How to convert MP4 to M4A
- Add your .MP4 file - drop it in the box above or click to browse.
- Convert it to .M4A in a few seconds.
- Download your new .M4A file.
What to expect
- M4A is the audio-only side of MP4, so an AAC track usually copies over losslessly.
- The video, subtitles, and chapters are discarded.
- Playback is broadly supported across desktop and mobile platforms.
Frequently asked questions
Is MP4 to M4A lossless?
MP4 audio is usually AAC and M4A is the audio-only MP4 container, so the audio stream can typically be copied unchanged, making the conversion lossless. Nothing is re-encoded when the stream is simply moved into the M4A wrapper.
Why convert an MP4 to M4A?
To keep just the audio in a small, standard audio file while dropping the video. M4A is ideal for music, audiobooks, and podcasts.
Where does an M4A file play?
M4A plays natively on Windows 11, macOS, iPhone, and Android with no extra software, and in VLC everywhere. It is widely supported because it shares MP4's ecosystem.
What is removed from the original?
The video track, subtitles, and chapters are dropped, leaving audio only. For very old devices that need MP3, a further conversion is required.
Programs that convert MP4: MediaMonkey · Adobe Premiere Pro · Aimersoft DRM Media Converter for Windows · Blaze Media Pro · Freemake Video Converter · iPad Video Converter Factory Pro · SUPER · Helium Music Manager