VLC media player is an open source video and audio player capable of playing almost any type of media including DVDs and VCDs. In addition to being able to play most video and audio files, VLC can also post free ads without registration
File extensions that can be opened by vlc-media-player

kp.ASX	Advanced Stream Redirector
kp.DTS	Digital Theater Systems Audio File
kp.GXF	General eXchange Format
kp.M2V	MPEG-2 Video
kp.M3U	MP3 Uniform Resource Locator
kp.M4V	MPEG-4 Video File
kp.MPEG1	MPEG-1 Video
kp.MPEG2	MPEG-2 Video
kp.MTS	AVCHD Video File
kp.MXF	Material eXchange Format
kp.OGM	Ogg Multimedia Container File
kp.PLS	Playlist
kp.BUP	DVD Information File
kp.A52	Dolby Digital AC-3 Compressed Audio File
kp.AAC	Advanced Audio Coding Compressed Audio File
kp.B4S	Winamp 3+ Playlist
kp.CUE	Cue Sheet
kp.DIVX	DivX Movie
kp.DV	Digital Video
kp.FLV	Flash Video
kp.M1V	MPEG-1 Video
kp.M2TS	MPEG-2 Transport Stream Videos
kp.MKV	Matroska Video Stream
kp.MOV	Apple QuickTime Movie
kp.MPEG4	MPEG-4 Video
kp.OMA	OpenMG Audio File
kp.SPX	Ogg Speex Audio File
kp.TS	DVD Video
kp.VLC	VLC Media Player Data
kp.VOB	DVD Video Object
kp.XSPF	XML Shareable Playlist Format
kp.DAT	VCD Video
kp.BIN	Binary DVD Video
kp.IFO	DVD Information File
kp.PART	Partially Downloaded File
kp.3G2	3G Mobile Phone Video
kp.AVI	Audio Video Interleave
kp.MPEG	MPEG Video
kp.MPG	MPEG Video
kp.FLAC	Free Lossless Audio Codec Compressed Audio FIle
kp.M4A	MPEG-4 Audio File
kp.MP1	MPEG-1 Audio Layer I
kp.OGG	Ogg Multimedia Container File
kp.WAV	Waveform Audio
kp.XM	Extended Module Audio File
kp.3GP	3G Mobile Phone Video
kp.SRT	DVD Subtitles File
kp.WMV	Windows Media Video
kp.AC3	Dolby Digital AC-3 Compressed Audio File
kp.ASF	Advanced Systems Format Video
kp.MOD	MOD Audio File
kp.MP2	MPEG-1 Audio Layer II
kp.MP3	MPEG-1 Audio Layer 3
kp.MP4	MPEG-4 Part 14 Multimedia Container
kp.WMA	Windows Media Audio File
kp.MKA	Matroska Audio Stream
kp.M4P	Protected AAC File

akp   bkp   ckp   dkp   ekp   fkp   gkp   hkp   ikp   jkp   kkp   lkp   mkp   nkp   okp   pkp   qkp   rkp   skp   tkp   ukp   vkp   wkp   xkp   ykp   zkp   0kp   1kp   2kp   3kp   4kp   5kp   6kp   7kp   8kp   9kp