This Mac MP4 to MP3 converter will automatically simplify the selection of output settings. Step 3: Start to rip MP4 to MP3 Mac. After you finish choosing the settings you want, just hit the 'Convert' button to start.mp4 to.mp3 sound file conversion on Mac and wait until it is done processing. MP4 is an extension defined by MPEG-4 video standard and AAC audio standard. It is a container that supports all kinds of media such as video, audio, subtitles, 2D and 3D graphics. It is possible to open MP4 file with almost any player on Windows but on Mac you should use a plug-in or just convert the file to another format. How to Convert MP4 to MP3. Converting MP4 to MP3 is very easy. All you need is Movavi Video Converter for PC or Mac with support for almost all known media formats and many other benefits. Take any music video and easily turn it into an audio track. To learn how to do this the right way, take a look at our short step-by-step instructions.

• Convert Mp3 To Mp4 Audio
• Convert Mp4 To Mp3 Online

by Brian Fisher • Aug 06,2020 • Proven solutions

If you are looking for a free MP3 to MP4 converter and would like to know something about the top free online converters. The following few lines could be quite useful. The internet is flooded with dozens of such converters, and therefore choosing the right one could often be a tough task. However, based on various parameters, ease of use and other pros and cons the next few lines will be all about the 13 best converters to convert MP3 to MP4 free online and work on Mac/PC easily.

Top 13 Best and Free MP3 to MP4 Converters

#1. UniConverter (Mac and Windows)

UniConverter is designed to help convert videos/audios from various formats to others. With it, you can easily convert MP3 to MP4 on macOS 10.15 or earlier (including Catalina, Mojave, High Sierra, Sierra, El Capitan, Yosemite, Mavericks, Mountain Lion and Lion), Windows 10/8/7/XP/Vista, without any quality loss. By the way, if you are a Windows user, please go to get the Windows version.

Convert Mp3 To Mp4 Audio

Get the Best MP3 to MP4 Converter - UniConverter

• It offers high conversion speed and zero quality loss.
• Convert MP3 to MP4 video format or any other video or audio format with ease.
• Customize and edit your audio or video before conversion.
• Download online video/audio files from YouTube, Facebook, Vimeo, VEVO, Hulu and other more than 1,000 popular sites.
• It is fully compatible with Windows 10/8/7/XP/Vista and macOS 10.7 or later.

How to Use the Best MP3 to MP4 Converter for Mac - 3 Easy Steps!

Before getting started, you can watch the video below to get a quick look over how to convert MP3 to MP4 format on Mac.

Step 1. Import MP3 file to the MP3 to MP4 converter

To add an MP3 file to the program, you can go to the main menu and then choose 'Add Files'. Alternatively, you can directly drag and drop your MP3 file to the main interface.

Step 2. Select 'MP4' as the output format

To convert MP3 to MP4, you should select 'MP4' as the output format in this step. By the way, you can change the encoding settings for your MP4 file if you want.

Step 3. Start MP3 to MP4 conversion

Select the output location for your MP4 file and then click the 'Convert' button to save a converted MP4 file on PC/Mac.

Why not download the No.1 MP3 to MP4 converter software and try to convert MP3 to MP4 or other up to 150 formats on your own!

#2. Online Audio Converter & Video Converter

Well, if you are looking for MP3 to MP4 converter online, you can't miss this! Online Audio Converter & Video Converter is another amazing tool that can help you convert your MP3 files into MP4. This free online service not only converts MP3 into MP4 but into more than 1000 other formats. It’s a fast speed converter that produces the output file in a matter of a few minutes. You simply have to follow the following steps:
Step 1. Select the file from your system.
Step 2. After that select the file type you want to convert to from the drop-down menu (Video, video HD, or video SD).
Step 3. Lastly, select the format of the output file (MP4, MP4 HD or MP4 SD).

#3. Zamzar

Zamzar is a free online conversion tool that allows you to convert your favorite files to your required format without requiring you to download any software, like MP3 to MP4 online. Zamzar works with multiple operating systems like Linux, Windows, Mac, etc. You can choose a file from your system or by entering a URL from a website. So how to convert MP3 to MP4? Follow the steps below!
Step 1. Feed your MP3 to the converter. You may simply drag and drop the file on the tool.
Step 2. Now choose MP4 as the format to convert to.
Step 3. Enter your email ID to receive the output file and hit 'Convert'.

#4. Freemake Video Converter

Freemake Video Converter is a versatile MP3 to MP4 converter free download. You can convert files to MP3, MP4, AVI, WMV, DVD, and for iPhone and Android devices. However, this is not an online converter. You need to download it. Once you download the converter, follow these steps to convert your files:
Step 1. Drag and drop your files or import your videos, audios, photos, and URLs through respective buttons.
Step 2. After adding your files, Choose MP4 from the various available formats.
Step 3. Click on “Convert” to save MP3 to MP4.

#5. Online Audio Converter

The company offers a free online conversion facility which enables customers to convert mp3 to mp4 quite easily. Thousands of customers have been using it quite regularly and have been converting files of around 100 MB for free. Anything bigger than 100 MB will have to be registered and paid for.

