---
title: AVCaptionConversionValidator
framework: avfoundation
role: symbol
role_heading: Class
path: avfoundation/avcaptionconversionvalidator
---

# AVCaptionConversionValidator

An object that validates captions for a conversion operation.

## Declaration

```swift
class AVCaptionConversionValidator
```

## Topics

### Creating a validator

- [init(captions:timeRange:conversionSettings:)](avfoundation/avcaptionconversionvalidator/init(captions:timerange:conversionsettings:).md)

### Inspecting the validator

- [captions](avfoundation/avcaptionconversionvalidator/captions.md)
- [timeRange](avfoundation/avcaptionconversionvalidator/timerange.md)

### Validating captions

- [validateCaptionConversion(warningHandler:)](avfoundation/avcaptionconversionvalidator/validatecaptionconversion(warninghandler:).md)
- [warnings](avfoundation/avcaptionconversionvalidator/warnings.md)
- [AVCaptionConversionWarning](avfoundation/avcaptionconversionwarning.md)
- [stopValidating()](avfoundation/avcaptionconversionvalidator/stopvalidating().md)

### Checking the status

- [status](avfoundation/avcaptionconversionvalidator/status-swift.property.md)
- [AVCaptionConversionValidator.Status](avfoundation/avcaptionconversionvalidator/status-swift.enum.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)
- [AVCaptionFormatConformer](avfoundation/avcaptionformatconformer.md)