MPEG-4 Part 14
The most widely supported video format, playing on nearly every phone, TV, browser and editor.
- Type
- video
- Best for
- sharing and everyday playback
No account · no upload · no watermark
Convert MP4 to M4A. Completely free.
Drop your MP4 and get an M4A back, right here in this tab. Your own computer does the work, so nothing gets uploaded, and there's no paid version.
MP4 to M4A converter
MPEG-4 Audio
An MPEG-4 audio file, usually AAC, as used by Apple devices.
- Type
- audio
- Best for
- Apple devices and good sound at small sizes
What to expect
Only the soundtrack is kept, so the picture is dropped and the M4A is far smaller than the MP4.
How to convert MP4 to M4A
- Drop your MP4 on this page, or choose it from your device.
- M4A is already selected. Adjust quality, size or trim if you want to, and each option shows the size it will produce.
- Press Convert, watch it work, then download the result.
Questions
Is this MP4 to M4A converter really free?
Yes, completely. Every tool and every format is free, and there's no paid version, account, watermark or daily limit.
Do my files get uploaded?
No. Your browser does the work on your own device, so your files stay with you. Closing the tab clears them from memory.
Can I convert several files at once?
Yes. Drop as many as you like, and the results can be downloaded together as a ZIP.
Does it work on a phone?
Yes, in a current mobile browser. Large files are limited by how much memory your device can spare.
What should I know about MP4 to M4A?
Only the soundtrack is kept, so the picture is dropped and the M4A is far smaller than the MP4.
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- Completely free
- Nothing uploaded
- No account
- No watermark