# Functions that perform any-to-any conversion Convert between Core Video or Core Graphics image data of arbitrary color spaces and bit depths. ## Topics ### Creating a converter [`class vImageConverter`](/documentation/Accelerate/vImageConverter) A description of a conversion from one image format to another. [`func vImageConverter_CreateWithCGImageFormat(UnsafePointer, UnsafePointer, UnsafePointer!, vImage_Flags, UnsafeMutablePointer!) -> Unmanaged!`](/documentation/Accelerate/vImageConverter_CreateWithCGImageFormat(_:_:_:_:_:)) Creates a vImage converter that converts from one vImage Core Graphics image format to another. [`func vImageConverter_CreateWithCGColorConversionInfo(CGColorConversionInfo, UnsafePointer, UnsafePointer, UnsafePointer!, vImage_Flags, UnsafeMutablePointer!) -> Unmanaged!`](/documentation/Accelerate/vImageConverter_CreateWithCGColorConversionInfo(_:_:_:_:_:_:)) Creates an any-to-any converter that uses a color conversion information object to convert from one image format to another. [`func vImageConverter_CreateForCGToCVImageFormat(UnsafePointer, vImageCVImageFormat, UnsafePointer!, vImage_Flags, UnsafeMutablePointer!) -> Unmanaged!`](/documentation/Accelerate/vImageConverter_CreateForCGToCVImageFormat(_:_:_:_:_:)) Creates a vImage converter that converts a Core Graphics-formatted image to a Core Video-formatted image. [`func vImageConverter_CreateForCVToCGImageFormat(vImageCVImageFormat, UnsafePointer, UnsafePointer!, vImage_Flags, UnsafeMutablePointer!) -> Unmanaged!`](/documentation/Accelerate/vImageConverter_CreateForCVToCGImageFormat(_:_:_:_:_:)) Creates a vImage converter that converts a Core Video-formatted image to a Core Graphics-formatted image. [`func vImageConverter_CreateWithColorSyncCodeFragment(CFTypeRef, UnsafePointer, UnsafePointer!, UnsafePointer!, vImage_Flags, UnsafeMutablePointer!) -> Unmanaged!`](/documentation/Accelerate/vImageConverter_CreateWithColorSyncCodeFragment(_:_:_:_:_:_:)) Creates a vImage converter to convert from one vImage Core Graphics image format to another, using custom ColorSync transform. ### Performing a conversion [`func vImageConvert_AnyToAny(vImageConverter, UnsafePointer, UnsafePointer, UnsafeMutableRawPointer!, vImage_Flags) -> vImage_Error`](/documentation/Accelerate/vImageConvert_AnyToAny(_:_:_:_:_:)) Converts the pixels in a vImage buffer to another format, using the specified converter. ### Querying a converter’s properties [`func vImageConverter_MustOperateOutOfPlace(vImageConverter, UnsafePointer!, UnsafePointer!, vImage_Flags) -> vImage_Error`](/documentation/Accelerate/vImageConverter_MustOperateOutOfPlace(_:_:_:_:)) Determines whether a converter is capable of operating in place. [`func vImageConverter_GetSourceBufferOrder(vImageConverter) -> UnsafePointer!`](/documentation/Accelerate/vImageConverter_GetSourceBufferOrder(_:)) Returns a list of vImage source buffer channel names, specifying the order of planes. [`func vImageConverter_GetDestinationBufferOrder(vImageConverter) -> UnsafePointer!`](/documentation/Accelerate/vImageConverter_GetDestinationBufferOrder(_:)) Returns a list of vImage destination buffer channel names, specifying the order of planes. [`func vImageConverter_GetNumberOfSourceBuffers(vImageConverter) -> UInt`](/documentation/Accelerate/vImageConverter_GetNumberOfSourceBuffers(_:)) Returns the number of source buffers consumed by the converter. [`func vImageConverter_GetNumberOfDestinationBuffers(vImageConverter) -> UInt`](/documentation/Accelerate/vImageConverter_GetNumberOfDestinationBuffers(_:)) Returns the number of destination buffers written to by the converter. ### Memory management [`void vImageConverter_Retain(vImageConverterRef converter);`](/documentation/Accelerate/vImageConverter_Retain) Retains a vImage converter. [`void vImageConverter_Release(vImageConverterRef converter);`](/documentation/Accelerate/vImageConverter_Release) Releases a vImage converter. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)