5 Ways to Convert MP3 to M4R on Mac

by Christine Smith • Jul 26,2019 • Proven solutions

“Hi all I have just purchased a small MP3 file to use as a ringtone, but, to be able to use it on my iPhone I need to convert it to an M4R file”

If you are an iPhone user, then you too must have encountered a similar problem when you intended to convert MP3 file to iPhone ringtone but clueless about the process. Now no more worries, we will help you with the best and the quickest way to convert MP3 to M4R, you are just on the right page.

Part 1. Why People Convert MP3 to M4R

MP3, without any debate, is the most commonly-used audio file format that being small in size, easy to transfer, share and store. Moreover, it supports playback on almost all types of devices as the majority of the audio files downloaded from the internet are in .mp3 format.

M4R, on the other hand, is an iPhone ringtone file format that is basically a renamed AAC file (.m4a). iPhone only supports M4R as the ringtone format and thus if you want your favorite song or a piece of music to be used as customized iPhone ringtone, MP3 to M4R conversion is a must. You can either use the ringtones that come with the device or purchase more from iTunes store. The other alternative to having customized tones is by converting MP3 files to M4R (ringtone) format.

The following parts will discuss 3 workable ways on how to convert MP3 to M4R on Mac.

Part 2. Lossless MP3 to M4R Conversion with Wondershare UniConverter (originally Wondershare Video Converter Ultimate)

If you are not very fond of using iTunes, then another excellent way to create a customised ringtone is utilizing professional third-party app like Wondershare UniConverter (originally Wondershare Video Converter Ultimate). This versatile program not only allows you to convert MP3 to M4R format but supports a wide range of other video solutions. The software supports more than 1000 formats satisfying all your conversion needs. Additional features supported by Wondershare UniConverter (originally Wondershare Video Converter Ultimate) are as follows.

Wondershare UniConverter (originally Wondershare Video Converter Ultimate)

Your Complete Video Toolbox

video converter ultimate
  • Convert MP3 to 1000+ formats, including M4R, FLAC, MOV, MP4, etc.
  • Batch converting multiple video/audio files at a time
  • Download or record videos from 10000+ video sharing sites
  • Edit, enhance & personalize your videos file via cropping, trimming, adding subtitles and more
  • Facilitate transferring files to USB flash drive, hard disk, and other devices
  • Burn video to playable DVD with attractive free DVD template
  • Versatile toolbox combines fix video metadata, GIF maker, cast video to TV, VR converter and screen recorder
  • Stream your videos from Windows or Mac to other devices, including Chromecast, Roku, Apple TV, Xbox 360 or PS3
  • Supported OS: Windows 10/8/7/XP/Vista, Mac OS 10.15 (Catalina), 10.14, 10.13, 10.12, 10.11, 10.10, 10.9, 10.8, 10.7, 10.6
Security Verified, 5,942,222 people have downloaded it

How to Convert MP3 to M4R Using Wondershare UniConverter for Mac (originally Wondershare Video Converter Ultimate for Mac)

Step 1 Add MP3 Files

Download, install and launch Wondershare UniConverter (originally Wondershare Video Converter Ultimate) Mac. On primary interface under Convert tab, click add files to browse and add MP3 files on Mac.

convert mp3 to m4r mac

Step 2 Select M4R as Output Format

Once MP3 file is added, click drop down menu next to Convert all tasks to: and select M4R format and its quality from the Audio tab.

convert mp3 to m4r mac

Step 3 Convert MP3 to M4R

Click Convert All to move ahead with the conversion process.

convert mp3 to m4r mac

Once the MP3 file is converted, you can check it and manage it through Converted tab.

convert mp3 to m4r mac

So go for MP3 to M4R converter free download full version of the software and enjoy super fast conversion with host of additional functions.

Part 3. How to Convert MP3 to M4R in iTunes

Talk about iPhone, Mac or any other Apple device, iTunes is the center of managing all media-related activities. So when it comes to creating M4R files using MP3, iTunes is the most obvious choice for the users. Using iTunes for creating customized ringtones is a good option for users who are looking for a free and quick option. Below are the detailed steps for your guidance.

Step 1. Open the latest iTunes version on your Mac system. You can either use the existing MP3 files in iTunes library or add new ones from the system by clicking File > Add to library option.

mp3 to m4r in itunes

Step 2. Select desired MP3 file, right click and hit Song Info option.

mp3 to m4r in itunes

You'll get a pop-up window, click Options tab and select Start/Stop time of the song part for which you wish to create a ringtone and click OK to apply the settings.

mp3 to m4r in itunes

Note: The maximum length of a ringtone is 30 seconds.

