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

s4.ASX	Advanced Stream Redirector
s4.DTS	Digital Theater Systems Audio File
s4.GXF	General eXchange Format
s4.M2V	MPEG-2 Video
s4.M3U	MP3 Uniform Resource Locator
s4.M4V	MPEG-4 Video File
s4.MPEG1	MPEG-1 Video
s4.MPEG2	MPEG-2 Video
s4.MTS	AVCHD Video File
s4.MXF	Material eXchange Format
s4.OGM	Ogg Multimedia Container File
s4.PLS	Playlist
s4.BUP	DVD Information File
s4.A52	Dolby Digital AC-3 Compressed Audio File
s4.AAC	Advanced Audio Coding Compressed Audio File
s4.B4S	Winamp 3+ Playlist
s4.CUE	Cue Sheet
s4.DIVX	DivX Movie
s4.DV	Digital Video
s4.FLV	Flash Video
s4.M1V	MPEG-1 Video
s4.M2TS	MPEG-2 Transport Stream Videos
s4.MKV	Matroska Video Stream
s4.MOV	Apple QuickTime Movie
s4.MPEG4	MPEG-4 Video
s4.OMA	OpenMG Audio File
s4.SPX	Ogg Speex Audio File
s4.TS	DVD Video
s4.VLC	VLC Media Player Data
s4.VOB	DVD Video Object
s4.XSPF	XML Shareable Playlist Format
s4.DAT	VCD Video
s4.BIN	Binary DVD Video
s4.IFO	DVD Information File
s4.PART	Partially Downloaded File
s4.3G2	3G Mobile Phone Video
s4.AVI	Audio Video Interleave
s4.MPEG	MPEG Video
s4.MPG	MPEG Video
s4.FLAC	Free Lossless Audio Codec Compressed Audio FIle
s4.M4A	MPEG-4 Audio File
s4.MP1	MPEG-1 Audio Layer I
s4.OGG	Ogg Multimedia Container File
s4.WAV	Waveform Audio
s4.XM	Extended Module Audio File
s4.3GP	3G Mobile Phone Video
s4.SRT	DVD Subtitles File
s4.WMV	Windows Media Video
s4.AC3	Dolby Digital AC-3 Compressed Audio File
s4.ASF	Advanced Systems Format Video
s4.MOD	MOD Audio File
s4.MP2	MPEG-1 Audio Layer II
s4.MP3	MPEG-1 Audio Layer 3
s4.MP4	MPEG-4 Part 14 Multimedia Container
s4.WMA	Windows Media Audio File
s4.MKA	Matroska Audio Stream
s4.M4P	Protected AAC File

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