Tesseract.js is a javascript library that gets words in almost any language out of images. (Demo)
Tesseract.js wraps an emscripten port of the Tesseract OCR Engine. It works in the browser using webpack or plain script tags with a CDN and on the server with Node.js. After you install it, using it is as simple as:
import { TesseractWorker } from 'tesseract.js';
const worker = new TesseractWorker();
worker.recognize(myImage)
.progress(progress => {
console.log('progress', progress);
}).then(result => {
console.log('result', result);
});
Check out the docs for a full explanation of the API.
Tesseract.js works with a <script> tag via local copy or CDN, with webpack via npm and on Node.js with npm/yarn.
<!-- v2 --> <script src='https://unpkg.com/tesseract.js@v2.0.0-alpha.13/dist/tesseract.min.js'></script> <!-- v1 --> <script src='https://unpkg.com/tesseract.js@1.0.19/src/index.js'></script>
After including the script the Tesseract variable will be globally available.
Tesseract.js currently requires Node.js v6.8.0 or higher
# For v2 npm install tesseract.js@next yarn add tesseract.js@next # For v1 npm install tesseract.js yarn add tesseract.js
To run a development copy of Tesseract.js do the following:
# First we clone the repository git clone https://github.com/naptha/tesseract.js.git cd tesseract.js # Then we install the dependencies npm install # And finally we start the development server npm start
The development server will be available at http://localhost:3000/examples/browser/demo.html in your favorite browser. It will automatically rebuild tesseract.dev.js and worker.min.js when you change files in the src folder.
You can also run the development server in Gitpod ( a free online IDE and dev environment for GitHub that will automate your dev setup ) with a single click.
To build the compiled static files just execute the following:
This will output the files into the dist directory.
This project exists thanks to all the people who contribute. [Contribute].
Become a financial contributor and help us sustain our community. [Contribute]
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