---
title: "Supported languages"
manual: "TYPO3 Explained"
version: "12.4"
permalink: "https://docs.typo3.org/permalink/t3coreapi:i18n-languages@12.4"
source: "ApiOverview/Localization/Languages.rst"
rendered: "2026-10-21T15:29:37+00:00"
---

> [!WARNING]
> **Attention**
>
> TYPO3 v12 has reached end-of-life as of April 30th 2026 and
> is no longer being maintained. Use the version switcher on the top
> left of this page to select documentation for a supported version of TYPO3.
>
> Need more time before upgrading?
> You can purchase Extended Long Term Support (ELTS) for TYPO3 v12 here:
> [TYPO3 ELTS](https://typo3.com/services/extended-support-elts).

# Supported languages {#i18n-languages}

The list of supported languages is defined in
`\TYPO3\CMS\Core\Localization\Locales::$languages`.

| Locale in TYPO3 | Name |
| --- | --- |
| default | English |
| af | Afrikaans |
| ar | Arabic |
| bs | Bosnian |
| bg | Bulgarian |
| ca | Catalan |
| ch | Chinese (Simple) |
| cs | Czech |
| da | Danish |
| de | German |
| el | Greek |
| eo | Esperanto |
| es | Spanish |
| et | Estonian |
| eu | Basque |
| fa | Persian |
| fi | Finnish |
| fo | Faroese |
| fr | French |
| fr_CA | French (Canada) |
| gl | Galician |
| he | Hebrew |
| hi | Hindi |
| hr | Croatian |
| hu | Hungarian |
| is | Icelandic |
| it | Italian |
| ja | Japanese |
| ka | Georgian |
| kl | Greenlandic |
| km | Khmer |
| ko | Korean |
| lb | Luxembourgish |
| lt | Lithuanian |
| lv | Latvian |
| mi | Maori |
| mk | Macedonian |
| ms | Malay |
| nl | Dutch |
| no | Norwegian |
| pl | Polish |
| pt | Portuguese |
| pt_BR | Brazilian Portuguese |
| ro | Romanian |
| ru | Russian |
| rw | Kinyarwanda |
| sk | Slovak |
| sl | Slovenian |
| sn | Shona (Bantu) |
| sq | Albanian |
| sr | Serbian |
| sv | Swedish |
| th | Thai |
| tr | Turkish |
| uk | Ukrainian |
| vi | Vietnamese |
| zh | Chinese (Traditional) |
| zh_CN | Chinese (Simplified) |
| zh_HK | Chinese (Simplified Hong Kong) |
| zh_Hans_CN | Chinese (Simplified Han) |

> [!TIP]
> If you need additional languages there are two possible options:
>
> -   Open an issue at [https://forge.typo3.org/projects/typo3cms-core/issues](https://forge.typo3.org/projects/typo3cms-core/issues)
>     and describe your use case. The language might be added to the next
>     major release of TYPO3.
> -   Take a look at the section [Custom languages](https://docs.typo3.org/permalink/t3coreapi:xliff-translating-languages@12.4) to solve
>     it in your project.