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

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

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