - English (default)

  • es - Spanish

  • pt - Portuguese

  • de - German

  • fr - French

  • cs - Czech

  • nl - Dutch

  • sv - Swedish

  • it - Italian

  • tr - Turkish

  • zh-CN - Chinese (simplified)

  • no - Norwegian

  • da - Danish

  • ru - Russian

  • ko - Korean

  • ja - Japanese

  • pl - Polish

  • fi - Finnish

Some of these are more complete than others, we always endeavor to have all supported languages fully translated, if you would like to help with our translations please get in touch!

Multi-language support

Overleaf can support multiple languages per container. This is done via different domains configured to respond in a set language using the environment variable OVERLEAF_LANG_DOMAIN_MAPPING with an escaped JSON string.

OVERLEAF_LANG_DOMAIN_MAPPING = '
    {
        "www": {
        "lngCode": "en",
        "url": "https:\/\/www.example.com"
        },
        "fr": {
        "lngCode": "fr",
        "url": "https:\/\/fr.example.com"
        },
        "de": {
        "lngCode": "de",
        "url": "https:\/\/de.example.com"
        },
        "sv": {
        "lngCode": "sv",
        "url": "https:\/\/sv.example.com"
        },
        "zh": {
        "lngCode": "zh-CN",
        "url": "https:\/\/zh.example.com"
        },
        "es": {
        "lngCode": "es",
        "url": "https:\/\/es.example.com"
        }
    }'
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