---
title: NSData Implementations
framework: foundation
role: collectionGroup
role_heading: API Collection
path: foundation/nsdata/nsdata-implementations
---

# NSData Implementations

## Topics

### Initializers

- [init(base64EncodedData:options:)](foundation/nsdata/init(base64encodeddata:options:).md)
- [init(base64EncodedString:options:)](foundation/nsdata/init(base64encodedstring:options:).md)
- [init(contentsOfURL:)](foundation/nsdata/init(contentsofurl:)-5gfaw.md)
- [init(contentsOfURL:)](foundation/nsdata/init(contentsofurl:)-8xwu9.md)
- [init(contentsOfURL:options:)](foundation/nsdata/init(contentsofurl:options:)-2ansm.md)
- [init(contentsOfURL:options:)](foundation/nsdata/init(contentsofurl:options:)-39obs.md)