Convert MP3 to M4A
Free, fast MP3-to-M4A conversion.
Video and audio are processed with ffmpeg in your browser — large files are slow and use a lot of memory. Keep files under a few hundred MB for best results.
About the MP3 and M4A formats
MP3. MP3 is the universal lossy audio format, compatible with virtually every device.
M4A. M4A is an AAC-based audio container common in Apple's ecosystem.
Frequently asked questions
How do I convert MP3 to M4A?
Drop your MP3 files into the box above and click Convert. The M4A file is generated instantly and ready to download.
Will the quality stay the same?
M4A keeps full quality, so your converted file looks identical to the original.
Is MP3 to M4A conversion free?
Completely free, with no sign-up, watermarks or file-size paywalls.