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

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

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