X Codec Pack is a small codec pack. Just the most used (popular) codecs are included (see below). If you are looking for a big pack with lots of codecs, filters, tools, this is the wrong place. Lots of codecs can mess up your Windows. Unlike other codec packs, you can select the components you want to install, you get uninstall support, detection for previous installed versions, update for new versions - you don¡¯t have to download the whole pack again. With X Codec Pack you get : DivX codec XviD codec GPL MPeG-1/2 decoder AC3 filter DivX AntiFreeze DirectVobSub (VSFilter) Video Inspector Media Player Classic All the codecs, filters, tools inside X Codec Pack are freeware.