HandBrake is an open-source, GPL-licensed, multiplatform, multithreaded video transcoder, available for MacOS X, Linux and Windows.



Supported Sources:

    * Any DVD-like source: VIDEO_TS folder, DVD image or real DVD (unencrypted--protection methods including CSS are not supported internally and must be handled externally with third-party software and libraries), and some .VOB and .TS files
    * Most any multimedia file it can get libavformat to read and libavcodec to decode.

Outputs:

    * File format: MP4 and MKV
    * Video: MPEG-4, H.264, or Theora (1 or 2 passes or constant quantizer/rate encoding)
    * Audio: AAC, MP3, Vorbis or AC-3 and DTS pass-through (supports encoding of several audio tracks)

Misc features:

    * Chapter selection
    * Basic subtitle support (burned into the picture)
    * Integrated bitrate calculator
    * Picture deinterlacing, cropping and scaling
    * Grayscale encoding