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

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

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