iCoolsoft MP4 to MP3 Converter for Mac is a professional Mac MP4 to MP3 converting tool that can extract audio parts from MP4 videos to MP3 files. It also helps convert video to audio and audio to audio supporting all popular formats. You can also use this Mac MP4 to MP3 Converter to specify a segment of MP4 video to convert or join multiple MP4 videos and convert their audio parts to an entire MP3 file. The output MP3 audio quality can be adjusted to meet your specific requirements. So long as you want to convert audio formats and extract audio from video on Mac OS iCoolsoft MP4 to MP3 Converter for Mac is the most handy tool to accomplish that. Features Convert MP4 to MP3 on Mac This Mac utility can rip audio tracks from MP4 videos and convert to MP3 files. Both MPEG-4 MP4 videos and H.264 MP4 videos are perfectly supported. This tool can finish the converting with fastest speed and excellent sound quality. Support other popular video/audio formats Besides the MP4 to MP3 converting this tool can also finish almost all video to audio and audio to audio format conversions on Mac OS X. The supported formats include AVI WMV MPEG RMVB MOV MKV MP4 3GP FLV H.264 VOB TOD TS MP3 AAC M4A AC3 OGG FLAC etc. Split and merge source files Powerful editing functions are also provided for you to easily get your favorite clips and merge several parts into one file. Adjust output quality This tool allows you to adjust all encoding settings including Sample Rate Bitrate etc. You can choose to perfectly keep the original sound quality or compress files to small sizes. Other features Set different formats as the output and finish the converting at a time. Select subtitle and audio track for output files. Capture picture from the source videos and save as JPEG GIF BMP files.