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

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

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