Key Takeaway: Optical Character Recognition translates visual patterns in images into machine-readable text characters. Learn how browser WASM enables private OCR.
The 4 Steps of High-Precision WebAssembly OCR
1. Smart Text Detection: Checks if PDF already contains native text layers.
2. High-Res Canvas Rendering: Upscales scans to 300 DPI.
3. Adaptive Binarization: Enhances contrast and removes noise.
4. Neural Pattern Matching: Tesseract LSTM model parses text characters.
Frequently Asked Questions
Does PDFCraft OCR work offline?
Yes. Once the page is loaded, the WebAssembly OCR engine runs completely offline without network calls.