Three simple steps
How to use this tool?
This free online converter translates COBOL source code into Python 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 Python.
- Step 3
Review the result
Review, copy, or download the resulting Python code from the output editor.
See it in action
Examples of COBOL to Python conversion
These examples show COBOL source code and the corresponding Python 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
Python code
Example 2
Even or Odd
A well commented function to check if a number if odd or even.
COBOL code
Python code
Language comparison
Key differences between COBOL and Python
| Characteristic | COBOL | Python |
|---|---|---|
| Syntax | COBOL has a verbose and complex syntax with a focus on readability and English-like statements. | Python has a simple and concise syntax with a focus on readability and indentation-based block structure. |
| Paradigm | COBOL is primarily procedural and imperative, with limited support for object-oriented programming. | Python supports multiple paradigms including procedural, object-oriented, and functional programming. |
| Typing | COBOL is statically typed, requiring explicit declaration of data types. | Python is dynamically typed, allowing variables to hold values of any type. |
| Performance | COBOL is known for its efficiency and performance in handling large-scale business applications. | Python is generally slower than COBOL due to its interpreted nature, but it offers high-level abstractions and productivity. |
| Libraries and frameworks | COBOL has a limited number of libraries and frameworks available, mainly focused on business applications. | Python has a vast ecosystem of libraries and frameworks for various purposes, including web development, data analysis, and machine learning. |
| Community and support | COBOL has a smaller and more specialized community with limited online resources and support. | Python has a large and active community with extensive online resources, forums, and support. |
| Learning curve | COBOL has a steeper learning curve due to its complex syntax and limited availability of learning resources. | Python has a relatively gentle learning curve, making it beginner-friendly with plenty of learning resources and tutorials available. |
Common questions
Frequently Asked Questions
How do I convert COBOL to Python?
Paste your COBOL code into the input box, confirm the languages are set to COBOL and Python, and click Convert. CodeConvert AI analyzes your COBOL code and generates equivalent Python code in seconds, preserving the original logic and structure.
What are the main differences between COBOL and Python?
COBOL and Python 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 Python equivalent. See the comparison table below for the key differences between COBOL and Python.
Is the converted Python code accurate?
The AI produces high-quality Python code that preserves the behavior of your original COBOL code and follows Python conventions. It handles common patterns, data structures, and idioms for both COBOL and Python. For large or performance-critical code, review and test the Python output before using it in production.
Can I convert an entire COBOL project to Python?
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 Python. Signing in for free raises the input limit to 25,000 characters per conversion for larger files.
Can I convert Python back to COBOL?
Yes. CodeConvert AI converts in both directions, so you can convert Python to COBOL just as easily using our Python to COBOL converter. Try the Python to COBOL Converter
Is the COBOL to Python 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 Python without an account for up to 2 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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