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coco

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A 100% offline, vanilla-JS invoice annotation tool with in-browser OCR (Tesseract.js). Draw tight boxes for buyer/seller/meta/line items; the app OCRs each region, writes values into your JSON at the correct paths, and exports updated data plus training artifacts (labels JSON, COCO, annotated PNG). No servers, no frameworks.

  • Updated Nov 7, 2025
  • JavaScript

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