---
title: AVCaptionFormatConformer
framework: avfoundation
role: symbol
role_heading: Class
path: avfoundation/avcaptionformatconformer
---

# AVCaptionFormatConformer

An object that converts a canonical caption to a specific format.

## Declaration

```swift
class AVCaptionFormatConformer
```

## Topics

### Creating a format conformer

- [init(conversionSettings:)](avfoundation/avcaptionformatconformer/init(conversionsettings:).md)

### Conforming captions

- [conformsCaptionsToTimeRange](avfoundation/avcaptionformatconformer/conformscaptionstotimerange.md)
- [conformedCaption(for:)](avfoundation/avcaptionformatconformer/conformedcaption(for:).md)

## Relationships

### Inherits From

- [NSObject](objectivec/nsobject-swift.class.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)

## See Also

### Conversion and validation

- [AVCaptionSettingsKey](avfoundation/avcaptionsettingskey.md)
- [AVCaptionConversionValidator](avfoundation/avcaptionconversionvalidator.md)