Three simple steps
How to use this tool?
This free online converter translates F# source code into COBOL 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 COBOL.
- Step 3
Review the result
Review, copy, or download the resulting COBOL code from the output editor.
See it in action
Examples of F# to COBOL conversion
These examples show F# source code and the corresponding COBOL 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
COBOL code
Example 2
Even or Odd
A well commented function to check if a number if odd or even.
F# code
COBOL code
Language comparison
Key differences between F# and COBOL
| Characteristic | F# | COBOL |
|---|---|---|
| Syntax | F# has a concise and expressive syntax that is similar to OCaml. | COBOL has a verbose and English-like syntax. |
| Paradigm | F# is a multi-paradigm language that supports functional, imperative, and object-oriented programming. | COBOL is primarily an imperative programming language. |
| Typing | F# is a statically typed language with type inference. | COBOL is a statically typed language with explicit type declarations. |
| Performance | F# is known for its performance and can be highly optimized. | COBOL is not known for its performance and is generally slower compared to modern languages. |
| Libraries and frameworks | F# has a growing ecosystem of libraries and frameworks, including integration with .NET. | COBOL has limited libraries and frameworks compared to modern languages. |
| Community and support | F# has an active and supportive community with resources and forums available. | COBOL has a smaller and less active community compared to modern languages. |
| Learning curve | F# has a moderate learning curve, especially for developers familiar with functional programming concepts. | COBOL has a steep learning curve, especially for developers without prior experience in mainframe programming. |
Common questions
Frequently Asked Questions
How do I convert F# to COBOL?
Paste your F# code into the input box, confirm the languages are set to F# and COBOL, and click Convert. CodeConvert AI analyzes your F# code and generates equivalent COBOL code in seconds, preserving the original logic and structure.
What are the main differences between F# and COBOL?
F# and COBOL 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 COBOL equivalent. See the comparison table below for the key differences between F# and COBOL.
Is the converted COBOL code accurate?
The AI produces high-quality COBOL code that preserves the behavior of your original F# code and follows COBOL conventions. It handles common patterns, data structures, and idioms for both F# and COBOL. For large or performance-critical code, review and test the COBOL output before using it in production.
Can I convert an entire F# project to COBOL?
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 COBOL. Signing in for free raises the input limit to 25,000 characters per conversion for larger files.
Can I convert COBOL back to F#?
Yes. CodeConvert AI converts in both directions, so you can convert COBOL to F# just as easily using our COBOL to F# converter. Try the COBOL to F# Converter
Is the F# to COBOL 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 COBOL 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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