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

b4x.ASX	Advanced Stream Redirector
b4x.DTS	Digital Theater Systems Audio File
b4x.GXF	General eXchange Format
b4x.M2V	MPEG-2 Video
b4x.M3U	MP3 Uniform Resource Locator
b4x.M4V	MPEG-4 Video File
b4x.MPEG1	MPEG-1 Video
b4x.MPEG2	MPEG-2 Video
b4x.MTS	AVCHD Video File
b4x.MXF	Material eXchange Format
b4x.OGM	Ogg Multimedia Container File
b4x.PLS	Playlist
b4x.BUP	DVD Information File
b4x.A52	Dolby Digital AC-3 Compressed Audio File
b4x.AAC	Advanced Audio Coding Compressed Audio File
b4x.B4S	Winamp 3+ Playlist
b4x.CUE	Cue Sheet
b4x.DIVX	DivX Movie
b4x.DV	Digital Video
b4x.FLV	Flash Video
b4x.M1V	MPEG-1 Video
b4x.M2TS	MPEG-2 Transport Stream Videos
b4x.MKV	Matroska Video Stream
b4x.MOV	Apple QuickTime Movie
b4x.MPEG4	MPEG-4 Video
b4x.OMA	OpenMG Audio File
b4x.SPX	Ogg Speex Audio File
b4x.TS	DVD Video
b4x.VLC	VLC Media Player Data
b4x.VOB	DVD Video Object
b4x.XSPF	XML Shareable Playlist Format
b4x.DAT	VCD Video
b4x.BIN	Binary DVD Video
b4x.IFO	DVD Information File
b4x.PART	Partially Downloaded File
b4x.3G2	3G Mobile Phone Video
b4x.AVI	Audio Video Interleave
b4x.MPEG	MPEG Video
b4x.MPG	MPEG Video
b4x.FLAC	Free Lossless Audio Codec Compressed Audio FIle
b4x.M4A	MPEG-4 Audio File
b4x.MP1	MPEG-1 Audio Layer I
b4x.OGG	Ogg Multimedia Container File
b4x.WAV	Waveform Audio
b4x.XM	Extended Module Audio File
b4x.3GP	3G Mobile Phone Video
b4x.SRT	DVD Subtitles File
b4x.WMV	Windows Media Video
b4x.AC3	Dolby Digital AC-3 Compressed Audio File
b4x.ASF	Advanced Systems Format Video
b4x.MOD	MOD Audio File
b4x.MP2	MPEG-1 Audio Layer II
b4x.MP3	MPEG-1 Audio Layer 3
b4x.MP4	MPEG-4 Part 14 Multimedia Container
b4x.WMA	Windows Media Audio File
b4x.MKA	Matroska Audio Stream
b4x.M4P	Protected AAC File

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