Online Nim to Crystal Converter
Click to select or drop your input code file here.
You can also type the input code below.
How to use this tool?
This free online converter lets you convert code from Nim to Crystal in a click of a button. To use this converter, take the following steps -
- Type or paste your Nim code in the input box.
- Click the convert button.
- The resulting Crystal code from the conversion will be displayed in the output box.
Key differences between Nim and Crystal
| Characteristic | Nim | Crystal |
|---|---|---|
| Syntax | Python-like, indentation-based, readable and concise. | Ruby-like, elegant and expressive, uses end keywords for blocks. |
| Paradigm | Multi-paradigm: procedural, object-oriented, functional, and metaprogramming. | Multi-paradigm: object-oriented, functional, and metaprogramming. |
| Typing | Statically typed with type inference, supports gradual typing. | Statically typed with type inference, no gradual typing. |
| Performance | Very high, close to C/C++ due to native code compilation. | Very high, close to C, but slightly slower than Nim in some benchmarks. |
| Libraries and frameworks | Smaller ecosystem, but growing; fewer mature libraries and frameworks. | Larger ecosystem, especially for web development; more mature libraries and frameworks. |
| Community and support | Smaller, but active and friendly community; less corporate backing. | Larger and more active community; more contributors and some corporate interest. |
| Learning curve | Gentle for those familiar with Python; some complexity in advanced features. | Easy for Ruby developers; straightforward for newcomers, but static typing may require adjustment. |
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