Three simple steps
How to use this tool?
This free online converter translates Kotlin source code into Dart 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 Dart.
- Step 3
Review the result
Review, copy, or download the resulting Dart code from the output editor.
See it in action
Examples of Kotlin to Dart conversion
These examples show Kotlin source code and the corresponding Dart 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
Dart code
Example 2
Even or Odd
A well commented function to check if a number if odd or even.
Kotlin code
Dart code
Language comparison
Key differences between Kotlin and Dart
| Characteristic | Kotlin | Dart |
|---|---|---|
| Syntax | Kotlin has a syntax similar to Java and is considered more concise and expressive. | Dart has a syntax similar to JavaScript and is considered easy to read and write. |
| Paradigm | Kotlin supports both object-oriented and functional programming paradigms. | Dart supports both object-oriented and reactive programming paradigms. |
| Typing | Kotlin is statically typed and supports type inference. | Dart is optionally typed and supports both static and dynamic typing. |
| Performance | Kotlin is known for its high performance and efficient bytecode generation. | Dart is optimized for fast development and has a just-in-time (JIT) compiler for performance. |
| Libraries and frameworks | Kotlin has a growing ecosystem of libraries and frameworks, including popular ones like Ktor and Spring Boot. | Dart has a rich set of libraries and frameworks, including Flutter for building cross-platform mobile apps. |
| Community and support | Kotlin has a strong and active community with good support from JetBrains, the company behind Kotlin. | Dart has a growing community and is supported by Google, which provides regular updates and improvements. |
| Learning curve | Kotlin has a relatively low learning curve, especially for developers familiar with Java. | Dart has a moderate learning curve, but it can be easier to learn for developers with JavaScript experience. |
Common questions
Frequently Asked Questions
How do I convert Kotlin to Dart?
Paste your Kotlin code into the input box, confirm the languages are set to Kotlin and Dart, and click Convert. CodeConvert AI analyzes your Kotlin code and generates equivalent Dart code in seconds, preserving the original logic and structure.
What are the main differences between Kotlin and Dart?
Kotlin and Dart 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 Dart equivalent. See the comparison table below for the key differences between Kotlin and Dart.
Is the converted Dart code accurate?
The AI produces high-quality Dart code that preserves the behavior of your original Kotlin code and follows Dart conventions. It handles common patterns, data structures, and idioms for both Kotlin and Dart. For large or performance-critical code, review and test the Dart output before using it in production.
Can I convert an entire Kotlin project to Dart?
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 Dart. Signing in for free raises the input limit to 25,000 characters per conversion for larger files.
Can I convert Dart back to Kotlin?
Yes. CodeConvert AI converts in both directions, so you can convert Dart to Kotlin just as easily using our Dart to Kotlin converter. Try the Dart to Kotlin Converter
Is the Kotlin to Dart 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 Dart 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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