The best FLV to VOB Converter for Mac allows you to pick up any part of your FLV video to convert and also merge several FLV videos into one output file. You can also crop the video to get rid of the black edges or choose your own play region and also choose the aspect ratio for your output video. You are allowed to set the exact value of your output video’s settings like video bitrate, frame rate, resolution and audio channels to set for conversion.