OCR Xpress for Node.js can handle a wide range of languages, including most Western European languages. By default, OCR Xpress for Node.js will use the English language, which is included with the default installation.
| Language | Package Name |
| All | ocr-lang-all |
| Arabic | ocr-lang-ara |
| Bulgarian | ocr-lang-bul |
| Catalan | ocr-lang-cat |
| Chinese Simplified | ocr-lang-chi_sim |
| Chinese Traditional | ocr-lang-chi_tra |
| Croatian | ocr-lang-hrv |
| Czech | ocr-lang-ces |
| Danish | ocr-lang-dan |
| Dutch | ocr-lang-nld |
| English | ocr-lang-eng |
| German | ocr-lang-deu |
| Greek | ocr-lang-ell |
| Finnish | ocr-lang-fin |
| French | ocr-lang-fra |
| Hebrew | ocr-lang-heb |
| Hindi | ocr-lang-hin |
| Hungarian | ocr-lang-hun |
| Indonesian | ocr-lang-ind |
| Italian | ocr-lang-ita |
| Japanese | ocr-lang-jpn |
| Korean | ocr-lang-kor |
| Latvian | ocr-lang-lav |
| Lithuanian | ocr-lang-lit |
| Norwegian | ocr-lang-nor |
| Polish | ocr-lang-pol |
| Portuguese | ocr-lang-por |
| Romanian | ocr-lang-ron |
| Russian | ocr-lang-rus |
| Serbian | ocr-lang-srp |
| Slovak | ocr-lang-slk |
| Slovenian | ocr-lang-slv |
| Spanish | ocr-lang-spa |
| Swedish | ocr-lang-swe |
| Tagalog | ocr-lang-tgl |
| Thai | ocr-lang-tha |
| Turkish | ocr-lang-tur |
| Ukrainian | ocr-lang-ukr |
| Vietnamese | ocr-lang-vie |