M4A
M4A Format
MPEG-4 Audio
M4A is Apple's MPEG-4 audio container, typically encoding AAC audio. Files are smaller than MP3 at similar quality levels.
| Property | Value |
|---|---|
| File Extension | .m4a |
| MIME Type | audio/mp4 |
| Category | audio |
| Transparency | ✗ Not supported |
| Animation | ✗ Not supported |
| Lossy Compression | ✓ Yes |
| Lossless Compression | ✗ No |
| Vector-based | ✗ No |
| Browser Support | Safari, Chrome, Edge (limited Firefox) |
| Best For | iTunes library, Apple devices, podcasts |