Three simple steps
How to use this tool?
This free online converter translates C# source code into Objective-C in three simple steps.
- Step 1
Add your C# code
Type, paste, or upload the C# code you want to translate.
- Step 2
Convert the code
Click Convert to translate the source code into Objective-C.
- Step 3
Review the result
Review, copy, or download the resulting Objective-C code from the output editor.
See it in action
Examples of C# to Objective-C conversion
These examples show C# source code and the corresponding Objective-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.
C# code
Objective-C code
Example 2
Even or Odd
A well commented function to check if a number if odd or even.
C# code
Objective-C code
Language comparison
Key differences between C# and Objective-C
| Characteristic | C# | Objective-C |
|---|---|---|
| Syntax | C# has a C-like syntax with curly braces and semicolons. | Objective-C has a Smalltalk-like syntax with square brackets and semicolons. |
| Paradigm | C# supports multiple paradigms including object-oriented, imperative, and functional programming. | Objective-C is primarily an object-oriented programming language. |
| Typing | C# is a statically typed language with strong type checking. | Objective-C is a dynamically typed language with weak type checking. |
| Performance | C# is known for its performance and is often used for high-performance applications. | Objective-C is generally considered to have good performance. |
| Libraries and frameworks | C# has a wide range of libraries and frameworks available, including the .NET framework. | Objective-C has a smaller ecosystem of libraries and frameworks compared to C#. |
| Community and support | C# has a large and active community with extensive support and resources. | Objective-C has a smaller community compared to C#, but still has support and resources available. |
| Learning curve | C# has a moderate learning curve, especially for developers familiar with C-like languages. | Objective-C has a steeper learning curve, especially for developers new to the language. |
Common questions
Frequently Asked Questions
How do I convert C# to Objective-C?
Paste your C# code into the input box, confirm the languages are set to C# and Objective-C, and click Convert. CodeConvert AI analyzes your C# code and generates equivalent Objective-C code in seconds, preserving the original logic and structure.
What are the main differences between C# and Objective-C?
C# and Objective-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 C# construct to its closest Objective-C equivalent. See the comparison table below for the key differences between C# and Objective-C.
Is the converted Objective-C code accurate?
The AI produces high-quality Objective-C code that preserves the behavior of your original C# code and follows Objective-C conventions. It handles common patterns, data structures, and idioms for both C# and Objective-C. For large or performance-critical code, review and test the Objective-C output before using it in production.
Can I convert an entire C# project to Objective-C?
You can convert C# 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 C# to Objective-C. Signing in for free raises the input limit to 25,000 characters per conversion for larger files.
Can I convert Objective-C back to C#?
Yes. CodeConvert AI converts in both directions, so you can convert Objective-C to C# just as easily using our Objective-C to C# converter. Try the Objective-C to C# Converter
Is the C# to Objective-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 C# to Objective-C 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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