All-in-One Video Converter

Wondershare UniConverter

  • Convert MP4 to MP3 on Mac easily and quickly without losing quality.
  • Download online videos and playlist to MP3 format by pasting URL.
  • Edit videos and audio files with trimming, merging, cutting, changing bitrate, and more.
  • Transfer converted MP3 files to iPhone/iPad/Android devices easily.
  • Versatile toolbox combines with Screen Recorder, CD Burner, Fix Video Metadata, etc.
convert MP4 to MP3 Mac

Convert MP4 to Other Format

1. Convert MP4 on Windows+
  1. 1.1 MP4 to WMV Converters
  2. 1.2 Free MP4 to MP3 Converters
  3. 1.3 Free MP4 to AVI Converters
  4. 1.4 Convert MP4 to YouTube
  5. 1.5 Convert MP4 to Xvid
  6. 1.6 Convert MP4 to Windows Movie Maker
  7. 1.7 Convert MP4 to WEBM
  8. 1.8 Convert MP4 to WAV
  9. 1.9 Convert MP4 to VOB
  10. 1.10 Convert MP4 to SWF
  11. 1.11 Convert MP4 to MPEG/MPEG-1/MPEG-2
  12. 1.12 Convert MP4 to MOV
  13. 1.13 Convert MP4 to MKV
  14. 1.14 Convert MP4 to M4V
  15. 1.15 Convert MP4 to H.264
2. Convert MP4 to Other on Windows+
  1. 2.1 Convert MP4 to ISO
  2. 2.2 Convert MP4 to iPod
  3. 2.3 Convert MP4 to iPhone
  4. 2.4 Convert MP4 to iPad
  5. 2.5 Convert MP4 to iDVD
  6. 2.6 Convert MP4 to FLV
  7. 2.7 Burn MP4 to DVD
  8. 2.8 Top 15 MP4 to DVD Burners
  9. 2.9 Convert MP4 to DV
  10. 2.10 Convert MP4 to Divx
  11. 2.11 Convert MP4 to AVI
  12. 2.12 Convert MP4 to Adobe Premiere
  13. 2.13 Convert MP4 to 3GP
  14. 2.14 Convert MP4 to HTML5
  15. 2.15 Convert MP4 to MPG
  16. 2.16 Convert MP4 to OGV
  17. 2.17 Convert MP4 to PS3
  18. 2.18 Convert MP4 to iTunes
3. Convert MP4 to Other on Mac+
  1. 3.1 Convert MP4 to WMV on Mac
  2. 3.2 Convert MP4 to WEBM on Mac
  3. 3.3 Convert MP4 to SWF on Mac
  4. 3.4 Convert MP4 to OGV on Mac
  5. 3.5 Convert MP4 to OGG on Mac
  6. 3.6 Convert MP4 to MP3 on Mac
  7. 3.7 Convert MP4 to MOV on Mac
  8. 3.8 Convert MP4 to MKV on Mac
  9. 3.9 Convert MP4 to M4V on Mac
  10. 3.10 Convert MP4 to DVD on Mac
  11. 3.11 Convert MP4 to Divx on Mac
  12. 3.12 Convert MP4 to AVI on Mac
4. Convert MP4 to Other Online+
  1. 4.1 Convert MP4 to SWF Online
  2. 4.2 Convert MP4 to OGV Online
  3. 4.3 Convert MP4 to OGG Online
  4. 4.4 Convert MP4 to MKV Online
  5. 4.5 Convert MP4 to M4V Online
  6. 4.6 Convert MP4 to Divx Online
  7. 4.7 Convert MP4 to 3GP Online
  8. 4.8 MP4 to WMA Converters Online
  9. 4.9 MP4 to WEBM Converter Online
  10. 4.10 MP4 to WAV Converters Online
  11. 4.11 MP4 to MPG Converters Online
  12. 4.12 MP4 to MOV Converters Online
  13. 4.13 MP4 to FLV Converters Online
  14. 4.14 MP4 to AVI Converters Online
  15. 4.15 MP4 to MP3 Converters Online

4 Different Ways to Convert MP4 Files to MP3 on Mac

by Christine Smith • 2020-02-25 15:05:58 • Proven solutions

MP4 is undoubtedly the most popular as well as the most commonly used multimedia format for video and audio files. The format has a huge fan following in the digital world owing to the quality it maintains and multipurpose utility. Though MP4 files can be used for playing audio, they are mainly used for movies, videos, and online streaming. If music and audio files are your priority, then MP4 files may create an issue at times because there are many media players that do not support this format. Moreover, MP4 files occupy huge space on disk and if you are only using its soundtrack then rest of the space is unnecessary kept occupied.

