# removingPercentEncoding Returns a new string made from the receiver by replacing all percent encoded sequences with the matching UTF-8 characters. ``` var removingPercentEncoding: String? { get } ``` ## Return Value A new string with the percent-encoded sequences removed, or `nil` if the receiver contains an invalid percent-encoding sequence. ## Discussion> Important: > You must call this method only on strings that you know to be percent-encoded. Calling this method on strings that are not percent-encoded can lead to misinterpreting a percent character as the beginning of a percent-encoded sequence. ## See Also [`replacingPercentEscapes(using:)`](/documentation/Foundation/NSString/replacingPercentEscapes(using:)) Returns a new string made by replacing in the receiver all percent escapes with the matching characters as determined by a given encoding. [`addingPercentEscapes(using:)`](/documentation/Foundation/NSString/addingPercentEscapes(using:)) Returns a representation of the receiver using a given encoding to determine the percent escapes necessary to convert the receiver into a legal URL string. --- 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)