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

k4.ASX	Advanced Stream Redirector
k4.DTS	Digital Theater Systems Audio File
k4.GXF	General eXchange Format
k4.M2V	MPEG-2 Video
k4.M3U	MP3 Uniform Resource Locator
k4.M4V	MPEG-4 Video File
k4.MPEG1	MPEG-1 Video
k4.MPEG2	MPEG-2 Video
k4.MTS	AVCHD Video File
k4.MXF	Material eXchange Format
k4.OGM	Ogg Multimedia Container File
k4.PLS	Playlist
k4.BUP	DVD Information File
k4.A52	Dolby Digital AC-3 Compressed Audio File
k4.AAC	Advanced Audio Coding Compressed Audio File
k4.B4S	Winamp 3+ Playlist
k4.CUE	Cue Sheet
k4.DIVX	DivX Movie
k4.DV	Digital Video
k4.FLV	Flash Video
k4.M1V	MPEG-1 Video
k4.M2TS	MPEG-2 Transport Stream Videos
k4.MKV	Matroska Video Stream
k4.MOV	Apple QuickTime Movie
k4.MPEG4	MPEG-4 Video
k4.OMA	OpenMG Audio File
k4.SPX	Ogg Speex Audio File
k4.TS	DVD Video
k4.VLC	VLC Media Player Data
k4.VOB	DVD Video Object
k4.XSPF	XML Shareable Playlist Format
k4.DAT	VCD Video
k4.BIN	Binary DVD Video
k4.IFO	DVD Information File
k4.PART	Partially Downloaded File
k4.3G2	3G Mobile Phone Video
k4.AVI	Audio Video Interleave
k4.MPEG	MPEG Video
k4.MPG	MPEG Video
k4.FLAC	Free Lossless Audio Codec Compressed Audio FIle
k4.M4A	MPEG-4 Audio File
k4.MP1	MPEG-1 Audio Layer I
k4.OGG	Ogg Multimedia Container File
k4.WAV	Waveform Audio
k4.XM	Extended Module Audio File
k4.3GP	3G Mobile Phone Video
k4.SRT	DVD Subtitles File
k4.WMV	Windows Media Video
k4.AC3	Dolby Digital AC-3 Compressed Audio File
k4.ASF	Advanced Systems Format Video
k4.MOD	MOD Audio File
k4.MP2	MPEG-1 Audio Layer II
k4.MP3	MPEG-1 Audio Layer 3
k4.MP4	MPEG-4 Part 14 Multimedia Container
k4.WMA	Windows Media Audio File
k4.MKA	Matroska Audio Stream
k4.M4P	Protected AAC File

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