Tech Dec 7, 2025 7 min Japanese OCR on the Web in 2025: Limits and Lessons From browser OCR and server-side OCR to cloud APIs and AI — a roundup of what I learned trying to implement Japanese OCR on the web, including the limits of each approach. OCR JavaScript Tesseract.js NDLOCR Transformers.js AI Docker Google Cloud Vision PaddleOCR Japanese OCR Browser Experiment