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.

This Codec Pack is designed as a user-friendly solution for playing all your movie files. You should be able to play all the popular movie formats and even some rare formats.

The K-Lite Codec Pack has a couple of major advantages compared to other codec packs: It it always very up-to-date with the latest versions of the codecs; It is very user-friendly and the installation is fully customizable, meaning that you can install only those components that you really want; It has been very well tested, so that the package doesn't contain any conflicting codecs; It is a very complete package, containing everything you need to play your movies; and has different packages.

Full contains even more codecs. It also has encoding support for various formats. This package is for power users and people who do their own encodings

Player:
- Media Player Classic Homecinema [version 1.2.1008.0]
- Media Player Classic [version 6.4.9.1 rev. 100]

ffdshow:
- ffdshow [revision 2954]
- ffdshow VFW interface
- extra plugins

DirectShow video decoding filters:
- XviD [version 1.2.1]
- DivX [version 6.8.5]
- On2 VP7 [version 7.0.10.0]
- MPEG-2 (Cyberlink) [version 8.4.0.205]
- MPEG-2 (Gabest) [version 1.0.0.4]

DirectShow audio decoding filters:
- AC3/DTS/LPCM (AC3Filter) [version 1.60b]
- Vorbis (CoreVorbis) [version 1.1.0.79]
- AAC (MONOGRAM) [version 0.9.6.0]

DirectShow audio parsers:
- FLAC (madFLAC) [version 1.8]
- WavPack (CoreWavPack) [version 1.1.1]
- MusePack (MONOGRAM) [version 0.9.2.0 | 0.4.0.0]
- Monkey's Audio (DCoder) [version 1.0]
- OptimFROG (RadLight) [version 1.0.0.1]
- AMR (MONOGRAM) [version 1.0.1.0]
- DC-Bass Source [version 1.2.0]
- AC3/DTS Source (AC3File) [version 0.5b]

DirectShow source filters:
- AVI splitter (Gabest) [version 1.0.0.9]
- AVI splitter (Haali Media Splitter) [version 1.9.42.1]
- MP4 splitter (Haali Media Splitter) [version 1.9.42.1]
- MP4 splitter (Gabest) [version 1.0.0.5]
- Matroska splitter (Haali Media Splitter) [version 1.9.42.1]
- Matroska splitter (Gabest) [version 1.0.3.1]
- Ogg splitter (Haali Media Splitter) [version 1.9.42.1]
- Ogg splitter (Gabest) [version 1.2.997.0]
- MPEG PS/TS splitter (Haali Media Splitter) [version 1.9.42.1]
- MPEG PS/TS splitter (Gabest) [version 1.2.1020.0]
- FLV splitter (Gabest) [version 1.0.0.5]
- CDXA Reader (Gabest) [version 1.0.0.2]

DirectShow subtitle filter:
- DirectVobSub (a.k.a. VSFilter) [version 2.39.5.1]
- DirectVobSub (a.k.a. VSFilter) [version 2.33]

Other filters:
- Haali Video Renderer [version 1.9.42.1]

VFW video codecs:
- XviD [version 1.2.1]
- DivX [version 6.8.5]
- x264 [revision 1145]
- On2 VP6 [version 6.4.2.0]
- On2 VP7 [version 7.0.10.0]
- Intel Indeo 4 [version 4.51.16.2]
- Intel Indeo 5 [version 5.2562.15.54]
- Intel I.263 [version 2.55.1.16]
- huffyuv [version 2.1.1 CCE Patch 0.2.5]
- YV12 (Helix) [version 1.2]

ACM audio codecs:
- MP3 (Fraunhofer) [version 3.4.0.0]
- MP3 (LAME) [version 3.98.2]
- AC3ACM [version 1.4]
- Vorbis [version 0.0.3.6]
- DivX ;) Audio [version 4.2.0.0]

Real Alternative:
- RealMedia codecs [version 6.0.14.895]
- RealMedia plugin for Internet Explorer
- RealMedia plugin for Firefox/Mozilla/Netscape/Opera/Chrome
- RealMedia DirectShow splitter [version 1.0.1.2]

Tools:
- Codec Tweak Tool [version 2.5.5]
- GSpot Codec Information Appliance [version 2.70a]
- MediaInfo Lite [version 0.7.15]
- VobSubStrip [version 0.11]
- GraphStudio [version 0.3.1.0]
- Haali Muxer
- FourCC Changer
- Bitrate Calculator

Updated ffdshow to revision 2954
- Updated AC3Filter to version 1.60b
- Updated x264VFW to revision 1145
- Updated MediaInfo Lite to version 0.7.15
- Added the ability to easily change the preferred splitter for AVI/MP4/MOV/HDMOV/3GP files
- Minor changes