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# NSData.Base64DecodingOptions

Options to modify the decoding algorithm used to decode Base64 encoded data.

```
struct Base64DecodingOptions
```

## Topics

### Initializers

[`init(rawValue:)`](/documentation/Foundation/NSData/Base64DecodingOptions/init(rawValue:))

### Constants

[`ignoreUnknownCharacters`](/documentation/Foundation/NSData/Base64DecodingOptions/ignoreUnknownCharacters)

Modify the decoding algorithm so that it ignores unknown non-Base-64 bytes, including line ending characters.


---

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