How to use this tool?

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

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

Examples

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

C

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Crystal

Example 2 - Even or Odd

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

C

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Crystal

Key differences between C and Crystal

CharacteristicCCrystal
SyntaxC uses a procedural syntax with a focus on low-level programming.Crystal has a syntax similar to Ruby, with a focus on simplicity and readability.
ParadigmC supports procedural programming.Crystal supports both procedural and object-oriented programming.
TypingC is statically typed.Crystal is statically typed with type inference.
PerformanceC is known for its high performance and efficiency.Crystal aims to have similar performance to C by compiling to native code.
Libraries and frameworksC has a wide range of libraries and frameworks available.Crystal can use existing C libraries and has its own growing ecosystem of libraries and frameworks.
Community and supportC has a large and established community with extensive support.Crystal has a smaller but growing community with active support.
Learning curveC has a steep learning curve, especially for beginners.Crystal has a relatively low learning curve, especially for those familiar with Ruby.