---
title: lowercased()
framework: swift
role: symbol
role_heading: Instance Method
path: swift/string/lowercased()
---

# lowercased()

Returns a lowercase version of the string.

## Declaration

```swift
func lowercased() -> String
```

## Return Value

Return Value A lowercase copy of the string.

## Discussion

Discussion Here’s an example of transforming a string to all lowercase letters. let cafe = "BBQ Café 🍵" print(cafe.lowercased()) // Prints "bbq café 🍵" note: O(n)

## See Also

### Changing Case

- [uppercased()](swift/string/uppercased().md)