Three simple steps
How to use this tool?
This free online converter translates Dart source code into Kotlin in three simple steps.
- Step 1
Add your Dart code
Type, paste, or upload the Dart 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 Dart to Kotlin conversion
These examples show Dart 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.
Dart code
Kotlin code
Example 2
Even or Odd
A well commented function to check if a number if odd or even.
Dart code
Kotlin code
Language comparison
Key differences between Dart and Kotlin
| Characteristic | Dart | Kotlin |
|---|---|---|
| Syntax | Dart has a C-style syntax similar to Java and JavaScript. | Kotlin has a more concise and expressive syntax compared to Java. |
| Paradigm | Dart supports both object-oriented and functional programming paradigms. | Kotlin is a statically-typed programming language that supports both object-oriented and functional programming paradigms. |
| Typing | Dart is optionally typed, allowing both static and dynamic typing. | Kotlin is statically typed, which means all variables must have a specific type. |
| Performance | Dart has a just-in-time (JIT) compiler for faster development and a ahead-of-time (AOT) compiler for better performance in production. | Kotlin has similar performance to Java as it compiles to Java bytecode. |
| Libraries and frameworks | Dart has a growing ecosystem of libraries and frameworks, including Flutter for building cross-platform mobile apps. | Kotlin has access to the vast Java ecosystem, including popular libraries and frameworks like Spring and Android. |
| Community and support | Dart has a growing community and is backed by Google, which provides good support and resources. | Kotlin has a strong community and is officially supported by JetBrains, the creators of the language. |
| Learning curve | Dart has a relatively easy learning curve, especially for developers familiar with C-style syntax. | Kotlin has a gentle learning curve, especially for developers familiar with Java. |
Common questions
Frequently Asked Questions
How do I convert Dart to Kotlin?
Paste your Dart code into the input box, confirm the languages are set to Dart and Kotlin, and click Convert. CodeConvert AI analyzes your Dart code and generates equivalent Kotlin code in seconds, preserving the original logic and structure.
What are the main differences between Dart and Kotlin?
Dart 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 Dart construct to its closest Kotlin equivalent. See the comparison table below for the key differences between Dart and Kotlin.
Is the converted Kotlin code accurate?
The AI produces high-quality Kotlin code that preserves the behavior of your original Dart code and follows Kotlin conventions. It handles common patterns, data structures, and idioms for both Dart and Kotlin. For large or performance-critical code, review and test the Kotlin output before using it in production.
Can I convert an entire Dart project to Kotlin?
You can convert Dart 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 Dart 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 Dart?
Yes. CodeConvert AI converts in both directions, so you can convert Kotlin to Dart just as easily using our Kotlin to Dart converter. Try the Kotlin to Dart Converter
Is the Dart 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 Dart to Kotlin 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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