---
title: mp4
framework: avfoundation
role: symbol
role_heading: Type Property
path: avfoundation/avfiletype/mp4
---

# mp4

The UTI for the MPEG-4 file format.

## Declaration

```swift
static let mp4: AVFileType
```

## Discussion

Discussion The value of this UTI is public.mpeg-4. Files of this type have an .mp4 extension.

## See Also

### File types

- [AHAP](avfoundation/avfiletype/ahap.md)
- [SCC](avfoundation/avfiletype/scc.md)
- [ac3](avfoundation/avfiletype/ac3.md)
- [aifc](avfoundation/avfiletype/aifc.md)
- [aiff](avfoundation/avfiletype/aiff.md)
- [amr](avfoundation/avfiletype/amr.md)
- [appleiTT](avfoundation/avfiletype/appleitt.md)
- [au](avfoundation/avfiletype/au.md)
- [avci](avfoundation/avfiletype/avci.md)
- [caf](avfoundation/avfiletype/caf.md)
- [dcm](avfoundation/avfiletype/dcm.md)
- [dng](avfoundation/avfiletype/dng.md)
- [eac3](avfoundation/avfiletype/eac3.md)
- [heic](avfoundation/avfiletype/heic.md)
- [heif](avfoundation/avfiletype/heif.md)