Free Kotlin to Groovy Converter
Click to select or drop your input code file here.
You can also type the input code below.
How to use this tool?
This free online converter lets you convert code from Kotlin to Groovy in a click of a button. To use this converter, take the following steps -
- Type or paste your Kotlin code in the input box.
- Click the convert button.
- The resulting Groovy code from the conversion will be displayed in the output box.
Examples
The following are examples of code conversion from Kotlin to Groovy using this converter. Note that you may not always get the same code since it is generated by an AI language model which is not 100% deterministic and gets updated from time to time.
Example 1 - Is String Palindrome
Program that checks if a string is a palindrome or not.
Kotlin
Groovy
Example 2 - Even or Odd
A well commented function to check if a number if odd or even.
Kotlin
Groovy
Key differences between Kotlin and Groovy
| Characteristic | Kotlin | Groovy |
|---|---|---|
| Syntax | Kotlin has a more concise and modern syntax compared to Groovy. | Groovy has a more flexible and dynamic syntax compared to Kotlin. |
| Paradigm | Kotlin is a statically-typed programming language that supports both object-oriented and functional programming paradigms. | Groovy is a dynamically-typed programming language that supports both object-oriented and scripting paradigms. |
| Typing | Kotlin has static typing, which helps catch errors at compile-time. | Groovy has dynamic typing, which allows for more flexibility but can lead to runtime errors. |
| Performance | Kotlin is known for its performance and can be as fast as Java. | Groovy is generally slower than Kotlin and Java due to its dynamic nature. |
| Libraries and frameworks | Kotlin has good interoperability with Java libraries and frameworks, and also has its own growing ecosystem of libraries. | Groovy has good interoperability with Java libraries and frameworks, and also has its own ecosystem of libraries. |
| Community and support | Kotlin has a growing community and is backed by JetBrains, which provides strong support and regular updates. | Groovy has an active community and is supported by the Apache Software Foundation. |
| Learning curve | Kotlin has a relatively easy learning curve, especially for developers familiar with Java. | Groovy has a relatively easy learning curve, especially for developers familiar with Java. |
Frequently Asked Questions
How do I convert Kotlin to Groovy?
Paste your Kotlin code into the input box, confirm the languages are set to Kotlin and Groovy, and click Convert. CodeConvert AI analyzes your Kotlin code and generates equivalent Groovy code in seconds, preserving the original logic and structure.
What are the main differences between Kotlin and Groovy?
Kotlin and Groovy 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 Groovy equivalent. See the comparison table below for the key differences between Kotlin and Groovy.
Is the converted Groovy code accurate?
The AI produces high-quality Groovy code that preserves the behavior of your original Kotlin code and follows Groovy conventions. It handles common patterns, data structures, and idioms for both Kotlin and Groovy. For large or performance-critical code, review and test the Groovy output before using it in production.
Can I convert an entire Kotlin project to Groovy?
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 Groovy. Signing in for free raises the input limit to 25,000 characters per conversion for larger files.
Can I convert Groovy back to Kotlin?
Yes. CodeConvert AI converts in both directions, so you can convert Groovy to Kotlin just as easily using our Groovy to Kotlin converter. Try the Groovy to Kotlin Converter
Is the Kotlin to Groovy 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 Groovy 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.
