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

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

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