VLC

VLC is a media player/converter program which may be of use in moving video and audio files from one format to another. It is free and open source, and has an orange and white striped construction cone as its icon. It is available for a number of platforms, including Windows, Mac, and Linux.

Formats supported
Supported formats can vary by platform. This is not a complete list.

Video

 * 3GP
 * ASF
 * AVI
 * Cinepak
 * Dirac
 * DivX (1/2/3/4/5/6)
 * DVD
 * FLV
 * H.264
 * Indeo
 * MKV
 * MPEG (1/2/4)
 * MXF
 * OGG (Theora)
 * QuickTime
 * Real Video
 * Sorenson
 * WMV (1/2/3/9)
 * XviD

Audio

 * AC3
 * ADPCM
 * ALAC
 * Amiga Module
 * ATRAC
 * CD
 * DTS
 * FLAC
 * Impulse Tracker module
 * LPCM
 * MIDI
 * MLP
 * Monkey's Audio
 * MP3
 * MP4 (AAC)
 * Musepack
 * Ogg (Vorbis)
 * QCELP
 * QuickTime
 * Real Audio
 * Scream Tracker 3 module
 * Speex
 * True Audio (TTA)
 * WAV
 * WavPack
 * WMA 1/2/3

Other

 * ID3
 * Kate
 * SubRip text file format
 * VobSub

Links

 * Official site with downloads
 * Installing VLC might void your Dell speaker warranty!
 * VLC.js blog posts: ,