Steps to use the WhatsApp QR code generator: 

1. Enter the phone number you want to generate a QR code for, including the country code, in the input field.

2. Click the "Generate QR Code" button.

3. The QR code will be generated and displayed on the page.

4. To download the QR code, right-click on it and select "Save image as" or click on the download link that appears after the QR code is generated.

5. The downloaded file will be in PNG format and can be used wherever needed.

That's it! You can use this QR code to share your WhatsApp number with others, making it easier for them to connect with you on the app.