Three simple steps
How to use this tool?
This free online converter translates Kotlin source code into Rust 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 Rust.
- Step 3
Review the result
Review, copy, or download the resulting Rust code from the output editor.
See it in action
Examples of Kotlin to Rust conversion
These examples show Kotlin source code and the corresponding Rust 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
Rust code
Example 2
Even or Odd
A well commented function to check if a number if odd or even.
Kotlin code
Rust code
Language comparison
Key differences between Kotlin and Rust
| Characteristic | Kotlin | Rust |
|---|---|---|
| Syntax | Kotlin has a concise and expressive syntax that is similar to Java, making it easy for Java developers to learn. It also supports functional programming constructs. | Rust has a syntax that is similar to C++, but with some unique features such as pattern matching and ownership. It has a steeper learning curve than Kotlin. |
| Paradigm | Kotlin is a multi-paradigm language that supports both object-oriented and functional programming. | Rust is a multi-paradigm language that supports both imperative and functional programming. It also has a focus on safety and performance. |
| Typing | Kotlin is a statically typed language that supports type inference, making it easier to write code. | Rust is a statically typed language that has a strong type system and supports type inference. It also has a focus on memory safety. |
| Performance | Kotlin is a high-performance language that can be used for a wide range of applications, including Android development. | Rust is a high-performance language that is designed for systems programming and can be used for low-level programming tasks. |
| Libraries and frameworks | Kotlin has a growing ecosystem of libraries and frameworks, including Spring Boot and Ktor. | Rust has a smaller ecosystem of libraries and frameworks compared to Kotlin, but it has some notable ones such as Rocket and Actix. |
| Community and support | Kotlin has a large and active community, with support from Google and JetBrains. | Rust has a growing community, with support from Mozilla and a number of other companies and organizations. |
| Learning curve | Kotlin has a relatively low learning curve, especially for Java developers who are already familiar with the syntax. | Rust has a steep learning curve, especially for developers who are not familiar with systems programming or low-level programming languages. |
Common questions
Frequently Asked Questions
How do I convert Kotlin to Rust?
Paste your Kotlin code into the input box, confirm the languages are set to Kotlin and Rust, and click Convert. CodeConvert AI analyzes your Kotlin code and generates equivalent Rust code in seconds, preserving the original logic and structure.
What are the main differences between Kotlin and Rust?
Kotlin and Rust 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 Rust equivalent. See the comparison table below for the key differences between Kotlin and Rust.
Is the converted Rust code accurate?
The AI produces high-quality Rust code that preserves the behavior of your original Kotlin code and follows Rust conventions. It handles common patterns, data structures, and idioms for both Kotlin and Rust. For large or performance-critical code, review and test the Rust output before using it in production.
Can I convert an entire Kotlin project to Rust?
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 Rust. Signing in for free raises the input limit to 25,000 characters per conversion for larger files.
Can I convert Rust back to Kotlin?
Yes. CodeConvert AI converts in both directions, so you can convert Rust to Kotlin just as easily using our Rust to Kotlin converter. Try the Rust to Kotlin Converter
Is the Kotlin to Rust 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 Rust without an account for up to 5 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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