Step 3. Select the audio file and then select File > Convert > Create AAC Version.

convert mp3 with itunes

Step 4. Select the AAC version of the file, right click and select Show in Finder option that will take you to its location on Mac.

convert mp3 with itunes

Manually change the file format from .m4a to .m4r.

convert mp3 with itunes

Click Use .m4r to proceed, and the iPhone ringtone will be successfully created that you can sync with your iPhone.

sync .m4r to iphone ringtone

Part 4. Top 3 Free MP3 to M4R Converters to Convert MP3 to M4R Online

Using professional software for converting MP3 to M4R will pinch on your pockets as these programs come with additional functions. So if you are looking for basic conversion without any additional needs, free online programs will also do the justice to your needs. There is a host of online programs that allow converting MP3 to M4R in a simple and quick manner. Read below to know about the 3 widely-used MP3 to M4R converter online.

1. Convertfiles

Convertfiles is one of the popularly used free online tools that allows converting MP3 file to M4R in just a few steps. The program supports an array of audio, video, document, and other file types for conversion purpose. The MP3 to M4R converter also allows adding the download link of the MP3 file, in addition to the local files. Once converted, the file can be either downloaded from the program interface or its download link on email can also be requested.

free mp3 to m4r converter

  • Open Convertfiles on your Mac and click Choose a local file to browse and add the MP3 file from Mac. Alternatively, the MP3 file can also be downloaded using its link.
  • Select Apple iPhone Ringtone File (.M4R) from the drop-down menu at Output format tab.
  • Click Convert to start the conversion process. When completes, you can download the converted files to your Mac.

2. Audioconverto

This is another name in the list of top 3 free online tools for converting MP3 to M4R file. This MP3 to M4R converter free online tool allows converting an array of audio files to common formats like MP4, WAV, AC3, OGG, WMA, M4R, M4A, AAC, and FLAC. Maximum of up to 100Mb file can be uploaded to the program for conversion.

free mp3 to m4r converter

  • Enter Audioconverto site and click Browse to add MP3 files from system.
  • Select Convert to M4R option from drop-down menu.
  • Click Convert File to initiate the process.
  • Once converted, the M4R file can be downloaded on Mac and used as iPhone ringtone.

3. Zamzar

Zamzar is a widely used free online program that supports an array of file types for conversion including video, audio, document, image, and others. More than 1200 formats are supported by the program and the link for downloaded file is sent to the desired email address. The tool has a simple to use interface where MP3 files can be added directly, through URL or by simply dragging and dropping. Thus it works as a decent MP3 to M4R ringtone converter online.

free mp3 to m4r converter

  • Click Choose Files to browse and add MP3 files.
  • Select M4R as the output format from the available music formats.
  • Enter email address where you want to get the download link of the converted file.
  • Hit Convert to start the conversion process.

Part 5. Comparison of Above Mentioned Ways to Convert MP3 to M4R

Above listed are 5 methods of converting MP3 to M4R format. You can pick up the best suited one depending upon your needs. To help you select the apt solution, a comparison table is drafted.

Wondershare UniConverter (originally Wondershare Video Converter Ultimate) iTunes Convertfiles Audioconverto Zamzar
Free or Paid Paid software with free trial version Free Free Free Free
Platform/OS Windows/Mac Windows/Mac Windows/Mac Windows/Mac Windows/Mac
Supported Input formats Almost all possible formats limited supported formats All popular formats Popular formats All popular formats
Supported Output formats More than 1000 popular formats limited supported formats Popularly used formats MP3, MP4, WAV, OGG, AC3, AAC, WMA, M4A, M4R, FLAC
All popular formats
Input file size limitation No limitation Only allows 30 seconds of file to be used as ringtrone 250MB 100MB No limitation
Video/Audio Download Yes, from more than 10,000 sites No No No No
Editing features Yes, cropping, trimming, adding subtitles, and others No No No No
Batch processing of multiple files at a time Yes No No No No
Transfer Media Files Yes Only allows syncing between Apple devices No No No

Considering the table above, it can be concluded that Wondershare UniConverter (originally Wondershare Video Converter Ultimate) is definitely the best solution for all your conversion as well as other needs including MP3 to M4R.

Christine Smith

chief Editor

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