Three simple steps
How to use this tool?
This free online converter translates Crystal source code into Haskell in three simple steps.
- Step 1
Add your Crystal code
Type, paste, or upload the Crystal code you want to translate.
- Step 2
Convert the code
Click Convert to translate the source code into Haskell.
- Step 3
Review the result
Review, copy, or download the resulting Haskell code from the output editor.
See it in action
Examples of Crystal to Haskell conversion
These examples show Crystal source code and the corresponding Haskell 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.
Crystal code
Haskell code
Example 2
Even or Odd
A well commented function to check if a number if odd or even.
Crystal code
Haskell code
Language comparison
Key differences between Crystal and Haskell
| Characteristic | Crystal | Haskell |
|---|---|---|
| Syntax | Crystal has a syntax similar to Ruby, with some additional features like static typing. | Haskell has a unique syntax that is based on mathematical notation and is purely functional. |
| Paradigm | Crystal supports both object-oriented and functional programming paradigms. | Haskell is a purely functional programming language. |
| Typing | Crystal has static typing with type inference. | Haskell has static typing with strong type inference. |
| Performance | Crystal is known for its high performance and low memory usage. | Haskell is generally slower than languages like Crystal due to its lazy evaluation and purity. |
| Libraries and frameworks | Crystal has a growing ecosystem of libraries and frameworks, but it is not as extensive as some other languages. | Haskell has a rich ecosystem of libraries and frameworks, especially for functional programming. |
| Community and support | Crystal has a smaller community compared to languages like Haskell, but it is growing. | Haskell has a large and active community with strong support. |
| Learning curve | Crystal has a relatively low learning curve, especially for developers familiar with Ruby. | Haskell has a steep learning curve, especially for developers new to functional programming. |
Common questions
Frequently Asked Questions
How do I convert Crystal to Haskell?
Paste your Crystal code into the input box, confirm the languages are set to Crystal and Haskell, and click Convert. CodeConvert AI analyzes your Crystal code and generates equivalent Haskell code in seconds, preserving the original logic and structure.
What are the main differences between Crystal and Haskell?
Crystal and Haskell differ in syntax, type system, standard libraries, and common idioms, so copying code line for line usually will not compile. The converter maps each Crystal construct to its closest Haskell equivalent. See the comparison table below for the key differences between Crystal and Haskell.
Is the converted Haskell code accurate?
The AI produces high-quality Haskell code that preserves the behavior of your original Crystal code and follows Haskell conventions. It handles common patterns, data structures, and idioms for both Crystal and Haskell. For large or performance-critical code, review and test the Haskell output before using it in production.
Can I convert an entire Crystal project to Haskell?
You can convert Crystal 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 Crystal to Haskell. Signing in for free raises the input limit to 25,000 characters per conversion for larger files.
Can I convert Haskell back to Crystal?
Yes. CodeConvert AI converts in both directions, so you can convert Haskell to Crystal just as easily using our Haskell to Crystal converter. Try the Haskell to Crystal Converter
Is the Crystal to Haskell 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 Crystal to Haskell 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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