Convert MP4 to M4A
Free, fast and secure — convert MP4 to M4A right in your browser.
MP4
M4A
Pull the audio out of your MP4 as M4A
Converting MP4 to M4A extracts a clean audio track from your video, giving you a compact M4A (AAC) audio you can play, share or add to a playlist without the video.
How to convert MP4 to M4A
- 1 Drop your MP4 file into the converter above.
- 2 It is converted to M4A automatically — no settings to fiddle with.
- 3 Download your new M4A file instantly.
MP4 vs M4A
| Feature | MP4 | M4A |
|---|---|---|
| Compression | Lossy | Lossy |
| Transparency | No | No |
| Animation | Yes | No |
| MIME type | video/mp4 | audio/mp4 |
| Best for | Sharing, streaming and uploading video anywhere with maximum compatibility. | High-quality music and voice on Apple devices and modern apps. |
About the formats
MP4
MP4 video
MP4 (H.264) is the universal video container. It balances quality and file size beautifully and plays on virtually every device, browser and platform.
Strengths
- Plays almost everywhere
- Great quality-to-size ratio
- Ideal for streaming and social media
Limitations
- Lossy compression
- Less flexible than MKV for multiple tracks
- Older codecs can look dated
Best for: Sharing, streaming and uploading video anywhere with maximum compatibility.
M4A
M4A (AAC) audio
M4A holds AAC audio, the default for Apple Music and iTunes. It generally sounds better than MP3 at the same bitrate and is well supported on modern devices.
Strengths
- Better quality than MP3 at equal size
- Default on Apple platforms
- Efficient, modern codec
Limitations
- Slightly less universal than MP3
- Lossy compression
- Occasional legacy-player issues
Best for: High-quality music and voice on Apple devices and modern apps.
Frequently asked questions
Upload your MP4 file above and it is converted to M4A automatically. When it is ready, download your new M4A (AAC) audio — the whole thing takes just a few seconds in your browser.
Converting MP4 to M4A extracts a clean audio track from your video, giving you a compact M4A (AAC) audio you can play, share or add to a playlist without the video.
Converting between compressed formats can introduce minor changes, but our converter keeps your M4A looking as close to the original as possible.
Yes. The converter is free to use, with no watermark and no sign-up required.
Your files are processed securely and are never shared with anyone.