Dennis

The QR Code Tag plugin creates QRCodes for your blog.
Features:
<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>
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. 
Move your mouse over the application links.
<h3>Acknowledgements</h3>
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>.
It uses:
<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.

tufto

Before: 
http://example.com/wp-content/themes/twentyten/style.css
After: 
/wp-content/themes/twentyten/style.css
OR:
Before: 
http://example.com/wp-content/themes/twentyten/style.css
After (adding “https”): 
https://example.com/wp-content/themes/twentyten/style.css
If you are looking for a plugin that automatically converts absolute URLs to relative URLs, or for a plugin that changes URLS for src & href URL attributes check out my other plugin.
I wrote this plugin because I needed a basepath for uploaded images for my WordPress Multisite. In other words, I needed a URL to the server root without the domain. You may find this useful for the same reason, or perhaps another.
Before you copy this code and add it into your own, keep in mind that there may be future updates. Keeping the code within an activated plugin will make sure you’re notified.

i=== URLs Editor

A FUNCTION for use in shortening URL links. This plugin automatically does shorten URLs.

QR Code Tag vs i=== URLs Editor