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Browser-Side OCR via Tesseract.js CDP Injection (web ocr command)

Run OCR entirely inside a Chrome tab using Tesseract.js injected via CDP Runtime.evaluate. No screenshot roundtrip to server -- Chrome renders and recognizes in one step. Supports element-level and full-page OCR, parallel multi-selector, Korean+English default.

user/developer

Steps

  1. Usage: wkappbot web ocr <grap> [--selector <...
  2. How it works: (1) CdpTesseract.EnsureLoadedA...
  3. Parallel OCR: pass multiple --selector value...
  4. Canvas / WebGL OCR: use canvas.toDataURL('im...
  5. Limitations: (1) CDN required on first load...