ACE Mega Codec Pack is one of the largest sets of encoders and decoders available on the globe. The package includes applications such as CoreAAC Filter, XviD, DivX, MPEGable AVC, MPEGable Directshow Filters, Matroska Muxer, Matroska Splitter, OGG Vorbis, ffdshow, Dirac Splitter, DC-DSP Filter, QuickTime 6 and RealMedia. The author also made sure that the ACE Mega Codec Pack includes a good media player (BSPlayer) and a convenient filter manager.

The package is no longer updated.