Advantages:
It offers the best mp3 to mp4 conversions and additionally, the service provider also offers conversion into many other formats too.
The speed of conversion is quite good.
Allows conversion of multiple files at a time.
Disadvantages:
Though it has extraction of sound from video feature when converting it to mp4 from mp3 often it does not work well.

#6. Online Convert

Convert Mp4 To Mp3 Online

It has been around for many years now and has been faithfully serving the interests of thousands of customers. The free option is available only for file sizes that are within some prescribed limit. Further, the trial version is available only for a certain period. Here are some obvious advantages and some shortcomings based on customers' experiences.

Advantages:
Speed of conversion is something that makes this converter so very popular. The file conversion is quite rapid.
It can help in multiple file conversions because of the speed of conversion.
Quality of converted mp3 files is very good to say the least.
It offers a number of output formats including the much in demand mp4.
The company also offers an email support facility in case conversion is not happening properly.
Disadvantages:
The only disadvantage perhaps is the limit of file size when customers opt for free online conversion. Otherwise, there is nothing much to complain for all those who are looking for a vanilla conversion.

#7. Switch

This is considered as one of the most sought after mp3 to mp4 converter free software that comes with a trial version. It is very popular because of various reasons. Apart from being easily able to convert mp3 to mp4, there are some reasons why it is considered so very popular. Here are a few advantages and disadvantages of this converter.

Advantages:
It has 17 output formats, which perhaps is much more than most of the converters available in the market for free.
It comes with many customization options.
Very user-friendly options.
Disadvantages:
Unlike some converters, it does not have high-speed conversion especially in the free version and hence conversion time could be a big issue.

#8. DBpoweramp

Being one of the free MP3 to MP4 converter, DBpoweramp is also considered to be a highly dependable and trustworthy converter that is also available for free conversion online, but strictly on a trial basis. The trial is for 21 days. It has 20 million users worldwide and effortlessly converts mp3 to mp4 formats even in the trial versions.

Advantages:
It allows the user to choose the exact bitrate as far as the output file is concerned. This feature is perhaps available only in this particular converter.
It also comes with DSP effects which are very useful as far as warble, fade, thin, and Karaoke functions are concerned.
Disadvantages:
One of the biggest disadvantages is that it contains only 7 output formats compared to others which have double this number.

#9. Tunebite

Though Tunebite is mostly known by customers as an mp3 to mp4 converter free service provider, it has much more to offer. But as far as the task of conversion of mp3 to mp4 is concerned, there is no doubt that it is one of the best converters available in the market. It does come with a trial version where all the features may not be available.

Advantages:
Simply amazing when it comes to conversion of mp3 to mp4 formats. It combines speed with accuracy.
Has won distinction and special mention when it comes to the top ten reviews by critics.
High-speed dubbing is possible.
Disadvantages:
Though there are no specific disadvantages some users have complained of streaming of audio or video at times getting stuck obviously for some mysterious reasons.

#10. Avs Audio Converter

This MP3 to MP4 converter app supports ten output formats which is quite decent and covers almost all formats that customers would generally look for at least in the trial version. It is feature-rich and very customer friendly when it comes to daily use.

Advantages:
It comes with an Audio Tag Editor which helps in customization of output files. However, this is available only in the full version.
It also allows the extraction of audio from a video which again is something that users may like.
Disadvantages:
Though it comes with an audio editor, it is not very useful. Though many options are available, most of them are highly complicated and not suitable for day to day practical applications.

#11. Winamp

Winamp has been around for many years and it practically needs no introduction. Though it started as a media player service provider, of late they also have become a reliable and trustworthy converter of various types of audio and video files including conversion of mp3 to mp4 files. There is a free test version available, which helps you change MP3 to MP4 quickly.

Advantages:
The converter including the trial version helps in easy conversion of files from mp3 to mp4 format quite easily. It has the option of choosing the output folder and also the file name.
The output speed is quite good and when it comes to conversion of mp3 to mp4 the speeds are quite good.
Disadvantages:
However, the option of changing bitrates, frequency, and other such attributes are not available for all formats.
The speed of conversion from mp3 to some other formats has much to be desired and the whole process tends to become slow or even hang in some situations.

#12. Modiac

Modiac is a name that has been around for many years and over the years it has helped thousands of customers to choose the right MP3 to MP4 converter online. It is easily accessible online. However, as is the case with most of the converters, the file size is limited to 100MB for free conversion.

Advantages:
It is a free conversion website and therefore there is no limit to the number of files that one can convert, as long as the file size limitation is adhered to.
It allows for the customization of audio parameters when moving from mp3 to mp4.
Disadvantages:
Many customers have often complained about the speed of conversion and often the converted files do not get downloaded onto the download folder, though the task seemingly has been completed.

#13. MP3 Toolbox

This MP3 to MP4 audio converter offers the simplest and the most user-friendly conversion facility which helps you to convert your mp3 to mp4 files in a jiffy so to say. There is no need for installing any software because the conversion happens online. The file size regulations have to be followed when going in for free online conversions. However, bigger files can also be downloaded provided you buy the paid version.

