Three simple steps
How to use this tool?
This free online converter translates Kotlin source code into Scala in three simple steps.
- Step 1
Add your Kotlin code
Type, paste, or upload the Kotlin code you want to translate.
- Step 2
Convert the code
Click Convert to translate the source code into Scala.
- Step 3
Review the result
Review, copy, or download the resulting Scala code from the output editor.
See it in action
Examples of Kotlin to Scala conversion
These examples show Kotlin source code and the corresponding Scala translation. Generated results can vary as AI models are updated.
Example 1
Is String Palindrome
Program that checks if a string is a palindrome or not.
Kotlin code
Scala code
Example 2
Even or Odd
A well commented function to check if a number if odd or even.
Kotlin code
Scala code
Language comparison
Key differences between Kotlin and Scala
| Characteristic | Kotlin | Scala |
|---|---|---|
| Syntax | Kotlin has a more concise and readable syntax compared to Scala. | Scala has a more complex syntax compared to Kotlin, but it offers more flexibility and power. |
| Paradigm | Kotlin is a statically typed, object-oriented language with functional programming features. | Scala is a multi-paradigm language that supports both object-oriented and functional programming. |
| Typing | Kotlin has a strong, static type system that helps catch errors at compile-time. | Scala has a strong, static type system that supports type inference and allows for more flexible typing. |
| Performance | Kotlin is known for its fast compilation speed and runtime performance. | Scala's performance is generally good, but it can be slower than Java in some cases due to its complex type system. |
| Libraries and frameworks | Kotlin has a growing ecosystem of libraries and frameworks, including Spring Boot and Ktor. | Scala has a mature ecosystem of libraries and frameworks, including Akka and Play Framework. |
| Community and support | Kotlin has a growing community and is backed by JetBrains, which provides strong support and development tools. | Scala has a strong community and is backed by Lightbend, which provides support and development tools. |
| Learning curve | Kotlin has a relatively easy learning curve, especially for Java developers. | Scala has a steep learning curve due to its complex syntax and advanced features. |
Common questions
Frequently Asked Questions
How do I convert Kotlin to Scala?
Paste your Kotlin code into the input box, confirm the languages are set to Kotlin and Scala, and click Convert. CodeConvert AI analyzes your Kotlin code and generates equivalent Scala code in seconds, preserving the original logic and structure.
What are the main differences between Kotlin and Scala?
Kotlin and Scala differ in syntax, type system, standard libraries, and common idioms, so copying code line for line usually will not compile. The converter maps each Kotlin construct to its closest Scala equivalent. See the comparison table below for the key differences between Kotlin and Scala.
Is the converted Scala code accurate?
The AI produces high-quality Scala code that preserves the behavior of your original Kotlin code and follows Scala conventions. It handles common patterns, data structures, and idioms for both Kotlin and Scala. For large or performance-critical code, review and test the Scala output before using it in production.
Can I convert an entire Kotlin project to Scala?
You can convert Kotlin files one at a time by pasting each file's code. For a full migration, convert each file and then review how classes, dependencies, and project structure map from Kotlin to Scala. Signing in for free raises the input limit to 25,000 characters per conversion for larger files.
Can I convert Scala back to Kotlin?
Yes. CodeConvert AI converts in both directions, so you can convert Scala to Kotlin just as easily using our Scala to Kotlin converter. Try the Scala to Kotlin Converter
Is the Kotlin to Scala converter free, and do I need to install anything?
Yes, it is free and runs in your browser with nothing to install and no IDE extension required. You can convert Kotlin to Scala without an account for up to 2 conversions per day. Sign in for free for higher limits.
What are the benefits of signing in?
Signing in unlocks CodeConvert AI's Pro converter with more powerful AI models, a built-in chat assistant, code execution, saved conversion history, and personal notes. Every free account includes 5 credits and supports up to 25,000 characters of input per conversion, with no credit card required.
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