Three simple steps
How to use this tool?
This free online converter translates Lua source code into Grain in three simple steps.
- Step 1
Add your Lua code
Type, paste, or upload the Lua code you want to translate.
- Step 2
Convert the code
Click Convert to translate the source code into Grain.
- Step 3
Review the result
Review, copy, or download the resulting Grain code from the output editor.
Language comparison
Key differences between Lua and Grain
| Characteristic | Lua | Grain |
|---|---|---|
| Syntax | Simple, lightweight, and easy-to-read syntax inspired by Pascal and Ada. | Modern, functional syntax inspired by OCaml and ReasonML, with pattern matching and type inference. |
| Paradigm | Primarily imperative and procedural, with some support for object-oriented and functional programming. | Functional-first, with strong emphasis on immutability and pure functions. |
| Typing | Dynamically typed. | Statically typed with type inference. |
| Performance | Very fast and lightweight, suitable for embedded systems and scripting. | Runs on WebAssembly, offering good performance for web applications, but generally slower than native code. |
| Libraries and frameworks | Rich ecosystem for game development (e.g., Love2D, Corona SDK) and scripting, but fewer general-purpose libraries. | Smaller ecosystem, focused on WebAssembly and functional programming, with limited libraries compared to mainstream languages. |
| Community and support | Large, mature community with extensive documentation and support. | Small and emerging community, with growing but limited resources and support. |
| Learning curve | Gentle learning curve, easy for beginners. | Moderate learning curve, especially for those new to functional programming. |
Common questions
Frequently Asked Questions
How do I convert Lua to Grain?
Paste your Lua code into the input box, confirm the languages are set to Lua and Grain, and click Convert. CodeConvert AI analyzes your Lua code and generates equivalent Grain code in seconds, preserving the original logic and structure.
What are the main differences between Lua and Grain?
Lua and Grain differ in syntax, type system, standard libraries, and common idioms, so copying code line for line usually will not compile. The converter maps each Lua construct to its closest Grain equivalent. See the comparison table below for the key differences between Lua and Grain.
Is the converted Grain code accurate?
The AI produces high-quality Grain code that preserves the behavior of your original Lua code and follows Grain conventions. It handles common patterns, data structures, and idioms for both Lua and Grain. For large or performance-critical code, review and test the Grain output before using it in production.
Can I convert an entire Lua project to Grain?
You can convert Lua 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 Lua to Grain. Signing in for free raises the input limit to 25,000 characters per conversion for larger files.
Can I convert Grain back to Lua?
Yes. CodeConvert AI converts in both directions, so you can convert Grain to Lua just as easily using our Grain to Lua converter. Try the Grain to Lua Converter
Is the Lua to Grain 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 Lua to Grain 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.
More free tools