XP Codec Pack è una collezione di codec col fine di riprodurre qualsiasi formato multimediale. Contiene:

• AC3Filter 1.01a RC5
• AVI Splitter 1.0.0.7
• CDXA Reader 1.0.0.1
• CoreAAC (AAC DirectShow Decoder) 1.2.0
• CoreFlac Decoder 0.4
• FFDShow MPEG-4 Video Decoder 2004.10.12
• GPL MPEG-1/2 Decoder 0.1.2.0
• Matroska Splitter 1.0.2.9
• Media Player Classic 6.4.8.9
• OggSplitter/CoreVorbis 1.1.0.79
• RadLight APE Filter 1.0.0.4
• RadLight MPC Filter 1.0.0.4
• RadLight OFR Filter 1.0.0.4
• RealMedia Splitter 1.0.1.1
• RadLight TTA Filter 1.0.0.2
• The Codec Detective 2.0
• VSFilter (DirectVobSub) 2.37