Three simple steps
How to use this tool?
This free online converter translates Crystal source code into Erlang 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 Erlang.
- Step 3
Review the result
Review, copy, or download the resulting Erlang code from the output editor.
See it in action
Examples of Crystal to Erlang conversion
These examples show Crystal source code and the corresponding Erlang 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
Erlang code
Example 2
Even or Odd
A well commented function to check if a number if odd or even.
Crystal code
Erlang code
Language comparison
Key differences between Crystal and Erlang
| Characteristic | Crystal | Erlang |
|---|---|---|
| Syntax | Crystal has a syntax similar to Ruby, with some additional features like static typing. | Erlang has a unique syntax that is based on Prolog and is focused on concurrency and fault-tolerance. |
| Paradigm | Crystal is a statically-typed, object-oriented language with influences from Ruby. | Erlang is a dynamically-typed, functional language with a focus on concurrency and fault-tolerance. |
| Typing | Crystal has static typing with type inference, allowing for type safety and performance optimizations. | Erlang has dynamic typing, which provides flexibility but can lead to potential runtime errors. |
| Performance | Crystal is known for its high performance, as it compiles to native code and has a low-level execution model. | Erlang is designed for fault-tolerance and concurrency, sacrificing some performance for these features. |
| Libraries and frameworks | Crystal has a growing ecosystem of libraries and frameworks, although it may not have as many options as more established languages. | Erlang has a mature ecosystem with a wide range of libraries and frameworks, particularly focused on building distributed and fault-tolerant systems. |
| Community and support | Crystal has a smaller community compared to more popular languages, but it is growing and has active support from its community. | Erlang has a strong and active community with extensive support and resources available. |
| Learning curve | Crystal has a relatively low learning curve for developers familiar with Ruby or similar languages. | Erlang has a steeper learning curve due to its unique syntax and functional programming concepts. |
Common questions
Frequently Asked Questions
How do I convert Crystal to Erlang?
Paste your Crystal code into the input box, confirm the languages are set to Crystal and Erlang, and click Convert. CodeConvert AI analyzes your Crystal code and generates equivalent Erlang code in seconds, preserving the original logic and structure.
What are the main differences between Crystal and Erlang?
Crystal and Erlang 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 Erlang equivalent. See the comparison table below for the key differences between Crystal and Erlang.
Is the converted Erlang code accurate?
The AI produces high-quality Erlang code that preserves the behavior of your original Crystal code and follows Erlang conventions. It handles common patterns, data structures, and idioms for both Crystal and Erlang. For large or performance-critical code, review and test the Erlang output before using it in production.
Can I convert an entire Crystal project to Erlang?
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 Erlang. Signing in for free raises the input limit to 25,000 characters per conversion for larger files.
Can I convert Erlang back to Crystal?
Yes. CodeConvert AI converts in both directions, so you can convert Erlang to Crystal just as easily using our Erlang to Crystal converter. Try the Erlang to Crystal Converter
Is the Crystal to Erlang 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 Erlang 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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