# handbrakecli > Command-line interface to the HandBrake video conversion and DVD ripping tool. > More information: . - Convert a video file to MKV (AAC 160kbit audio and x264 CRF20 video): `handbrakecli {{[-i|--input]}} {{input.avi}} {{[-o|--output]}} {{output.mkv}} {{[-e|--encoder]}} x264 {{[-q|--quality]}} 20 {{[-B|--ab]}} 160` - Resize a video file to 320x240: `handbrakecli {{[-i|--input]}} {{input.mp4}} {{[-o|--output]}} {{output.mp4}} {{[-w|--width]}} 320 {{[-l|--height]}} 240` - List available presets: `handbrakecli {{[-z|--preset-list]}}` - Convert an AVI video to MP4 using the Android preset: `handbrakecli {{[-Z|--preset]}} "Android" {{[-i|--input]}} {{input.ext}} {{[-o|--output]}} {{output.mp4}}` - Print the content of a DVD, getting the CSS keys in the process: `handbrakecli {{[-i|--input]}} {{/dev/sr0}} {{[-t|--title]}} 0` - Rip the first track of a DVD in the specified device. Audiotracks and subtitle languages are specified as lists: `handbrakecli {{[-i|--input]}} {{/dev/sr0}} {{[-t|--title]}} 1 {{[-o|--output]}} {{out.mkv}} {{[-f|--format]}} av_mkv {{[-e|--encoder]}} x264 {{[-s|--subtitle]}} {{1,4,5}} {{[-a|--audio]}} {{1,2}} {{[-E|--aencoder]}} copy {{[-q|--quality]}} {{23}}`