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WorkinTool Free MP3 to M4A Converter Online | Convert MP3 to M4A for Free Online
Try WorkinTool free online MP3 to M4A converter to change MP3 to M4A (iTunes audio file) without losing quality in a flash. Expect four converted M4A files concurrently.


File Number Limit: 4 (at one time)
File Size Limit: 50 MB.
Select file or drop file here
Your files are secure
How to Convert MP3 to M4A for Free Online?
Step 1
Click on the red + icon to import your MP3 file(s).
Step 2
Press the Convert button to start your conversion.
Step 3
Hit Download to export your converted M4A file(s).
What is M4A?
MP3 or M4A, which one is better?
Features | MP3 | M4A | Conclusion |
Quality | MP3 adopts lossy compression algorithm. It may not share the same quality as M4A, but it doesn't mean it is bad in quality. | M4A is a lossless format (encoding algorithm) for the apple platform to share digital music, audiobook content, and podcasts. It is believed to be the successor to MP3. | M4A also sounds better than MP3 files. |
File Size | MP3 uses perceptual coding. So, basically, it will remove undetected information by ear | M4A is now encoded with advanced AAC audio coding and equipped with the best compression standards and ALAC (Apple Lossless Audio Codec) specifications. | The M4A file is much smaller compared to the MP3 of the same content |
Compatibility | MP3 is a universal audio file format. Therefore, it can be opened by almost every media player. | Much as M4A is developed by Apple Inc., it can now be playable on more than just Apple devices. You can also open M4A files in mainstream systems like Windows and Android and the majority of audio-playback programs as well as many in-car music playback systems. | MP3 boasts stronger compatibility. |
More Than an MP3 to M4A Converter
Key Features of WorkinTool Free Online MP3 to M4A Converter
Suitable for Everyone
A user-friendly interface is designed to fit for everyone to convert MP3 to M4A online. Whether you have converted audio formats before, it definitely will satisfy your needs.
Convert with High Quality
WorkinTool offers the best online MP3 to M4A conversion. You will get a lossless M4A file with the best audio quality after conversion. It works equally impressive as
WAV to MP3 converter.
Support Batch Conversion
WorkinTool allows you to change four MP3 files concurrently. Hence, you save the cumbersome process of turning MP3 into M4A one by one.
Totally Free to Use
WorkinTool MP3 to iTunes converter provides a free online service to convert MP3 to MPEG4 at zero cost. Meanwhile, no signup is required to start your conversion.
File Perfect Protection
There is nothing you need to worry about file security. All uploaded files will be automatically deleted within 24 hours to protect your data privacy and information security.
Work on Browser
Directly convert MP3 to M4A on the browser without the need to download and install when there is internet access. Hence, you can enjoy your MP3 conversion on all devices and platforms, including Windows, Mac, iPhone and Android.
Desktop Software VS Online Tool
Desktop Software
Free Download For Win 11/10/8/7
User-friendly and easy to use
No need to upload files to the Internet
Unlimited conversions (no file size/number limit)
More audio formats supported
Custom audio/video settings
Faster conversion speed
Better output quality
No ads involved
No internet access required
Online Tool
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Total web-based operations without the need to download
No update hassle and system requirements to worry about
All imported files to be removed within 24 hours
Batch conversion supported
Four files convertible concurrently
File size limit--20 MB
No custom audio/video settings
MP3 to M4A Converter
Start Your Free Trial Now!
Free download our powerful desktop audio converter and explore all the magic features and tools to enjoy the best conversion/editing service. Experience our FREE trial plan to get more valuable specific functions and make your later jobs easier.
Free Download For Win 11/10/8/7