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

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

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