Online Kotlin to Swift Converter
Click to select or drop your input code file here.
You can also type the input code below.
How to use this tool?
This free online converter lets you convert code from Kotlin to Swift in a click of a button. To use this converter, take the following steps -
- Type or paste your Kotlin code in the input box.
- Click the convert button.
- The resulting Swift code from the conversion will be displayed in the output box.
Examples
The following are examples of code conversion from Kotlin to Swift 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.
Kotlin
Swift
Example 2 - Even or Odd
A well commented function to check if a number if odd or even.
Kotlin
Swift
Key differences between Kotlin and Swift
| Characteristic | Kotlin | Swift |
|---|---|---|
| Syntax | Kotlin has a syntax similar to Java, making it easy for Java developers to transition to Kotlin. | Swift has a syntax that is more concise and expressive compared to Kotlin. |
| Paradigm | Kotlin supports both object-oriented programming and functional programming paradigms. | Swift is primarily an object-oriented programming language but also supports some functional programming concepts. |
| Typing | Kotlin has static typing, which helps catch errors at compile-time. | Swift also has static typing, ensuring type safety and preventing runtime errors. |
| Performance | Kotlin has comparable performance to Java as it runs on the Java Virtual Machine (JVM). | Swift is known for its high performance and is optimized for iOS and macOS platforms. |
| Libraries and frameworks | Kotlin has good interoperability with Java libraries and frameworks. | Swift has a growing ecosystem of libraries and frameworks specifically designed for iOS and macOS development. |
| Community and support | Kotlin has a growing community and is backed by JetBrains, which provides strong support and regular updates. | Swift has a large and active community, with support from Apple and regular updates. |
| Learning curve | Kotlin has a relatively low learning curve, especially for Java developers. | Swift has a moderate learning curve, with a focus on modern programming concepts. |
Frequently Asked Questions
How do I convert Kotlin to Swift using CodeConvert AI?
Simply paste your Kotlin code into the input box and click the Convert button. Our AI will analyze your Kotlin code and produce equivalent Swift code in seconds, preserving the original logic and structure.
Is the converted Swift code accurate?
The AI produces high-quality Swift code that preserves the logic and functionality of your original Kotlin code. It handles common patterns, data structures, and idioms for both Kotlin and Swift. For complex or performance-critical code, we recommend reviewing and testing the output.
Can I also convert Swift back to Kotlin?
Yes! CodeConvert AI supports bidirectional conversion. You can convert Swift to Kotlin just as easily by using our Swift to Kotlin converter. Try the Swift to Kotlin Converter
Is the Kotlin to Swift converter free?
Yes. You can convert Kotlin to Swift for free without creating an account for up to 5 conversions per day. For higher limits and additional features, you can sign up for a Pro account.
What types of Kotlin code can be converted to Swift?
This tool can convert a wide range of Kotlin code to Swift — from simple functions and algorithms to complete programs with classes, error handling, and complex logic. The AI understands both Kotlin and Swift idioms and produces natural-looking code.
What are the benefits of signing in?
Signing in unlocks CodeConvert AI's Pro tool — featuring more powerful AI models, an integrated chat assistant, code execution, personal notes, conversion history, and an enhanced interface. Every new account comes with 5 free credits to explore the full Pro experience.