Three simple steps
How to use this tool?
This free online converter translates OCaml source code into Crystal in three simple steps.
- Step 1
Add your OCaml code
Type, paste, or upload the OCaml code you want to translate.
- Step 2
Convert the code
Click Convert to translate the source code into Crystal.
- Step 3
Review the result
Review, copy, or download the resulting Crystal code from the output editor.
See it in action
Examples of OCaml to Crystal conversion
These examples show OCaml source code and the corresponding Crystal translation. Generated results can vary as AI models are updated.
Example 1
Is String Palindrome
Program that checks if a string is a palindrome or not.
OCaml code
Crystal code
Example 2
Even or Odd
A well commented function to check if a number if odd or even.
OCaml code
Crystal code
Language comparison
Key differences between OCaml and Crystal
| Characteristic | OCaml | Crystal |
|---|---|---|
| Syntax | OCaml has a syntax that is similar to other functional programming languages, with a strong emphasis on pattern matching and immutability. | Crystal has a syntax that is inspired by Ruby, with a focus on readability and simplicity. |
| Paradigm | OCaml is a multi-paradigm language that supports functional, imperative, and object-oriented programming. | Crystal is a statically-typed, object-oriented language with a syntax inspired by Ruby. |
| Typing | OCaml has a strong static type system that helps catch errors at compile-time. | Crystal also has a strong static type system, but with type inference that reduces the need for explicit type annotations. |
| Performance | OCaml is known for its performance, with efficient memory management and native code compilation. | Crystal aims to provide a similar level of performance as C, by compiling to efficient native code. |
| Libraries and frameworks | OCaml has a rich ecosystem of libraries and frameworks, particularly for functional programming. | Crystal has a growing ecosystem of libraries and frameworks, with a focus on web development. |
| Community and support | OCaml has an active community and good support, with regular updates and a strong user base. | Crystal has a smaller community compared to OCaml, but it is growing and has good support from its developers. |
| Learning curve | OCaml has a moderate learning curve, especially for programmers familiar with functional programming concepts. | Crystal has a relatively low learning curve, especially for programmers familiar with Ruby. |
Common questions
Frequently Asked Questions
How do I convert OCaml to Crystal?
Paste your OCaml code into the input box, confirm the languages are set to OCaml and Crystal, and click Convert. CodeConvert AI analyzes your OCaml code and generates equivalent Crystal code in seconds, preserving the original logic and structure.
What are the main differences between OCaml and Crystal?
OCaml and Crystal differ in syntax, type system, standard libraries, and common idioms, so copying code line for line usually will not compile. The converter maps each OCaml construct to its closest Crystal equivalent. See the comparison table below for the key differences between OCaml and Crystal.
Is the converted Crystal code accurate?
The AI produces high-quality Crystal code that preserves the behavior of your original OCaml code and follows Crystal conventions. It handles common patterns, data structures, and idioms for both OCaml and Crystal. For large or performance-critical code, review and test the Crystal output before using it in production.
Can I convert an entire OCaml project to Crystal?
You can convert OCaml 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 OCaml to Crystal. Signing in for free raises the input limit to 25,000 characters per conversion for larger files.
Can I convert Crystal back to OCaml?
Yes. CodeConvert AI converts in both directions, so you can convert Crystal to OCaml just as easily using our Crystal to OCaml converter. Try the Crystal to OCaml Converter
Is the OCaml to Crystal 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 OCaml to Crystal without an account for up to 2 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.
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