Adding QR codes

While QR codes are not beautiful, sometimes they are a useful way to let readers get from a printed page to a website quickly and easily. You can include QR codes in PDF outputs. (They are currently not supported or shown in other output formats.)

To add a QR code, use the include qr-code tag. It takes these arguments:

• content: this is what the QR code encodes, usually a link. The content argument is required. If you are including a link, ensure it’s a full URL including the https://. Technically, QR codes can contain any kind of text.
• show-content: if this optional argument is included or set to true, the content will appear in text below the code.
• caption: this is optional. This is text that will be shown below the code image and the link. For example, it can include instructions to users on how and why to scan the QR code. You can include markdown in the caption.

This is an example: