How to use this tool?

This free online converter lets you convert code from COBOL to Swift in a click of a button. To use this converter, take the following steps -

  1. Type or paste your COBOL code in the input box.
  2. Click the convert button.
  3. The resulting Swift code from the conversion will be displayed in the output box.

Examples

The following are examples of code conversion from COBOL to Swift using this converter. Note that you may not always get the same code since it is generated by an AI language model which is not 100% deterministic and gets updated from time to time.

Example 1 - Is String Palindrome

Program that checks if a string is a palindrome or not.

COBOL

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Swift

Example 2 - Even or Odd

A well commented function to check if a number if odd or even.

COBOL

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Swift

Key differences between COBOL and Swift

CharacteristicCOBOLSwift
SyntaxCOBOL uses a verbose and English-like syntax.Swift uses a concise and modern syntax.
ParadigmCOBOL is primarily procedural and imperative.Swift is a multi-paradigm language, supporting both procedural and object-oriented programming.
TypingCOBOL is statically typed.Swift is statically typed with type inference.
PerformanceCOBOL is known for its efficiency and performance in handling large-scale business applications.Swift is designed for performance and is known for its speed.
Libraries and frameworksCOBOL has a limited number of libraries and frameworks available.Swift has a wide range of libraries and frameworks available, especially for iOS and macOS development.
Community and supportCOBOL has a smaller and more specialized community with limited support.Swift has a large and active community with extensive support from Apple and the developer community.
Learning curveCOBOL has a steep learning curve, especially for developers with no prior experience in mainframe programming.Swift has a relatively gentle learning curve, especially for developers familiar with modern programming languages.