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

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

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