Tesseract.js – Pure Javascript OCR for 62 Languages


Tesseract.js is a pure Javascript port of the popular Tesseract OCR engine. Basically Tesseract.js is a javascript library that gets words in almost any language out of images.

This library supports over 60 languages, automatic text orientation and script detection, a simple interface for reading paragraph, word, and character bounding boxes. Tesseract.js can run either in a browser and on a server with NodeJS.

Image should be be sufficiently high resolution. Often, the same image will get much better results if you upscale it before calling recognize.



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