Thus considering the above situations, it can be concluded that converting MP4 to MP3 format is the most sensible solution as MP3 is the most popular audio format for almost all music players. Besides, making the files lighter on disk space, they are also easy to handle and you can even download online MP4 videos to MP3 format for easy playback. In nutshell, MP4 to MP3 file conversion gives them better versatility as well as compatibility.

If you're struggled with your MP4 files to play the soundtrack from various devices and failed number of times, then you are on the right page. This article will introduce the best and free MP4 to MP3 converter for Mac and online to help you convert MP4 video to MP3 audio easily.

Part 1. Best MP4 to MP3 Converter for Mac: Convert Both Online and Local MP4 to MP3 Easily

One simple yet efficient tool that proves to be an apt choice for converting MP4 to MP3 format is Wondershare UniConverter (originally Wondershare Video Converter Ultimate). The tool is light, has a simple interface and allows converting online as well as local MP4 files to MP3 format easily. The lighting quick speed of the converter makes the entire process hassle free without any quality loss. The converted audio can be played on a host of devices ranging from media players to smartphones. No matter whether you have some MP4 files lying on your PC or you wish to download one from the internet, the software supports conversion of both.

video converter Wondershare UniConverter - Best MP4 to MP3 Converter for Windows/Mac (Catalina Included)

wondershare uniconverter
  • Directly convert MP4 to MP3, AVI, MKV, MOV, and other 1000+ formats.
  • Download YouTube videos and playlist to MP3 files directly by pasting URLs directly.
  • Burn videos to DVD and play with your DVD player with free DVD menu templates.
  • Convert MP4 to MP3 with 30X faster speed compared with other common converters.
  • Edit MP4 videos with trimming, cropping, adding watermark, subtitles, etc.
  • Transfer MP3 audio files from Mac/PC to iPhone/iPad/Android devices easily via a USB cable.
  • Multiple functions including Screen Recorder, CD Burner, Video/Audio Compressor, GIF Maker, Fix Media Metadata, etc.
  • Supported OS: Mac OS 10.15 (Catalina), 10.14, 10.13, 10.12, 10.11, 10.10, 10.9, 10.8, 10.7, 10.6, Windows 10/8/7/2003/XP/Vista.
safe download Security Verified. 5,481,347 people have downloaded it.

Solution 1: Steps to Convert Local MP4 Files to MP3 on Mac

Local MP4 files are those files that are already present on your Mac system. These files could have been earlier downloaded from the internet or copied/transferred from other devices. Listed below are video tutorial and steps to convert local MP4 to MP3 using Wondershare UniConverter on Mac, Windows users can take similar steps too.

Step 1 Add MP4 Files to Convert to MP3.

Download, install and launch Wondershare UniConverter on your Mac. Next, click the Add Files button and locate your favorite MP4 file from your local computer and add to the software interface. Alternatively, you can also simply drag and drop the file as well.

Launch UniConverter and locate mp4 video

Step 2 Choose MP3 as Output Format for MP4 Files.

Click the Audio tab from the drop-down list beside Convert all tasks to:, and select MP3 format and desired quality from the given list.

Select MP3 as output for local mp4 files

Step 3 Convert MP4 to MP3 Easily on Mac.

Finally, click the Convert All button to initiate the MP4 to MP3 conversion process. The video files will be successfully converted to MP3 format in no time, and you can find them from the Converted tab.

Convert MP4 to MP3 Mac

Video Tutorial to Convert MP4 to MP3 on Windows 10/8/7, Similar on Mac

Solution 2: How to Convert Online MP4 Videos to MP3 with Wondershare UniConverter

In addition to local files, Wondershare UniConverter also supports converting online videos to MP3. There are numerous video sharing sites like YouTube, Vimeo, VEVO, Dailymotion, and others which have the collection of music from almost all genres, and period. If you wish to download just the soundtrack from your favorite music video from these sites, Wondershare UniConverter is a one-stop solution. Read the steps below to download online MP4 videos to MP3 easily on Windows and Mac using Wondershare UniConverter.

Step 1 Copy the Video URL You Want to Download to MP3.

Open the browser on your Mac and search for your favorite video that you wish to download and convert. Copy the video URL.

Find your favorite online video

Step 2 Launch Mac MP4 to MP3 Converter and Paste Video URL.

Launch Wondershare UniConverter on your Mac. Choose the Download tab from the main interface and then click the Paste URL option to open a new window.

paste MP4 video URL for downloading

Step 3 Convert Online MP4 Video to MP3.

Choose MP3 from the Download Audio option, and then click the Download button to start the online MP4 to MP3 conversion on your Mac.

choose MP3 for online MP4 videos output

After a while, you can find the downloaded video in the Finished tab.

convert online MP4 to MP3 Mac

With steps above, you will be successfully able to convert MP4 to MP3 for Mac devices.

