URL Encoder/Decoder for Swift

Free online url encoder/decoder with Swift code examples

Working with url encoder/decoder in Swift? Our free online url encoder/decoder helps Swift developers format, validate, and process data instantly. Below you will find Swift code examples using Foundation (built-in) so you can achieve the same result programmatically in your own projects.

Try the URL Encoder/Decoder Online

Use our free URL Encoder/Decoder directly in your browser — no setup required.

Open URL Encoder/Decoder

Swift Code Example

import Foundation

let text = "Hello World!"
let encoded = text.addingPercentEncoding(
    withAllowedCharacters: .urlQueryAllowed)!
print(encoded)

Quick Setup

Library: Foundation (built-in)
// Built-in framework — no installation needed

Swift Tips & Best Practices

  • Use .urlQueryAllowed for query parameter encoding
  • .urlPathAllowed preserves path characters
  • URLComponents handles encoding automatically

Frequently Asked Questions

URL Encoder/Decoder in Other Languages

More Swift Tools