karlcanvaspop

Pop-up Store is a simple and powerful way to offer customers the ability to purchase world class handcrafted canvas 
prints that are shipped right to their door. Inside you’ll find implementation guides and reference documentation for 
all of the components that make up Pop-up Store.
This plugin allows you to automatically add a “Print” button to your images. Users can then click the “Print” button 
to open a cart in a modal and purchase a piece of art.
When a user opens a cart, the image provided in the link is submitted to protected environment where it is resized and 
prepared for print. Once a user places an order, you can access information about that order in your API admin panel.
To learn more about out API, please visit https://developers.canvaspop.com/

CanvasPop Photo Printing API

CanvasPop Photo Printing API is a simple and powerful way to offer customers the ability to purchase world class handcrafted canvas prints.

Nazmul Hossain Nihal

This allows user to add a widget that generates QrCode for every page dynamically. Whenever a visitor visits the site the widget will show qrcode for current page that the visitor is visiting. User can add the widget with and without title, define the size of the qrcode, fill color and background color. If the user finds that widget is not working because of any problem with theme user can add custom HTML tag before and after the widget. Multiple widgets can be added same time.
Using this you can add favicons to :
<ul>
<li>Add QrCodes</li>
<li>Customize QrCodes</li>
</ul>

WpQrCode

Just another WordPress plugin for adding QrCode.

CanvasPop Photo Printing API vs WpQrCode