Marco

<p>This plugin will display a QR code in your sidebar which you can easily scan with your handphone or tablet and read later on the way home, to office or to school.</p>


QR code generator

This plugin will display a QR code of the actually loaded page in your sidebar.

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

QR code generator vs QRCode