<p>Easily add QR encoded data to any post using a simple mark-up.</p>


WP-QREncoder

Allows post authors to easily add qrencoded images to their posts. Uses: QRcode Perl CGI & PHP scripts ver. 0.50: http://www.swetake.

wpdo

<p>Generate QR Code by shortcode. Inline base64 SVG image. No extra image file generated. Local generator, no need online Google service.</p>
<h3>Usage</h3>
<p>Use <code>[qrcode]Example string[/qrcode]</code> to generate the QR Code.</p>
<p>Use <code>[qrcode size=10 margin=5]Example string[/qrcode]</code> to set size/margin. Default size=3, margin=3.</p>
<h3>Features:</h3>
<ul>
<li>Inline SVG base64 format QR Code</li>
<li>No extra image src request</li>
<li>No local image file generation required</li>
<li>Local generator</li>
</ul>


QRCode

A simple plugin to generate QR Code by shortcode for WordPress

WP-QREncoder vs QRCode