Kotlin logo

Free Kotlin to Wren Converter

Wren logo

upload iconClick 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 Wren in a click of a button. To use this converter, take the following steps -

  1. Type or paste your Kotlin code in the input box.
  2. Click the convert button.
  3. The resulting Wren code from the conversion will be displayed in the output box.

Key differences between Kotlin and Wren

CharacteristicKotlinWren
SyntaxModern, concise, and expressive syntax influenced by Java and other JVM languages.Minimalist and lightweight syntax, inspired by Lua and Smalltalk.
ParadigmMulti-paradigm: supports object-oriented, functional, and procedural programming.Primarily object-oriented with some scripting capabilities.
TypingStatically typed with type inference.Dynamically typed.
PerformanceHigh performance, runs on the JVM or can be compiled to native code.Interpreted language, generally slower than compiled languages.
Libraries and frameworksExtensive libraries and frameworks, especially for Android and JVM development.Limited libraries and frameworks, mostly focused on embedding and scripting.
Community and supportLarge and active community with strong support from JetBrains and Google.Small community, mostly maintained by enthusiasts and the original creator.
Learning curveModerate, especially for those familiar with Java or other JVM languages.Gentle learning curve due to simplicity, but limited resources and documentation.

Frequently Asked Questions

How do I convert Kotlin to Wren?

Paste your Kotlin code into the input box, confirm the languages are set to Kotlin and Wren, and click Convert. CodeConvert AI analyzes your Kotlin code and generates equivalent Wren code in seconds, preserving the original logic and structure.

What are the main differences between Kotlin and Wren?

Kotlin and Wren 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 Wren equivalent. See the comparison table below for the key differences between Kotlin and Wren.

Is the converted Wren code accurate?

The AI produces high-quality Wren code that preserves the behavior of your original Kotlin code and follows Wren conventions. It handles common patterns, data structures, and idioms for both Kotlin and Wren. For large or performance-critical code, review and test the Wren output before using it in production.

Can I convert an entire Kotlin project to Wren?

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 Wren. Signing in for free raises the input limit to 25,000 characters per conversion for larger files.

Can I convert Wren back to Kotlin?

Yes. CodeConvert AI converts in both directions, so you can convert Wren to Kotlin just as easily using our Wren to Kotlin converter. Try the Wren to Kotlin Converter

Is the Kotlin to Wren 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 Wren 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.