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

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

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