Note: For YouTube videos, the software provides an option where you can directly download YouTube to MP3.

Convert YouTube MP4 to MP3 directly

Part 2. MP4 to MP3 Converter for Mac Free: Convert Local MP4 to MP3 Online

If you have few local files that need to be converted from MP4 to MP3 format, then there is no point spending on professional software are there are various online tools available for the same. Online UniConverter (originally is one such online free MP4 to MP3 converter for Mac that works quite smoothly. The online program allows converting files to MP3, WAV, WMA and OGG format and also allows selecting quality of the converted file.

Steps to Convert MP4 to MP3 Online with Online UniConverter

Step 1: Open Online UniConverter on your Mac browser.

Step 2: Click the Drag & Drop or Hit to Add File button to add the desired MP4 file from your Mac that you wish to convert to MP3.

Step 3: Select the MP3 as the output format from the Convert all files to menu and finally click the CONVERT button.

convert MP4 to MP3 online free

Part 3. How to Convert MP4 to MP3 Mac Online

You can download your favorite song or track from YouTube, Dailymotion, Vimeo and other popular sites for free using online video converter which is a decent online program that comes with an array of features. Using, you can convert your favorite MP4 file to various audio and video formats including MP3. Once downloaded, the file can be easily downloaded from the link provided. Online video converter is compatible of working with all latest browsers and there is no limitation to the number of conversions and downloads.

Steps to Convert Online MP4 to MP3 using OnlineVideoConverter

Step 1: Launch on your Mac device, find and copy the video URL you want to download.

Step 2: Click the Convert A VIDEO LINK/URL option and paste the copied URL to the OnlineVideoConverter website.

Step 3: From the given output formats, select MP3 as your target format.

Step 4: Finally, click the START button to initiate the conversion process. Once converted, the MP3 file will be available for download.

Convert online MP4 to MP3

Part 4. Convert MP4 to MP3 in iTunes Library

In addition to above-listed methods, iTunes library can also be used to convert MP4 files to MP3 format. The process of conversion is quick and simple and using this method, you do not require any external software, tool or online site. You can simply import the local MP4 files to your iTunes library and convert them to MP3 format.

Steps to convert MP4 to MP3 through iTunes library

Step 1: Import MP4 file to iTunes Library after launching. Next, you need to add the desired MP4 file to iTunes library and for this click File > Add File to Library and then browse for the desired MP4 file on Mac.

Step 2: Select MP4 file from the Music category that you wish to convert.

Step 3: For converting selected MP4 file to MP3, go to File >Convert > Create MP3 Version and your MP4 videos will be converted to MP3 free on Mac using iTunes.

convert MP4 to MP3 Mac using iTunes

Part 5. Comparison Table of the 4 MP4 to MP3 Converters

Listed above are 4 methods to convert MP4 to MP3 on Mac. You can pick up from the given methods depending upon your requirements. To make your task easier to select one of the best methods, a comparison table is given below.

Software /Program Name Support System- Windows/Mac Online MP4 to MP3 conversion Local MP4 to MP3 conversion Supported Input formats Supported Output formats Conversion Speed Pros Cons
Wondershare UniConverter Windows + Mac Yes Yes All popular audio and video formats All popular audio and video formats Fast
  • 1.Support batch conversion
  • 2. Online as well as local files can be converted
  • 3. Fast conversion speed
  • 4. Support device based conversion as well
  • 5. Allows setting additional parameters of converted files
  • 1. Needs software Installation
  • 2. Paid software
Online UniConverter Windows +Mac No Yes MP4, MP3, WMA, WAV, FLAC and other popular formats MP3, WAV, WMA, OGG Moderate
  • 1. Free Program
  • 2. Allows selecting output file quality
  • 3. No need of software installation
  • 1. Limited format support
  • 2. No batch processing
  • 3. Cannot convert online files
Online Video Converter Windows + Mac Yes Yes MP3, AAC, OGG, WMA, M4A, FLAC, WAV, MP4, AVI, MPG, MOV, WMV, MKV, M4V, WEBM, FLV, 3GP MP3, AAC, OGG, M4A, WMA, Flac, WAV, M4V, MOV, AVI, MPG, WMV, 3GP, and MP4 Moderate
  • 1. Free Program
  • 2. Compatible with all latest browsers
  • 3. No software installation and registration needed
  • 4. No restriction on number of conversion.
  • 1. Does not support batch processing
  • 2. Format limited as compared to paid software
iTunes Windows+ Mac No Yes MP4 MP3 Moderate
  • 1. No need for any third party installation
  • 2. Compatible with Windows and Mac
  • 3. Free to use
  • 1. Limited format support
  • 2. batch conversion with at most 2 files
  • 3. No additional features
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