Avidemux (MP4 Video) Download Article. 1. Download and install Avidemux. This is a free, open-source video editor that can quickly extract the audio from any MP4 file and convert it to MP3. It doesn't include any adware or toolbars It is available for Windows, Mac, and Linux.
To convert MP4 to MP3 offline on Mac, you can use the Apple Music App. Once the app is launched, select the video to convert, go to File > Convert, and choose MP3.
Step 2. Click "File" > "Import," and then "Audio" to upload the M4P file you want to convert. Step 3. The second step requires you to click "File" > "Export" and then "Export audio." It will open up a new window. Step 4. Choose M4A from the "Save as type" tab. Rename the file, click "Save," and you are done!
To convert MP4 to MP3 in iTunes, go to File, select Convert, and click on Create MP3 Version. Your Mac will store the MP3 file. To find it, right-click the file and select Show in Finder .
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