Wayne Tomlinson

<p>Easily generate QR codes for your posts, pages, WooCommerce products, and all custom post types directly from the WordPress admin interface. This plugin adds a “Generate QR Code” link to the admin list for all public post types, allowing you to quickly create QR codes for sharing URLs.</p>
<h3>Features</h3>
<ul>
<li>Supports all public post types, including posts, pages, and WooCommerce products.</li>
<li>Automatically detects custom post types and adds support without additional configuration.</li>
<li>Securely generates QR codes using nonce verification and permission checks.</li>
<li>Provides an easy-to-use admin interface with links for quick QR code generation.</li>
</ul>
<h3>External services</h3>
<p>This plugin connects to an API to create a QR code based on the page’s URL.</p>
<p>It sends the page/post/cpt URL to the API at https://qrserver.com. No personal, website or user information is sent to the API other than the URL.</p>


QR Code Generator for All Post Types

Easily generate QR codes for your posts, pages, WooCommerce products, and all custom post types directly from the WordPress admin interface.

Dennis

<p>The QR Code Tag plugin creates QRCodes for your blog.</p>
<p>Features:</p>
<ul>
<li>Choose your QR Code generator: Google Chart API (online connection required) or QR Code Lib (included)</li>
<li>Uses cURL if <code>allow_url_fopen</code> is disabled (Google Chart API)  </li>
<li>GIF, PNG or JPEG image output</li>
<li>All QR Code images are cached</li>
<li>Use as a Sidebar Widget</li>
<li>Use the Shortcode <code>[qrcodetag]content[/qrcodetag]</code> within your posts</li>
<li>Use the Tooltip mode <code>[qrcodetag tooltip="content"]some text[/qrcodetag]</code> within your posts</li>
<li>Use the PHP function inside your own template</li>
<li>“Best Read Mode” for optimized QR Code image size</li>
<li>Works with PHP 5.3 as well</li>
<li>Works on symlinked plugin folders</li>
<li>Available plugin admin interface languages: English, German</li>
</ul>
<h3>Demo</h3>
<p>See <a href="http://www.spreendigital.de/blog/2009/09/18/essential-android-applications/" rel="nofollow ugc">this blog entry</a> for a tooltip mode demo.<br />
Move your mouse over the application links.</p>
<h3>Acknowledgements</h3>
<p>This WordPress QR Code Tag Plugin is partly based on <a href="https://wordpress.org/extend/plugins/super-cool-qrcode/" rel="ugc">Super Cool QRCode Widget</a> by <a href="http://www.incerteza.org/blog/" rel="nofollow ugc">Matias S.</a>.</p>
<p>It uses:</p>
<ul>
<li><a href="http://code.google.com/intl/de/apis/chart/" rel="nofollow ugc">Google Chart API</a> for online code creation</li>
<li>Y. Swetakes <a href="http://www.swetake.com/qr/index-e.html" rel="nofollow ugc">QR Code Library</a> for code offline creation</li>
<li>J. Zaefferers <a href="http://docs.jquery.com/Plugins/Tooltip" rel="nofollow ugc">jQuery Tooltip Plugin</a></li>
</ul>


QR Code Tag

Uncaught TypeError: $(...).tooltip is not a function

creates lots of errors with new wp

Use QR Codes (Google API or QR Code Lib) anywhere in your blog, as a Widget, Shortcode, Tooltip or with a PHP function.

QR Code Generator for All Post Types vs QR Code Tag