LeadTools OCR文字识别语言扩展包包括以下40余种文字识别：

English (en) Afrikaans (af) Albanian (sq) Arabic (ar) Basque (eu) Belarusian (be) Bulgarian (bg) Catalan (ca) Chinese Simplified (zh-Hans) Chinese Traditional (zh-Hant) Croatian (hr) Czech (cs) Danish (da) Dutch (nl) Estonian (et) Faroese (fo) Finnish (fi) French (fr) Galician (gl) German (de) Greek (el) Hungarian (hu) Icelandic (is) Japanese (ja) Korean (ko) Indonesian (id) Italian (it) Latvian (lv) Lithuanian (lt) Macedonian (mk) Norwegian (no) Polish (pl) Portuguese (pt) Portuguese Brazil (pt-BR), Romanian (ro) Russian (ru) Serbian (sr) Serbian Cyrillic (sr-Cyrl-CS) Slovak (sk) Slovenian (sl) Spanish (es) Swedish (sv) Turkish (tr) Ukrainian (uk) Vietnamese (vi)