Three simple steps
How to use this tool?
This free online converter translates Gleam source code into F# 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 F#.
- Step 3
Review the result
Review, copy, or download the resulting F# code from the output editor.
Language comparison
Key differences between Gleam and F#
| Characteristic | Gleam | F# |
|---|---|---|
| Syntax | Clean, concise, and influenced by ML-family languages; designed for readability and simplicity. | ML-inspired syntax with .NET influences; more verbose and integrates with object-oriented constructs. |
| Paradigm | Purely functional, emphasizing immutability and no side effects. | Multi-paradigm: functional-first but supports object-oriented and imperative programming. |
| Typing | Statically typed with strong, sound type inference and no nulls. | Statically typed with type inference; supports .NET types and can interoperate with nullable types. |
| Performance | Compiles to Erlang BEAM or JavaScript; inherits performance characteristics of those runtimes. | Compiles to .NET Intermediate Language; benefits from .NET JIT and optimizations. |
| Libraries and frameworks | Smaller ecosystem; can use Erlang/Elixir libraries via interop, but fewer native libraries. | Large ecosystem via .NET; access to extensive libraries and frameworks for web, desktop, data, and more. |
| Community and support | Growing but small community; limited resources and support. | Established community; strong support from Microsoft and active open-source contributors. |
| Learning curve | Gentle for those familiar with functional programming; simple syntax aids beginners. | Moderate; functional concepts may be new to some, and .NET integration adds complexity. |
Common questions
Frequently Asked Questions
How do I convert Gleam to F#?
Paste your Gleam code into the input box, confirm the languages are set to Gleam and F#, and click Convert. CodeConvert AI analyzes your Gleam code and generates equivalent F# code in seconds, preserving the original logic and structure.
What are the main differences between Gleam and F#?
Gleam and F# 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 F# equivalent. See the comparison table below for the key differences between Gleam and F#.
Is the converted F# code accurate?
The AI produces high-quality F# code that preserves the behavior of your original Gleam code and follows F# conventions. It handles common patterns, data structures, and idioms for both Gleam and F#. For large or performance-critical code, review and test the F# output before using it in production.
Can I convert an entire Gleam project to F#?
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 F#. Signing in for free raises the input limit to 25,000 characters per conversion for larger files.
Can I convert F# back to Gleam?
Yes. CodeConvert AI converts in both directions, so you can convert F# to Gleam just as easily using our F# to Gleam converter. Try the F# to Gleam Converter
Is the Gleam to F# 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 F# 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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