Conversion
Convert MP3 M4A
Free online MP3 audio to M4A audio converter. Lossy (size-optimized) quality, processed server-side, no signup required.
Convert MP3 to M4A now ffmpeg Free tier Lossy (size-optimized) ~0.2s per MB
How to convert MP3 to M4A
- 1
Open the converter
Click the button above — the workspace opens with MP3 pre-selected as your source and M4A as your target.
- 2
Drop your MP3 audio
Drag and drop, or click to browse. Your file is uploaded over HTTPS and processed on our private servers — never shared with third parties.
- 3
Download the M4A audio
The result downloads automatically when conversion finishes. Powered by ffmpeg — the same engine used by professional studios.