Convert MP3 to M4A
MP3 audio → M4A audio: convert online for free. MP3 to M4A conversion runs right in your browser — your files never leave your device.
Drop files here or choose them
You can also paste files with Ctrl+V
Files never leave your device
About the formats
- MP3 audio
- The most widespread lossy audio format. Plays on almost any device.
- M4A audio
- AAC audio in an MP4 container. Default audio format for Apple devices and iTunes.
How to convert MP3 to M4A
- Choose a MP3 audio file or drag it onto the page.
- Check the settings and click Convert.
- Download the M4A audio file when it is ready.
Frequently asked questions
Is converting MP3 to M4A free?
Yes. Conversion is free, with no sign-up and no watermarks.
Are my MP3 files uploaded anywhere?
No. The conversion runs in your browser, so your files never leave your device.
Will the quality change when converting to M4A?
Quality depends on the target format and the settings you choose; lossy formats let you adjust the quality level.