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

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

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