Advantages:
The file gets downloaded to your download folder. All you have to do is to click on the file and use it. You can also use it for sharing on Youtube or your website or blogs.
The quality of the MP4 output file is extremely good to say the least.
Speedy conversion is a big advantage.
Disadvantages:
No big disadvantages for those who are looking for simple mp3 to mp4 conversions and that too for free. File size limitations do however exist.

FAST AND RELIABLE MP3 CONVERSION

To MP3 Converter encodes more than 200 audio and video formats to MP3 on Mac OS X effectively and quickly. This little mac app converts literally anything to MP3, including WAV to MP3, MP4 to MP3, M4A to MP3, and much more!

Advanced features ensure quality and quick conversions of audio and video files, such as movies, video tutorials, music, voice, speech and memo records, and others, to MP3 format:

• CUE splitter and integration with iTunes and Music >>

Fast and reliable conversion. Batches of audio files and media folders to MP3 in one click!

ACCEPTED FORMATS

The application converts most of the video and audio files to MP3 audio format, like MP4, WMA, M4A, FLAC, AMR, CDA, OGG, AVI, WMV, AIFF, FLV, WAV, and others. In addition to the encoding of local media files, the application can download and convert to MP3 online video and audio content.

Read More: Input Formats Supported by Audio Converters for Mac OS >>
Read More: How to convert MP4 to MP3? >>
Read More: How to convert M4A to MP3? >>
Read More: How to convert WAV to MP3? >>

'... a quick and efficient way to convert any media file
within your Mac to MP3 format.'
- macdownload.informer.com

IMPROVEMENT OF SOUND

You will find enjoyment in the upper class of converted sound thanks to the built-in Volume Adjuster and Audio Effects. The Volume Adjuster amplifies the volume of too quiet audio or its parts like speech and voices. Audio Effects include Fade-In and Fade-Out, Trimming of Silence at the start and end of tracks. Enabling Fade-In and Fade-Out audio effects ensure the flawless transition between the songs.

Read More: Audio Effects and Volume Adjusting on Mac OS >>
Read More: Automatic Volume Control >>
Read More: Peak and Loudness (EBU R128) Normalization on Mac >>
Read More: Trimming Silence and Noise Automatically >>
Read More: Fade-In & Fade-Out Audio Effects >>

Automated workflow. Applying Loudness Normalization, Peak Normalization,
Trimming, Fade in Fade Out to the audio when converting to MP3

TRUE BATCH CONVERSION

To MP3 Converter can encode an unlimited number of media files and folders of anyvideo or audio format just in one session. Just add your video or audio files for the conversion. The application will keep folders' structure, original tags, and file names for all output MP3s. You will be provided with detailed progress of every file's conversion and notified when the encoding of all files is finished.

'... a simple yet powerful OS X application that can help you batch convert
extensive audio files collections to the popular MP3 format.'

- mac.softpedia.com

EXTRACT MULTIPLE AUDIO TRACKS FROM VIDEO

This little macOS app also can work as a Video to MP3 converter. It separates and transforms ALL audio streams from video files (including VOB video files, in native version) to MP3 format. MP4, WMV, AVI, or MKV video files might contain a few audio tracks. These tracks can carry the audio of different languages or audio codecs. The majority of MP3 encoders capture only a single audio track defined as primary by the movies’ creators. Even so, if you would like to extract all audio tracks from a video, you have to use a special application. This Video to MP3 app is an ideal tool for such an occasion – it rips every audio stream from a video. Thus, you only have to choose – which audio stream you prefer since To MP3 Converter will process them all.

Just drop your media files to start video to mp3 conversion!

CONVERSION IN 2 CLICKS

To convert media files to .mp3 audio format, simply select a destination folder and drop your files or folders to the app’s icon or window. Converter advises when processing is completed and if there are any failures. Conversion is performed with full utilization of CPU cores, and also it is “crash-free” due to the use of external processes.

Custom destination folder, source destination folder, or device

SETTINGS CONTROL

By default, the converter applies automatic settings for output MP3 files. Automatic bit rate, sample frequency, and channels ensure the best possible MP3 sound quality and save hard drive space by avoiding useless upsampling.

You can also adjust MP3 output characteristics in the Preferences:

- Constant Bit Rate, from the range between 8 and 320 kbit/s.

- Variable Bit Rate, can be settled between 8 and 320 kbit/s.

- Sample Rate can be set between 8 to 48 kHz.

- Channel mode between Mono, Stereo, Dual, or Joint.

- Cyclic Redundancy Checks (CRC), which is useful for error checking and protection of MP3 audio.

Custom MP3 Settings - Preferences / Format

TAGGING

The converter app supports full tags transfer from source files to output MP3s. You also can enjoy better-organized music thanks to loading missing ID3 tags from online databases or local folders and file names.

Loading ID3v2 Tags from Source Audio Files, Network or Path Components

**NOTE: DRM protected audio files cannot be converted because of the App Store policies.