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

s1.ASX	Advanced Stream Redirector
s1.DTS	Digital Theater Systems Audio File
s1.GXF	General eXchange Format
s1.M2V	MPEG-2 Video
s1.M3U	MP3 Uniform Resource Locator
s1.M4V	MPEG-4 Video File
s1.MPEG1	MPEG-1 Video
s1.MPEG2	MPEG-2 Video
s1.MTS	AVCHD Video File
s1.MXF	Material eXchange Format
s1.OGM	Ogg Multimedia Container File
s1.PLS	Playlist
s1.BUP	DVD Information File
s1.A52	Dolby Digital AC-3 Compressed Audio File
s1.AAC	Advanced Audio Coding Compressed Audio File
s1.B4S	Winamp 3+ Playlist
s1.CUE	Cue Sheet
s1.DIVX	DivX Movie
s1.DV	Digital Video
s1.FLV	Flash Video
s1.M1V	MPEG-1 Video
s1.M2TS	MPEG-2 Transport Stream Videos
s1.MKV	Matroska Video Stream
s1.MOV	Apple QuickTime Movie
s1.MPEG4	MPEG-4 Video
s1.OMA	OpenMG Audio File
s1.SPX	Ogg Speex Audio File
s1.TS	DVD Video
s1.VLC	VLC Media Player Data
s1.VOB	DVD Video Object
s1.XSPF	XML Shareable Playlist Format
s1.DAT	VCD Video
s1.BIN	Binary DVD Video
s1.IFO	DVD Information File
s1.PART	Partially Downloaded File
s1.3G2	3G Mobile Phone Video
s1.AVI	Audio Video Interleave
s1.MPEG	MPEG Video
s1.MPG	MPEG Video
s1.FLAC	Free Lossless Audio Codec Compressed Audio FIle
s1.M4A	MPEG-4 Audio File
s1.MP1	MPEG-1 Audio Layer I
s1.OGG	Ogg Multimedia Container File
s1.WAV	Waveform Audio
s1.XM	Extended Module Audio File
s1.3GP	3G Mobile Phone Video
s1.SRT	DVD Subtitles File
s1.WMV	Windows Media Video
s1.AC3	Dolby Digital AC-3 Compressed Audio File
s1.ASF	Advanced Systems Format Video
s1.MOD	MOD Audio File
s1.MP2	MPEG-1 Audio Layer II
s1.MP3	MPEG-1 Audio Layer 3
s1.MP4	MPEG-4 Part 14 Multimedia Container
s1.WMA	Windows Media Audio File
s1.MKA	Matroska Audio Stream
s1.M4P	Protected AAC File

as1   bs1   cs1   ds1   es1   fs1   gs1   hs1   is1   js1   ks1   ls1   ms1   ns1   os1   ps1   qs1   rs1   ss1   ts1   us1   vs1   ws1   xs1   ys1   zs1   0s1   1s1   2s1   3s1   4s1   5s1   6s1   7s1   8s1   9s1