The following table lists the languages that IDOL Server currently supports.
| Acehnese | Georgian | Macedonian | Somali |
| Afrikaans | German | Malagasy | Sorbian |
| Albanian | Gilaki | Malay | Spanish |
| Amharic | Greek | Malayalam | Sranan |
| Arabic | Greenlandic | Maltese | Sundanese |
| Armenian | Guarani | Manipuri | Swahili |
| Azeri | Gujarati | Maori | Swedish |
| Basque | Haitian | Marathi | Syriac |
| Belarusian | Hausa | Mazandarani | Tagalog |
| Bengali | Hawaiian | Mirandese | Tahitian |
| Berber | Hebrew | Mongolian | Tajik |
| Bihari | Hindi | Nahuatl | Tamil |
| Bikol | Hungarian | Navajo | Tatar |
| Bishnupriya | Icelandic | Ndebele | Telugu |
| Bosnian | Igbo | Nepali | Thai |
| Breton | Ilokano | Newari | Tibetan |
| Bulgarian | Indonesian | Norwegian | Tokpisin |
| Burmese | Italian | Oriya | Tongan |
| Catalan | Japanese | Ossetian | Tsonga |
| Cebuano | Javanese | Panjabi | Tswana |
| Cherokee | Kalmyk | Papiamentu | Turkish |
| Chinese | Kannada | Pashto | Turkmen |
| Chuvash | Kapampangan | Persian | Ukrainian |
| Croatian | Kazakh | Polish | Urdu |
| Czech | Khmer | Portuguese | Uyghur |
| Danish | Kikongo | Quechua | Uzbek |
| Divehi | Kinyarwanda | Rhaeto-Romance | Valencian |
| Dutch | Kirundi | Romanian | Venda |
| English | Komi | Russian | Vietnamese |
| Erzya | Korean | Sakha | Waraywaray |
| Esperanto | Kurdish | Sami | Welsh |
| Estonian | Kyrgyz | Sanskrit | Wolof |
| Ethiopic | Lao | Serbian | Xhosa |
| Faroese | Lappish | Sesotho | Yiddish |
| Finnish | Latin | Sesotho sa Leboa | Yoruba |
| French | Latvian | Singhalese | Zulu |
| Frisian | Lingala | Siswant | |
| Gaelic | Lithuanian | Slovak | |
| Galician | Luxembourgish | Slovenian |
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