Three simple steps
How to use this tool?
This free online converter translates F# source code into C# in three simple steps.
- Step 1
Add your F# code
Type, paste, or upload the F# code you want to translate.
- Step 2
Convert the code
Click Convert to translate the source code into C#.
- Step 3
Review the result
Review, copy, or download the resulting C# code from the output editor.
See it in action
Examples of F# to C# conversion
These examples show F# source code and the corresponding C# translation. Generated results can vary as AI models are updated.
Example 1
Is String Palindrome
Program that checks if a string is a palindrome or not.
F# code
C# code
Example 2
Even or Odd
A well commented function to check if a number if odd or even.
F# code
C# code
Language comparison
Key differences between F# and C#
| Characteristic | F# | C# |
|---|---|---|
| Syntax | F# has a functional-first syntax with support for imperative and object-oriented programming. | C# has a C-style syntax with support for imperative, object-oriented, and functional programming. |
| Paradigm | F# is a multi-paradigm language that supports functional, imperative, and object-oriented programming. | C# is a multi-paradigm language that supports imperative, object-oriented, and functional programming. |
| Typing | F# has static typing with type inference, allowing for concise code. | C# has static typing with explicit type declarations. |
| Performance | F# is known for its performance and can be highly optimized. | C# is also performant, but may require more optimization in certain cases. |
| Libraries and frameworks | F# has access to the .NET ecosystem and can use libraries and frameworks built for .NET. | C# has access to the extensive .NET ecosystem and a wide range of libraries and frameworks. |
| Community and support | F# has a smaller but dedicated community with active support from Microsoft. | C# has a large and active community with extensive support from Microsoft. |
| Learning curve | F# has a steeper learning curve due to its functional programming concepts. | C# has a relatively gentle learning curve, especially for developers familiar with C-style languages. |
Common questions
Frequently Asked Questions
How do I convert F# to C#?
Paste your F# code into the input box, confirm the languages are set to F# and C#, and click Convert. CodeConvert AI analyzes your F# code and generates equivalent C# code in seconds, preserving the original logic and structure.
What are the main differences between F# and C#?
F# and C# 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 C# equivalent. See the comparison table below for the key differences between F# and C#.
Is the converted C# code accurate?
The AI produces high-quality C# code that preserves the behavior of your original F# code and follows C# conventions. It handles common patterns, data structures, and idioms for both F# and C#. For large or performance-critical code, review and test the C# output before using it in production.
Can I convert an entire F# project to C#?
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 C#. Signing in for free raises the input limit to 25,000 characters per conversion for larger files.
Can I convert C# back to F#?
Yes. CodeConvert AI converts in both directions, so you can convert C# to F# just as easily using our C# to F# converter. Try the C# to F# Converter
Is the F# to C# 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 C# 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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