This is a QR code generator for WordPress. It is a free WordPress plugin. It adds a form to pages, posts or the sidebar, which the user can use to generate QR codes. This plugin uses the Google Chart API to generate the QR codes.

Features of Simple QR Code Creator Widget:
- A widgets can be put in a sidebar or place the shortcode: [qr-code-generator] in a page or post.
- WordPress Simple QR Code Creator Widget can create Business Card QR Codes.
- This widget can also create URL QR Codes.
- Text Message QR Codes can be created which can allows the admin to encode special messages, data or directions on printed material.
- The Extended Version also tracks submissions on the WordPress backend, which allows the admin to see how the plug-in is being used and follow up with users.

Requirements:
- WordPress 2.8 or Higher
- GD library in PHP
- JavaScript enabled on client side

Installation:
- Unpack and upload it to the /wp-content/plugins/ directory. Activate the plugin through the 'Plugins' menu in WordPress.