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

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

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