Three simple steps
How to use this tool?
This free online converter translates COBOL source code into Delphi 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 Delphi.
- Step 3
Review the result
Review, copy, or download the resulting Delphi code from the output editor.
Language comparison
Key differences between COBOL and Delphi
| Characteristic | COBOL | Delphi |
|---|---|---|
| Syntax | Verbose and English-like syntax, designed for readability. | Pascal-based syntax, more concise and structured. |
| Paradigm | Procedural programming with some object-oriented features. | Object-oriented programming with strong support for components. |
| Typing | Strongly typed with fixed data types. | Strongly typed with dynamic typing capabilities. |
| Performance | Optimized for batch processing and large data handling. | High performance for GUI applications and system-level programming. |
| Libraries and frameworks | Limited modern libraries, primarily focused on business applications. | Rich set of libraries and frameworks for various application types. |
| Community and support | Smaller community, primarily in legacy systems and enterprise environments. | Active community with ongoing support and modern development resources. |
| Learning curve | Steeper learning curve for modern programming concepts. | Easier for beginners, especially those familiar with Pascal. |
Common questions
Frequently Asked Questions
How do I convert COBOL to Delphi?
Paste your COBOL code into the input box, confirm the languages are set to COBOL and Delphi, and click Convert. CodeConvert AI analyzes your COBOL code and generates equivalent Delphi code in seconds, preserving the original logic and structure.
What are the main differences between COBOL and Delphi?
COBOL and Delphi 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 Delphi equivalent. See the comparison table below for the key differences between COBOL and Delphi.
Is the converted Delphi code accurate?
The AI produces high-quality Delphi code that preserves the behavior of your original COBOL code and follows Delphi conventions. It handles common patterns, data structures, and idioms for both COBOL and Delphi. For large or performance-critical code, review and test the Delphi output before using it in production.
Can I convert an entire COBOL project to Delphi?
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 Delphi. Signing in for free raises the input limit to 25,000 characters per conversion for larger files.
Can I convert Delphi back to COBOL?
Yes. CodeConvert AI converts in both directions, so you can convert Delphi to COBOL just as easily using our Delphi to COBOL converter. Try the Delphi to COBOL Converter
Is the COBOL to Delphi 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 Delphi 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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