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

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

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