PDF Guides5 min read•August 20, 2026
How to Extract Text from Scanned PDFs Using In-Browser OCR
NV
Written by NexVaani Engineering Executive Summary
Scanned legal briefs, contracts, and academic textbooks are often saved as rasterized image files wrapped inside a PDF container, preventing text selection, copying, and search. Learn how WebAssembly OCR solves this privately.
How Optical Character Recognition (OCR) Works in WebAssembly
Tesseract.js compiles neural network character recognition models into WebAssembly, processing image matrices locally in browser memory without sending private records over internet cables.
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