QR Journal can also generate QR code images.
Select the File > Generate… menu item or the Generate toolbar item.
The generate panel is then displayed.
After entering text into the bottom text field, simply press the "Generate" button to create the image.
The QR code can be saved to QR Journal, or the image can be dragged to the desktop or another application.
To generate another QR code, simply update the text and click the "Generate" button again.