X Codec Pack is not just another codec pack. X Codec Pack is a lite codec pack. Only the most used codecs, filters, tools are included. You get install, uninstall and update support. This means you can select the components you want to install; detection for previous installed versions and the ability to remove them, check for updated versions online.
X Codec Pack is virus/spyware/adware/toolbars/search engines free.
All the codecs, filters, tools inside X Codec Pack are freeware.