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Awesome Open Source

react-native-tesseract-ocr 👀

react-native-tesseract-ocr is a react-native wrapper for Tesseract OCR

Version Install Size Downloads PRs Welcome Commitizen friendly MIT License

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This project uses:

NOTE: It is recommended to use react-native >= 0.60.0

Getting started

$ npm i react-native-tesseract-ocr --save

Mostly automatic installation

$ react-native link react-native-tesseract-ocr


Showcase Android using Picker Showcase Android using Camera

Check the example by yourself here



Property Type Description
allowlist string List of characters you want to recognize
denylist string List of characters you DON'T want to recognize
level Level Level of the tokens of the page hierarchy (only used in recognizeTokens)

Level can be one of the following values 'symbol' | 'block' | 'line' | 'paragraph' | 'word'


import TesseractOcr, { LANG_ENGLISH } from 'react-native-tesseract-ocr';

const tessOptions = {};
TesseractOcr.recognize(imageSource, LANG_ENGLISH, tessOptions);


import TesseractOcr, { LANG_ENGLISH, LEVEL_WORD } from 'react-native-tesseract-ocr';

const tessOptions = { level: LEVEL_WORD };
TesseractOcr.recognizeTokens(imageSource, LANG_ENGLISH, tessOptions);


import React, { useState } from 'react';
import { useEventListener } from 'react-native-tesseract-ocr';

function App() {
  const [progress, setProgress] = useState(0);
  useEventListener('onProgressChange', (p) => {
    setProgress(p.percent / 100);

  // return ...


How to contribute?

This is a commitizen friendly repository, so instead of creating commits using git commit, please use our custom CLI by running:

$ npm run cz

Contributors ✨

Thanks goes to these wonderful people (emoji key):

Jonathan Palma

💻 📖 💡

Johan Runsten


This project follows the all-contributors specification. Contributions of any kind welcome!


MIT © jonathanpalma

This library wouldn't be possible without these amazing projects:

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