Freeware Descriptions:

K-Lite Codec Pack is a collection of codecs and related tools. Codec is short for Compressor-Decompressor. Codecs are needed for encoding and decoding (playing) audio and video. It is designed as a user-friendly solution for playing all your video files. You should be able to play all the popular movie formats and even some rare formats.

Here is complete features (taken from authors site):
K-Lite Mega Codec Pack combines the contents of three codec packs:

  • K-Lite Codec Pack Full
  • QuickTime Alternative
  • Real Alternative

What’s New in version 4.9.0:

  • Updated ffdshow to revision 2996
  • Updated Cyberlink MPEG-2 decoder to version 8.4.0.330
  • Updated Xvid to version 1.2.2
  • Updated AC3Filter to version 1.61b
  • Updated AC3File to version 0.6b
  • Updated Gabest Matroska splitter to version 1.2.1160.0
  • Updated Gabest MP4 splitter to version 1.2.1160.0
  • Updated Gabest MPEG splitter to version 1.2.1160.0
  • Updated Gabest Ogg splitter to version 1.2.1160.0
  • Added DivX 3.11 codec. This is needed by WMP to be able to play certain old files. Other players do not need it.
  • Updated MediaInfo Lite to version 0.7.16
  • Added the ability to easily change the preferred splitter for TS/M2TS files
  • Minor changes

File Size / OS:

  • 19.35 MB / Windows 9x - ME - 2000 - NT - XP - 2003 - Vista

Download K-Lite Mega Codec Pack 4.9.0: