Convert MP4 to M4A
Free, fast MP4-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 MP4 and M4A formats
MP4. MP4 is the most widely-supported video container, ideal for sharing and streaming.
M4A. M4A is an AAC-based audio container common in Apple's ecosystem.
Frequently asked questions
How do I convert MP4 to M4A?
Drop your MP4 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 MP4 to M4A conversion free?
Completely free, with no sign-up, watermarks or file-size paywalls.