It’s free, has one of the better UIs, and offers a code generator to help you generate QR codes. What’s more, the app gives you the ability to scan QR codes from various sources. So, you can ...

3. Enter your data. At this step, you need to enter the relevant data into the fields of your QR code generator. For instance, if you enter a website or landing page URL, you must spell out the ...

Within seconds, a custom QR code incorporating your Wi-Fi’s SSID and password will appear. You then have the option to save it in HTML5 localStorage, export it as a picture, or print it out.

The codes in the examples seen here all point to a URL for qrbtf.com, a QR code-generator website likely run by nhciao based on their previous Reddit posts from years past.