How to Build a Browser-Based PDF OCR to Text Converter Using JavaScript
SMRTR summary
Build a fully browser-based PDF OCR tool using JavaScript, PDF.js, and Tesseract.js that converts scanned image-based PDFs into editable, searchable text — entirely on the user's device. The tutorial covers file upload, page preview, OCR configuration, image enhancement, confidence scoring, progress tracking, and exporting results as TXT or JSON, with no backend or cloud service required.
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