How to use this tool?

This free online converter lets you convert code from Crystal to Dart 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 Dart code from the conversion will be displayed in the output box.

Examples

The following are examples of code conversion from Crystal to Dart 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

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Dart

Example 2 - Even or Odd

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

Crystal

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Dart

Key differences between Crystal and Dart

CharacteristicCrystalDart
SyntaxCrystal has a syntax similar to Ruby, with some additional features like static typing.Dart has a syntax similar to JavaScript, with some additional features like optional static typing.
ParadigmCrystal supports object-oriented programming and metaprogramming.Dart supports object-oriented programming and has some functional programming features.
TypingCrystal has static typing with type inference.Dart has optional static typing.
PerformanceCrystal is known for its high performance and low memory usage.Dart has good performance, but it may not be as fast as some other languages.
Libraries and frameworksCrystal has a smaller ecosystem of libraries and frameworks compared to Dart.Dart has a larger ecosystem of libraries and frameworks compared to Crystal.
Community and supportCrystal has a smaller community and less support compared to Dart.Dart has a larger community and more support compared to Crystal.
Learning curveCrystal has a moderate learning curve, especially for developers familiar with Ruby.Dart has a moderate learning curve, especially for developers familiar with JavaScript.