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

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

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