Go With Phone
This extension creates a qrcode for the current url.
What is Go With Phone?
Go With Phone is a Firefox add-on that generates a QR code for the current URL, allowing users to easily access the webpage on their mobile device by scanning the code.
Go With Phone may not be safe to use and it requires some risky permissions. Exercise caution when installing this add-on. Review carefully before installing.
Go With Phone has earned a fairly good reputation and likely can be trusted.