DeepL Translator supports translation in over 800 possible combinations of the following languages:
| Arabic | German | Polish |
| Bulgarian | Greek | Portuguese |
| Chinese | Hungarian | Romanian |
| Czech | Indonesian | Russian |
| Danish | Italian | Slovak |
| Dutch | Japanese | Slovenian |
| English | Korean | Spanish |
| Estonian | Latvian | Swedish |
| Finnish | Lithuanian | Turkish |
| French | Norwegian | Ukrainian |
Language varieties
Arabic
Modern Standard Arabic (MSA) available as a source and target language in the Translator. Arabic is not currently supported in the file translation feature.Chinese
Chinese (unspecified variety) detected as source language.
Chinese (both traditional and simplified) available as a target languages.
English
English (unspecified variety) available as a source language;
English (American) and English (British) available as target languages, when source language is Arabic, Chinese, Danish, Dutch, French, German, Indonesian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Spanish, Swedish, Turkish or Ukrainian;
English (unspecified variety) available as a target language, when source language is Bulgarian, Czech, Estonian, Finnish, Greek, Hungarian, Latvian, Lithuanian, Romanian, Slovak, or Slovenian.
Norwegian
Norwegian (bokmål only) available as a source and target language.Portuguese
Portuguese available as a source language (no distinction is made between the varieties);
Portuguese (includes all varieties of the language except Brazilian Portuguese) or Portuguese (Brazilian) available as target languages.