An mdBook preprocessor that generates and embeds a QR code for your book, powered by fast-qr.

It produces a PNG image during the build and replaces {{QR_CODE}} markers in chapters with an <img> tag pointing to the generated QR code.

For all options see Documentation chapter.

Live Configuration Example

As seen from this page the current preprocessor configuration is:

[preprocessor.qr]
enable = true
qr-path = "figures/mdbook-qr-code.png"
margin = 1
shape.rectangle = true
background = "#FFFFFFFF"
module =  "#000000FF"

Then, in any Markdown file:

{{QR_CODE}}

During the build, this is replaced with:

 <img src="./figures/mdbook-qr-code.png?" alt="QR code" style="height:200px;width:200px" loading="eager">

...and rendered as: