Three simple steps
How to use this tool?
This free online converter translates COBOL source code into C in three simple steps.
- Step 1
Add your COBOL code
Type, paste, or upload the COBOL 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 COBOL to C conversion
These examples show COBOL 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.
COBOL code
C code
Example 2
Even or Odd
A well commented function to check if a number if odd or even.
COBOL code
C code
Language comparison
Key differences between COBOL and C
| Characteristic | COBOL | C |
|---|---|---|
| Syntax | COBOL uses a verbose and English-like syntax. | C uses a concise and low-level syntax. |
| Paradigm | COBOL is primarily procedural and imperative. | C is a procedural and imperative language, but also supports some object-oriented features. |
| Typing | COBOL is statically typed. | C is statically typed. |
| Performance | COBOL is optimized for business applications and may have slower performance compared to C. | C is a low-level language and can be highly optimized for performance. |
| Libraries and frameworks | COBOL has a limited number of libraries and frameworks available. | C has a wide range of libraries and frameworks available. |
| Community and support | COBOL has a smaller community and limited support compared to C. | C has a large and active community with extensive support. |
| Learning curve | COBOL has a steeper learning curve due to its verbose syntax and specific use cases. | C has a moderate learning curve, especially for beginners. |
Common questions
Frequently Asked Questions
How do I convert COBOL to C?
Paste your COBOL code into the input box, confirm the languages are set to COBOL and C, and click Convert. CodeConvert AI analyzes your COBOL code and generates equivalent C code in seconds, preserving the original logic and structure.
What are the main differences between COBOL and C?
COBOL 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 COBOL construct to its closest C equivalent. See the comparison table below for the key differences between COBOL and C.
Is the converted C code accurate?
The AI produces high-quality C code that preserves the behavior of your original COBOL code and follows C conventions. It handles common patterns, data structures, and idioms for both COBOL and C. For large or performance-critical code, review and test the C output before using it in production.
Can I convert an entire COBOL project to C?
You can convert COBOL 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 COBOL 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 COBOL?
Yes. CodeConvert AI converts in both directions, so you can convert C to COBOL just as easily using our C to COBOL converter. Try the C to COBOL Converter
Is the COBOL 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 COBOL 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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