Tesseract.js is a pure javascript library that lets you get words written in English, Chinese, Russian, and [60 other languages](./tesseract_lang_list.md), out of scanned documents and other images.
Tesseract.js is a pure javascript version of the [Tesseract OCR Engine](https://github.com/tesseract-ocr/tesseract).
Tesseract.js is a wrapper around an [emscripten](https://github.com/kripken/emscripten) port of the [Tesseract OCR Engine](https://github.com/tesseract-ocr/tesseract).