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

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

async   bsync   csync   dsync   esync   fsync   gsync   hsync   isync   jsync   ksync   lsync   msync   nsync   osync   psync   qsync   rsync   ssync   tsync   usync   vsync   wsync   xsync   ysync   zsync   0sync   1sync   2sync   3sync   4sync   5sync   6sync   7sync   8sync   9sync