Three simple steps
How to use this tool?
This free online converter translates Gleam source code into Grain in three simple steps.
- Step 1
Add your Gleam code
Type, paste, or upload the Gleam 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 Gleam and Grain
| Characteristic | Gleam | Grain |
|---|---|---|
| Syntax | Statically typed, ML-inspired syntax with clear, concise structure; similar to Elm or ReasonML. | Statically typed, functional syntax inspired by OCaml and ReasonML, designed for clarity and simplicity. |
| Paradigm | Functional programming, immutable data, strong emphasis on pattern matching and algebraic data types. | Functional-first, supports algebraic data types, pattern matching, and immutability. |
| Typing | Static, strong, and inferred typing with a focus on type safety. | Static, strong, and inferred typing with a focus on soundness and safety. |
| Performance | Compiles to Erlang BEAM bytecode, inherits Erlang's concurrency and reliability, suitable for scalable backend systems. | Compiles to WebAssembly (Wasm), optimized for fast startup and execution in browser and server environments. |
| Libraries and frameworks | Growing ecosystem, can use Erlang and Elixir libraries via interop, but native Gleam libraries are still limited. | Smaller ecosystem, focused on core language features, limited libraries, but can interoperate with JavaScript in Wasm. |
| Community and support | Active, friendly, and growing community with good documentation and responsive maintainers. | Smaller, enthusiastic community, early in development, with improving documentation and support. |
| Learning curve | Gentle for those familiar with functional programming; approachable syntax and good error messages. | Moderate, especially for those with functional programming background; some learning curve due to Wasm concepts. |
Common questions
Frequently Asked Questions
How do I convert Gleam to Grain?
Paste your Gleam code into the input box, confirm the languages are set to Gleam and Grain, and click Convert. CodeConvert AI analyzes your Gleam code and generates equivalent Grain code in seconds, preserving the original logic and structure.
What are the main differences between Gleam and Grain?
Gleam 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 Gleam construct to its closest Grain equivalent. See the comparison table below for the key differences between Gleam and Grain.
Is the converted Grain code accurate?
The AI produces high-quality Grain code that preserves the behavior of your original Gleam code and follows Grain conventions. It handles common patterns, data structures, and idioms for both Gleam and Grain. For large or performance-critical code, review and test the Grain output before using it in production.
Can I convert an entire Gleam project to Grain?
You can convert Gleam 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 Gleam 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 Gleam?
Yes. CodeConvert AI converts in both directions, so you can convert Grain to Gleam just as easily using our Grain to Gleam converter. Try the Grain to Gleam Converter
Is the Gleam 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 Gleam to Grain without an account for up to 5 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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