How to use this tool?

This free online converter lets you convert code from Crystal to CoffeeScript in a click of a button. To use this converter, take the following steps -

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

Examples

The following are examples of code conversion from Crystal to CoffeeScript 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.

Crystal

right arrow

CoffeeScript

Example 2 - Even or Odd

A well commented function to check if a number if odd or even.

Crystal

right arrow

CoffeeScript

Key differences between Crystal and CoffeeScript

CharacteristicCrystalCoffeeScript
SyntaxCrystal has a syntax similar to Ruby, with some additional features like type annotations and macros.CoffeeScript has a syntax inspired by JavaScript, but with a more concise and expressive syntax.
ParadigmCrystal is a statically-typed, object-oriented language with support for metaprogramming.CoffeeScript is a dynamically-typed, object-oriented language that compiles to JavaScript.
TypingCrystal is a statically-typed language, meaning that variable types are checked at compile-time.CoffeeScript is a dynamically-typed language, meaning that variable types are checked at runtime.
PerformanceCrystal is designed to have similar performance to statically-typed languages like C or C++.CoffeeScript's performance is dependent on the underlying JavaScript engine.
Libraries and frameworksCrystal has a growing ecosystem of libraries and frameworks, but it is not as extensive as languages like Python or JavaScript.CoffeeScript can leverage the vast ecosystem of JavaScript libraries and frameworks.
Community and supportCrystal has a smaller community compared to more popular languages, but it is growing and has active support.CoffeeScript has a larger community and more established support due to its longer history.
Learning curveCrystal has a moderate learning curve, especially for developers familiar with Ruby or other similar languages.CoffeeScript has a relatively low learning curve, especially for developers familiar with JavaScript.