F# logo

Free F# to Elm Converter

Elm logo

How to use this tool?

This free online converter lets you convert code from F# to Elm in a click of a button. To use this converter, take the following steps -

  1. Type or paste your F# code in the input box.
  2. Click the convert button.
  3. The resulting Elm code from the conversion will be displayed in the output box.

Examples

The following are examples of code conversion from F# to Elm using this converter. Note that you may not always get the same code since it is generated by an AI language model which is not 100% deterministic and gets updated from time to time.

Example 1 - Is String Palindrome

Program that checks if a string is a palindrome or not.

F#

right arrow

Elm

Example 2 - Even or Odd

A well commented function to check if a number if odd or even.

F#

right arrow

Elm

Key differences between F# and Elm

CharacteristicF#Elm
SyntaxF# has a syntax similar to OCaml and supports functional programming.Elm has a syntax inspired by Haskell and focuses on simplicity and readability.
ParadigmF# supports functional, imperative, and object-oriented programming paradigms.Elm is a purely functional programming language.
TypingF# is a statically typed language with type inference.Elm is a statically typed language with strong type inference.
PerformanceF# is known for its performance and can interoperate with existing .NET libraries.Elm focuses on performance and generates highly optimized JavaScript code.
Libraries and frameworksF# has access to a wide range of libraries and frameworks from the .NET ecosystem.Elm has a smaller ecosystem but provides its own set of libraries and frameworks.
Community and supportF# has an active community and is supported by Microsoft.Elm has a growing community and is supported by the Elm core team.
Learning curveF# has a moderate learning curve, especially for developers familiar with functional programming.Elm has a gentle learning curve and is designed to be beginner-friendly.

Frequently Asked Questions

How do I convert F# to Elm?

Paste your F# code into the input box, confirm the languages are set to F# and Elm, and click Convert. CodeConvert AI analyzes your F# code and generates equivalent Elm code in seconds, preserving the original logic and structure.

What are the main differences between F# and Elm?

F# and Elm differ in syntax, type system, standard libraries, and common idioms, so copying code line for line usually will not compile. The converter maps each F# construct to its closest Elm equivalent. See the comparison table below for the key differences between F# and Elm.

Is the converted Elm code accurate?

The AI produces high-quality Elm code that preserves the behavior of your original F# code and follows Elm conventions. It handles common patterns, data structures, and idioms for both F# and Elm. For large or performance-critical code, review and test the Elm output before using it in production.

Can I convert an entire F# project to Elm?

You can convert F# 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 F# to Elm. Signing in for free raises the input limit to 25,000 characters per conversion for larger files.

Can I convert Elm back to F#?

Yes. CodeConvert AI converts in both directions, so you can convert Elm to F# just as easily using our Elm to F# converter. Try the Elm to F# Converter

Is the F# to Elm 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 F# to Elm 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.