Three simple steps
How to use this tool?
This free online converter translates Rust source code into Kotlin in three simple steps.
- Step 1
Add your Rust code
Type, paste, or upload the Rust code you want to translate.
- Step 2
Convert the code
Click Convert to translate the source code into Kotlin.
- Step 3
Review the result
Review, copy, or download the resulting Kotlin code from the output editor.
See it in action
Examples of Rust to Kotlin conversion
These examples show Rust source code and the corresponding Kotlin 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.
Rust code
Kotlin code
Example 2
Even or Odd
A well commented function to check if a number if odd or even.
Rust code
Kotlin code
Language comparison
Key differences between Rust and Kotlin
| Characteristic | Rust | Kotlin |
|---|---|---|
| Syntax | Rust has a syntax that is similar to C++ and is known for its focus on safety and memory management. | Kotlin has a syntax that is similar to Java and is known for its conciseness and ease of use. |
| Paradigm | Rust is a multi-paradigm language that supports functional, imperative, and object-oriented programming. | Kotlin is a multi-paradigm language that supports object-oriented and functional programming. |
| Typing | Rust is a statically typed language that uses type inference to reduce the need for explicit type annotations. | Kotlin is a statically typed language that supports both type inference and explicit type annotations. |
| Performance | Rust is known for its high performance and low-level control over system resources. | Kotlin is known for its performance and is often used for Android app development. |
| Libraries and frameworks | Rust has a growing ecosystem of libraries and frameworks, but it is not as mature as some other languages. | Kotlin has a large and mature ecosystem of libraries and frameworks, especially for Android app development. |
| Community and support | Rust has a growing community and is supported by Mozilla, but it is not as widely used as some other languages. | Kotlin has a large and active community, especially for Android app development, and is supported by JetBrains. |
| Learning curve | Rust has a steep learning curve due to its focus on safety and memory management. | Kotlin has a relatively easy learning curve, especially for developers familiar with Java. |
Common questions
Frequently Asked Questions
How do I convert Rust to Kotlin?
Paste your Rust code into the input box, confirm the languages are set to Rust and Kotlin, and click Convert. CodeConvert AI analyzes your Rust code and generates equivalent Kotlin code in seconds, preserving the original logic and structure.
What are the main differences between Rust and Kotlin?
Rust and Kotlin differ in syntax, type system, standard libraries, and common idioms, so copying code line for line usually will not compile. The converter maps each Rust construct to its closest Kotlin equivalent. See the comparison table below for the key differences between Rust and Kotlin.
Is the converted Kotlin code accurate?
The AI produces high-quality Kotlin code that preserves the behavior of your original Rust code and follows Kotlin conventions. It handles common patterns, data structures, and idioms for both Rust and Kotlin. For large or performance-critical code, review and test the Kotlin output before using it in production.
Can I convert an entire Rust project to Kotlin?
You can convert Rust 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 Rust to Kotlin. Signing in for free raises the input limit to 25,000 characters per conversion for larger files.
Can I convert Kotlin back to Rust?
Yes. CodeConvert AI converts in both directions, so you can convert Kotlin to Rust just as easily using our Kotlin to Rust converter. Try the Kotlin to Rust Converter
Is the Rust to Kotlin 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 Rust to Kotlin 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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