Online Janet to Kotlin 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 Janet to Kotlin in a click of a button. To use this converter, take the following steps -
- Type or paste your Janet code in the input box.
- Click the convert button.
- The resulting Kotlin code from the conversion will be displayed in the output box.
Key differences between Janet and Kotlin
| Characteristic | Janet | Kotlin |
|---|---|---|
| Syntax | Lisp-like, uses s-expressions and parentheses, concise and minimalistic. | C-like, similar to Java, uses braces and semicolons are optional, more verbose than Janet. |
| Paradigm | Multi-paradigm: functional, imperative, and metaprogramming (macros). | Multi-paradigm: object-oriented, functional, supports procedural and reactive styles. |
| Typing | Dynamically typed. | Statically typed with type inference. |
| Performance | Interpreted, generally fast for a scripting language but slower than compiled languages. | Compiled (JVM, native, JS), generally high performance, close to Java. |
| Libraries and frameworks | Limited ecosystem, mostly core libraries and some community packages. | Extensive ecosystem, can use all Java libraries, many frameworks for web, mobile, and more. |
| Community and support | Small, niche community, limited resources and support. | Large, active community, strong support from JetBrains and industry. |
| Learning curve | Steep for those unfamiliar with Lisp syntax, but simple core concepts. | Gentle for those with Java/C-like background, more features to learn but well-documented. |
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