1
Upload MP3Choose the MP3 file you want to convert.
2
Review File
3
Convert to M4A
4
Download M4A
audio Converter• 100% Client-Side

MP3 to M4A Converter

Package audio into Apple M4A container with AAC encoding.

mp3→m4a

Drop MP3 file(s) here, or browse

Supports single or multiple batch conversion

Private by Design

Your files are processed directly on your device using WebAssembly, HTML5 Canvas, and client-side runtimes.

No server upload No cloud copy 100% local processing
How To Convert

How to Convert MP3 to M4A

Step 1

Upload MP3

Choose the MP3 file you want to convert.

Step 2

Review File

Check the file information and conversion options.

Step 3

Convert to M4A

Start the local MP3 to M4A conversion.

Step 4

Download M4A

Download your converted M4A file.

Frequently Asked Questions

Questions about MP3 to M4A Conversion

Is M4A compatible with iTunes and iPhone?

Yes, M4A is the native format for Apple devices.