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Offline OCR

If you self-host BentoPDF in an air-gapped or offline environment, OCR needs more than the Tesseract worker and traineddata files. Searchable PDF output also needs the OCR text-layer fonts to be served internally. See Self-Hosting for the full setup, including VITE_OCR_FONT_BASE_URL, the bundled ocr-fonts/ directory, and the updated air-gap workflow.