How to Convert M4A to MP3 Online?

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How to Convert M4A to MP3 Online?

20 December 2019 Amanda J. Brook Senior Product Manager

Last update by James Smith at 8 November 2026

Summary
Many Apple users feel familiar with the file extension of M4A. It is the common format in Apple devices. What should we do if M4A needs converting to MP3? In this essay, we will share some online services where you can convert M4A to MP3.

Content

Part 1: About M4A and MP3

Part 2: Why M4A Should be Converted to MP3?

Part 3: How to Convert M4A to MP3 Online?

1. Online convert free.com
2. Convertio.co
3. Renee Audio Tools

Part 4: Summary

Part 1: About M4A and MP3

M4A is the file extension of the standard MPEG-4, commonly known as MP4. Apple Inc. widely uses this format, making it popular. M4A is not a coding format but a container format. It can contain both lossy and lossless audios. The M4A file can be read in Apple devices perfectly while it easily goes wrong in the other devices.

MP3 is the hot audio format for lossy compression. The file size is small, which can greatly save the storage space. It is convenient for us to save a great number of audio files. Besides, MP3 is strongly compatible with almost all devices. You can read and play MP3 files freely.

Part 2: Why M4A Should be Converted to MP3?

As we mentioned above, M4A is the format container for lossless and lossy audio files. It can be perfectly read by the Apple devices. But if it is played by the other devices, the playback effect will be degraded.

At this situation, we can consider to convert M4A to MP3. That can not only reduce the file size but also expand the available range of the audio file.

Part 3: How to Convert M4A to MP3 Online?

If you want to convert M4A to MP3 online, you try the following converters.

1. Online convert free.com

It is a free converter that specifically converts M4A to the other formats. The interface is very clear and the operation is simple.

use onlineconvertfree to convert m4a to mp3

Visit the website (link: https://onlineconvertfree.com/convert-format/m4a-to-mp3/); click [CHOOSE FILE]; upload the target M4A file; click [CONVERT] to convert M4A to MP3 online; download the converted file.

Limit: It doesn’t support to further edit the audio files.

Due to the lossy compression of MP3, the audio quality will be degraded. If you want to improve the playback effect, we suggest you to use Renee Audio Tools, the functions of which are multiple and useful.

Professional Audio Editor – Renee Audio Tools

CutterArbitrarily cut and clip audios in MP3, ACC, FLAC and APE formats. Many effects, such as fade in/out, speed adjustment, music mixing and volume adjustment, are available.

ConverterConvert music files between all audio formats, including MP3, M4A, ACC, OGG, AAC, FLAC and the others. It can also convert the video format into MP3.

RecorderRecord computer sounds from streaming media and microphone at the same time and output into multiple audio formats.

JoinerMerge music files into one regardless the original file formats. The output format and quality can be set, too.

CD BurnerBurn multiple music files into CD, DVD and also make APE or BIN image file.

Compatible with: Windows 11 / 10 / 8.1 / 8 / 7 / Vista / XP (32bit/64bit)

CutterArbitrarily cut and clip audios in diffrent formats. Many effects, such as fade in/out, speed adjustment, music mixing, are available.

ConverterConvert music files between all audio formats, including MP3, M4A, ACC, OGG, AAC, FLAC and the others. It can also convert the video format into MP3.

RecorderRecord computer sounds from streaming media and microphone at the same time and output into multiple audio formats.

Full Version Download

32321 users has downloaded and enjoyed it!

2. Convertio.co

Convertio is the online converter that can convert audio formats as well as videos.

use convertio to convert m4a to mp3 online

Visit the website (link: https://convertio.co/m4a-mp3//); upload the target M4A file; select MP3 as the output format; click [Convert] to convert M4A to MP3 online; download the converted file.

Limit: If you need to further edit the file online, the operation gets stuck.

We suggest you use Renee Audio Tools to edit the audio files. The smooth and simple operation can help you improve the playback effect better.

3. Renee Audio Tools

Although the above methods look convenient, they are not overall and utility enough. Next, we will show you how to use Renee Audio Tools to convert formats easily.

Professional Audio Editor – Renee Audio Tools

CutterArbitrarily cut and clip audios in MP3, ACC, FLAC and APE formats. Many effects, such as fade in/out, speed adjustment, music mixing and volume adjustment, are available.

ConverterConvert music files between all audio formats, including MP3, M4A, ACC, OGG, AAC, FLAC and the others. It can also convert the video format into MP3.

RecorderRecord computer sounds from streaming media and microphone at the same time and output into multiple audio formats.

JoinerMerge music files into one regardless the original file formats. The output format and quality can be set, too.

CD BurnerBurn multiple music files into CD, DVD and also make APE or BIN image file.

Compatible with: Windows 11 / 10 / 8.1 / 8 / 7 / Vista / XP (32bit/64bit)

CutterArbitrarily cut and clip audios in diffrent formats. Many effects, such as fade in/out, speed adjustment, music mixing, are available.

ConverterConvert music files between all audio formats, including MP3, M4A, ACC, OGG, AAC, FLAC and the others. It can also convert the video format into MP3.

RecorderRecord computer sounds from streaming media and microphone at the same time and output into multiple audio formats.

Full Version Download

32321 users has downloaded and enjoyed it!

How to convert formats:

a. Open Renee Audio Tools and click [Converter].

select converter function in renee audio tools

b. Click [Add Files] to select the target file.

c. Select MP3 as the output format and then click [Start] to convert M4A to MP3. As the conversion is over, click [OK] to exit the progress.

use renee audio converter to convert m4a to mp3

How to cut the audio file:

a. Open the software and click [Cutter].

click cutter to cut music in renee audio tools

b. Click [Add Files] to select the target audio file and then go to [Cut].

click to cut m4a files in renee audio cutter

c. Move the sliders to select the wanted part. Add the effects into the part. Then, click [OK] to cut.

d. Back to the main interface and select the output format. Finally, click [Start] to generate the new file.

convert m4a to mp3 with Rnee audio cutter

How to combine audio files:

1. Open the software and click [Joiner].

select the function joiner in renee audio tools

2. Click [Add Files] to select the target audio files.

select the target audio files to combine in renee audio joiner

3. Go to [Cut] to cut the audio files one by one if necessary. Then, check [Merge all files into one] and select the output format. Finally, click [Start] to combine them together. As the process is over, click [OK] to exit.

combine m4a files and output as mp3 in renee audio joiner

Part 4: Summary

Both of M4A and MP3 have their own merits. We can convert audio formats based on our own needs. Besides, you can use Renee Audio Tools to edit the audio files. The inside functions can fulfill all needs which you meet with when editing audios!