Three simple steps
How to use this tool?
This free online converter translates Elm source code into Gleam in three simple steps.
- Step 1
Add your Elm code
Type, paste, or upload the Elm code you want to translate.
- Step 2
Convert the code
Click Convert to translate the source code into Gleam.
- Step 3
Review the result
Review, copy, or download the resulting Gleam code from the output editor.
Language comparison
Key differences between Elm and Gleam
| Characteristic | Elm | Gleam |
|---|---|---|
| Syntax | Clean, Haskell-inspired syntax focused on simplicity and readability for front-end development. | OCaml/ReasonML-inspired syntax, concise and designed for clarity, targeting the BEAM ecosystem. |
| Paradigm | Purely functional, enforces immutability and no side effects, designed for building reliable web apps. | Functional, with strong emphasis on immutability and pattern matching, designed for concurrent and fault-tolerant systems. |
| Typing | Static, strong type system with type inference, no null or runtime exceptions. | Static, strong type system with type inference, designed to catch errors at compile time. |
| Performance | Compiles to highly optimized JavaScript, fast for front-end applications. | Compiles to efficient Erlang or JavaScript code, leverages BEAM's concurrency and reliability. |
| Libraries and frameworks | Curated package ecosystem, limited but high-quality libraries focused on front-end development. | Growing ecosystem, can interoperate with Erlang and Elixir libraries, more options for back-end and distributed systems. |
| Community and support | Active but smaller community, strong focus on stability and beginner-friendliness. | Smaller and newer community, but growing interest due to BEAM compatibility. |
| Learning curve | Gentle learning curve for those new to functional programming, excellent documentation. | Moderate learning curve, especially for those familiar with BEAM or functional languages, documentation improving. |
Common questions
Frequently Asked Questions
How do I convert Elm to Gleam?
Paste your Elm code into the input box, confirm the languages are set to Elm and Gleam, and click Convert. CodeConvert AI analyzes your Elm code and generates equivalent Gleam code in seconds, preserving the original logic and structure.
What are the main differences between Elm and Gleam?
Elm and Gleam differ in syntax, type system, standard libraries, and common idioms, so copying code line for line usually will not compile. The converter maps each Elm construct to its closest Gleam equivalent. See the comparison table below for the key differences between Elm and Gleam.
Is the converted Gleam code accurate?
The AI produces high-quality Gleam code that preserves the behavior of your original Elm code and follows Gleam conventions. It handles common patterns, data structures, and idioms for both Elm and Gleam. For large or performance-critical code, review and test the Gleam output before using it in production.
Can I convert an entire Elm project to Gleam?
You can convert Elm 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 Elm to Gleam. Signing in for free raises the input limit to 25,000 characters per conversion for larger files.
Can I convert Gleam back to Elm?
Yes. CodeConvert AI converts in both directions, so you can convert Gleam to Elm just as easily using our Gleam to Elm converter. Try the Gleam to Elm Converter
Is the Elm to Gleam 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 Elm to Gleam 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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