Convert M4A to AAC
Free, fast M4A-to-AAC 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 M4A and AAC formats
M4A. M4A is an AAC-based audio container common in Apple's ecosystem.
AAC. AAC is a modern lossy codec offering better quality than MP3 at similar sizes.
Frequently asked questions
How do I convert M4A to AAC?
Drop your M4A files into the box above and click Convert. The AAC file is generated instantly and ready to download.
Will the quality stay the same?
AAC keeps full quality, so your converted file looks identical to the original.
Is M4A to AAC conversion free?
Completely free, with no sign-up, watermarks or file-size paywalls.