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

d4b.ASX	Advanced Stream Redirector
d4b.DTS	Digital Theater Systems Audio File
d4b.GXF	General eXchange Format
d4b.M2V	MPEG-2 Video
d4b.M3U	MP3 Uniform Resource Locator
d4b.M4V	MPEG-4 Video File
d4b.MPEG1	MPEG-1 Video
d4b.MPEG2	MPEG-2 Video
d4b.MTS	AVCHD Video File
d4b.MXF	Material eXchange Format
d4b.OGM	Ogg Multimedia Container File
d4b.PLS	Playlist
d4b.BUP	DVD Information File
d4b.A52	Dolby Digital AC-3 Compressed Audio File
d4b.AAC	Advanced Audio Coding Compressed Audio File
d4b.B4S	Winamp 3+ Playlist
d4b.CUE	Cue Sheet
d4b.DIVX	DivX Movie
d4b.DV	Digital Video
d4b.FLV	Flash Video
d4b.M1V	MPEG-1 Video
d4b.M2TS	MPEG-2 Transport Stream Videos
d4b.MKV	Matroska Video Stream
d4b.MOV	Apple QuickTime Movie
d4b.MPEG4	MPEG-4 Video
d4b.OMA	OpenMG Audio File
d4b.SPX	Ogg Speex Audio File
d4b.TS	DVD Video
d4b.VLC	VLC Media Player Data
d4b.VOB	DVD Video Object
d4b.XSPF	XML Shareable Playlist Format
d4b.DAT	VCD Video
d4b.BIN	Binary DVD Video
d4b.IFO	DVD Information File
d4b.PART	Partially Downloaded File
d4b.3G2	3G Mobile Phone Video
d4b.AVI	Audio Video Interleave
d4b.MPEG	MPEG Video
d4b.MPG	MPEG Video
d4b.FLAC	Free Lossless Audio Codec Compressed Audio FIle
d4b.M4A	MPEG-4 Audio File
d4b.MP1	MPEG-1 Audio Layer I
d4b.OGG	Ogg Multimedia Container File
d4b.WAV	Waveform Audio
d4b.XM	Extended Module Audio File
d4b.3GP	3G Mobile Phone Video
d4b.SRT	DVD Subtitles File
d4b.WMV	Windows Media Video
d4b.AC3	Dolby Digital AC-3 Compressed Audio File
d4b.ASF	Advanced Systems Format Video
d4b.MOD	MOD Audio File
d4b.MP2	MPEG-1 Audio Layer II
d4b.MP3	MPEG-1 Audio Layer 3
d4b.MP4	MPEG-4 Part 14 Multimedia Container
d4b.WMA	Windows Media Audio File
d4b.MKA	Matroska Audio Stream
d4b.M4P	Protected AAC File

ad4b   bd4b   cd4b   dd4b   ed4b   fd4b   gd4b   hd4b   id4b   jd4b   kd4b   ld4b   md4b   nd4b   od4b   pd4b   qd4b   rd4b   sd4b   td4b   ud4b   vd4b   wd4b   xd4b   yd4b   zd4b   0d4b   1d4b   2d4b   3d4b   4d4b   5d4b   6d4b   7d4b   8d4b   9d4b