X Codec Pack is not just another 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.

Program Information Category: Codec Type: Free Version: 2.1.4 build 416 Size: 6.9MB Works on: Windows Product page: here