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Added How to save as a png #356

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15 changes: 15 additions & 0 deletions README.md
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Expand Up @@ -352,6 +352,21 @@ QRCode.toFile(

TypeScript users: if you are using [@types/qrcode](https://www.npmjs.com/package/@types/qrcode), you will need to add a `// @ts-ignore` above the data segment because it expects `data: string`.

## How To Save The QRcode as a PNG to your local Directory
```javascript
const QRCode = require('qrcode');
const fs = require('fs');

//The png is hence generated and stored under the images directory
QRCode.toFile('./images/qrcode.png', 'I am a pony!', function (err, url) {
if (err) {
console.error(err);
return;
}
console.log('QR code image saved as qrcode.png');
});
```

## Multibyte characters
Support for multibyte characters isn't present in the initial QR Code standard, but is possible to encode UTF-8 characters in Byte mode.

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