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Online Swift to Kotlin Converter

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Additional Instructions

How to use this tool?

This free online converter lets you convert code from Swift to Kotlin in a click of a button. To use this converter, take the following steps -

Type or paste your Swift code in the input box.
Click on the "Convert" button.
The converted Kotlin code will be displayed in the output box.

Examples

The following are examples of code conversion from Swift to Kotlin using this converter. Note that you may not always get the same code since it is generated by an AI language model which is not 100% deterministic and gets updated from time to time.

Example 1 - Is String Palindrome

Program that checks if a string is a palindrome or not.

Swift Code:

Kotlin Code:

Example 2 - Even or Odd

A well commented function to check if a number if odd or even.

Swift Code:

Kotlin Code:

Differences

The following are some key differences between Swift and Kotlin.

Characteristic	Swift	Kotlin
Syntax	Swift has a syntax that is similar to many other modern programming languages, with a focus on readability and simplicity.	Kotlin has a syntax that is also similar to many modern programming languages, with a focus on conciseness and expressiveness.
Paradigm	Swift is a multi-paradigm language that supports both object-oriented and functional programming.	Kotlin is a multi-paradigm language that supports both object-oriented and functional programming.
Typing	Swift is a statically-typed language, meaning that variable types are checked at compile-time.	Kotlin is a statically-typed language, meaning that variable types are checked at compile-time.
Performance	Swift is known for its high performance, as it is designed to be fast and efficient.	Kotlin is also known for its good performance, although it may not be as optimized as Swift in some cases.
Libraries and frameworks	Swift has a rich ecosystem of libraries and frameworks, including popular ones like SwiftUI and Alamofire.	Kotlin has a growing ecosystem of libraries and frameworks, with popular ones like Ktor and Anko.
Community and support	Swift has a large and active community, with good support from Apple and a dedicated website for documentation and resources.	Kotlin also has a growing community, with support from JetBrains and a dedicated website for documentation and resources.
Learning curve	Swift has a relatively steep learning curve, especially for beginners with no prior programming experience.	Kotlin has a relatively gentle learning curve, especially for developers familiar with Java or other similar languages.

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