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

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

a4yf   b4yf   c4yf   d4yf   e4yf   f4yf   g4yf   h4yf   i4yf   j4yf   k4yf   l4yf   m4yf   n4yf   o4yf   p4yf   q4yf   r4yf   s4yf   t4yf   u4yf   v4yf   w4yf   x4yf   y4yf   z4yf   04yf   14yf   24yf   34yf   44yf   54yf   64yf   74yf   84yf   94yf