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Open-Source PDF SDK & AI Document Processing

Get the full self-hosted SDK and AI document processing on GitHub. One-click deploy to quickly build your document workflows.

OCR Language Codes

The ocrRecognitionLang parameter specifies the OCR recognition language code. The current API uses the original OCR model language codes. Defaults to AUTO (automatic detection).

CodeLanguage
AUTOAuto Detect
CHINESESimplified Chinese
CHINESE_TRADTraditional Chinese
ENGLISHEnglish
KOREANKorean
JAPANESEJapanese
LATINLatin script
DEVANAGARIDevanagari script
CYRILLICCyrillic script
ARABICArabic script
TAMILTamil
TELUGUTelugu
KANNADAKannada
THAIThai
GREEKGreek
ESLAVEast Slavic languages