Three simple steps
How to use this tool?
This free online converter translates Kotlin source code into Raku 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 Raku.
- Step 3
Review the result
Review, copy, or download the resulting Raku code from the output editor.
Language comparison
Key differences between Kotlin and Raku
| Characteristic | Kotlin | Raku |
|---|---|---|
| Syntax | Concise, modern, and similar to Java; uses curly braces and familiar C-style syntax. | Flexible, expressive, and allows multiple ways to write code; syntax can be more complex and Perl-like. |
| Paradigm | Primarily object-oriented with strong support for functional programming. | Multi-paradigm: object-oriented, functional, procedural, and concurrent programming. |
| Typing | Statically typed with type inference. | Dynamically typed by default, but supports gradual typing and type constraints. |
| Performance | High performance; compiles to JVM bytecode or native binaries. | Generally slower due to its dynamic nature and less mature runtime. |
| Libraries and frameworks | Extensive libraries and frameworks, especially for Android and JVM development. | Smaller ecosystem; has modules available via the Raku ecosystem but fewer mainstream frameworks. |
| Community and support | Large, active community with strong corporate backing (JetBrains, Google). | Smaller, passionate community; less corporate support and fewer resources. |
| Learning curve | Gentle for those familiar with Java or C-style languages. | Steeper due to flexible syntax and unique features. |
Common questions
Frequently Asked Questions
How do I convert Kotlin to Raku?
Paste your Kotlin code into the input box, confirm the languages are set to Kotlin and Raku, and click Convert. CodeConvert AI analyzes your Kotlin code and generates equivalent Raku code in seconds, preserving the original logic and structure.
What are the main differences between Kotlin and Raku?
Kotlin and Raku 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 Raku equivalent. See the comparison table below for the key differences between Kotlin and Raku.
Is the converted Raku code accurate?
The AI produces high-quality Raku code that preserves the behavior of your original Kotlin code and follows Raku conventions. It handles common patterns, data structures, and idioms for both Kotlin and Raku. For large or performance-critical code, review and test the Raku output before using it in production.
Can I convert an entire Kotlin project to Raku?
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 Raku. Signing in for free raises the input limit to 25,000 characters per conversion for larger files.
Can I convert Raku back to Kotlin?
Yes. CodeConvert AI converts in both directions, so you can convert Raku to Kotlin just as easily using our Raku to Kotlin converter. Try the Raku to Kotlin Converter
Is the Kotlin to Raku 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 Raku 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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