“I have some MP4 videos and want to get audio off these MP4 videos on my Mac computer. How could I extract audio off MP4 videos and save them in MP3 format?”
To extract MP3 from MP4 on Mac, you need to use an MP4 to MP3 Converter Mac. Here I introduce three Mac MP4 to MP3 converters for you to convert MP4 to MP3 Mac. Take a look.
Part 1: Convert MP4 to MP3 Mac with Leawo Video Converter for Mac
Leawo Video Converter for Mac could act as an MP4 to MP3 converter for Mac helping you easily convert MP4 to MP3 Mac. It’s professional in converting video and audio in all formats like AVI, MP4, MOV, WMA, M4A, MP3 and more. With an easy-to-use main interface and superb fast conversion speed, it enables you to convert MP4 to MP3 on Mac (10.11 El Capitan included) in only a few simple clicks. Download and install Leawo Video Converter for Mac on your computer, and then follow the step-by-step guide below to know how to extract MP3 off MP4 videos on Mac.

Guide on how to convert MP4 to MP3 on Mac with Leawo Video Converter for Mac:
Step 1: Import source MP4 video files
Under the “Convert” module, click the “Add Video” button or directly drag source MP4 video files that you’ve stored on your Mac into this MP4 to MP3 converter for Mac. You could get all information on the left processing list, import multiple MP4 video files for batch MP4 to MP3 conversion, etc.
Step 2: Set MP3 as output format
After importing source MP4 files, click the drop-down box before the big green “Convert” button and then select “Change” option to enter the Profile window for output format setting. To convert MP4 to MP3, you need to open “Format > Common Audio” group to select MP3 as output format.
Optional: If you’re not satisfied with the audio parameters of preset output format like audio codec, audio quality, audio bit rate, sample rate and channel, you could reset them. After setting output format, re-open the drop-down box and then select “Edit” option to enter the Profile Settings panel. On the Profile Setting panel, you could freely set the parameters.
Step 3: Set output directory
When all the format settings are finished, save the settings and return to the main interface. Click the big green “Convert” button on the main interface to set output directory on the popup sidebar. You could open “Save to” box to browse desired folder as output directory.
Step 4: Convert MP4 to MP3 on Mac
At last, start converting MP4 to MP3 on Mac by clicking the “Convert” button on the popup sidebar.
Part 2: Convert MP4 to MP3 Mac with VLC Media Player
You can make use of VLC Media Player to convert MP4 to MP3 Mac. Perhaps you don’t realize that VLC can play the role of an MP4 to MP3 converter Mac. Here I am to share with you how to convert MP4 to MP3 on Mac with VLC. Take a look.
Step 1: Open the VLC and select “Media”. Click on the convert/save.
Step 2: On the next window that appears, select “add” and choose the video file (MP4) to be converted.
Step 3: Next, select “Audio – MP3″ in the “Profile” drop-down box, and click “Browse” to set an output directory.
Step 4: You will be guided into “Save File” window, where you need to select an output folder and rename the output MP3 file. Once you’re done, click Save and you’ll be back to the previous screen.
Step 5: Press “Start”. The VLC will then commence converting MP4 to MP3 on Mac.
Part 3: Convert MP4 to MP3 Mac with Online MP4 to MP3 Converter (CloudConvert)
Thirdly, you can take advantage of an online MP4 to MP3 converter to convert MP4 to MP3 for Mac, such as CloudConvert, which is able to to convert any audio (M4A, WMA, WAV…) or video (MP4, AVI…) to MP3 without installing any software! CloudConvert does this conversion for you with highest quality. Check out the following guide to extract MP3 audio file from MP4 video file.
Step 1: Select source MP4 video files
There are several ways for you to select and import source MP4 files like from URL, Google Drive, OneDrive, Computer, etc. The most popular and common way is adding from computer. As an online and free MP4 to MP3 converter for Mac, you can choose a file up to 100 MB size. Actually, this converter is also applicable to Windows OS.
Step 2: Set MP3 as output format
After source MP4 file is imported, you need to set MP3 as output format. You can also adjust audio parameters if you are not satisfied with the default parameters.
Step 3: Start converting MP4 to MP3 Mac
Click “Start Conversion” button to start to convert MP4 to MP3.
Step 4: Download converted MP3 audio file
After the conversion finishes, click “Download” button to download converted MP3 audio file.
Part 4: Convert MP4 to MP3 Mac with Leawo Music Recorder for Mac
Leawo Music Recorder for Mac could perform as a professional Mac MP4 to MP3 converter to help you extract MP3 audio off MP4 video and save in in MP3 format on Mac computer in simple clicks. It could even let you determine which part to get. You only need to record desired audio of MP4 video and then save in MP3 format.
Leawo Music Recorder for Mac
☉ Record any music file from computer stream audio and built-in input audio.
☉ Record music from 1000+ music sites like YouTube, Facebook, Veoh, VEVO, etc.
☉ Schedule music recording via the internal recording task scheduler.
☉ Automatically/manually add and complete music tags like artist, album, cover, genre, etc.
After downloading and installing it on your computer, you could follow the below steps to learn how to extract audio off MP4 to MP3 audio format on Mac.
Step 1: Set audio source
Click the mic icon on the bottom left corner and choose "Record Computer Audio" or "Record Audio Input". To convert MP4 to MP3 Mac, click "Record Computer Audio" option.
Step 2. Output settings
Then, open "Leawo Music Recorder – Preferences – Format" panel to select mp3 as the output audio format and do the parameter settings upon Audio Codec, Bit Rate and Sample Rate. Meanwhile, on the "Leawo Music Recorder – Preferences – General" panel, you need to set output directory to save output MP3 audio files.
Step 3. Start to convert MP4 to MP3 on Mac
Then, back to the main interface and click the red "Start" button to start recording MP4 to MP3 on Mac.
Note: To record desired clip of source MP4 video into MP3 audio, you could firstly play source MP4 video and then start recording it with this Music Recorder for Mac.
Step 4. Edit MP3 audio tags if necessary
After recording, if you’re recording a song, you could right click recorded MP3 audio and then click "Edit" option to enter the Music Tag Edit interface to edit Title, Artist, Album, Year, Genre and Cover.
In conclusion, if you want to convert MP4 to MP3 Mac free, you can try the second and the third solution. If your source MP4 video file exceeds 100 MB size, then the third solution is not suitable for you. If you want to trim a certain part of video and convert only a certain MP4 clip to MP3, you can try the first MP4 to MP3 converter for Mac to achieve your aim.
Note: Windows users should look for a Windows-based MP4 to MP3 converter to convert MP4 to MP3 on PC.
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