Three simple steps
How to use this tool?
This free online converter translates C# source code into JavaScript 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 JavaScript.
- Step 3
Review the result
Review, copy, or download the resulting JavaScript code from the output editor.
See it in action
Examples of C# to JavaScript conversion
These examples show C# source code and the corresponding JavaScript 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
JavaScript code
Example 2
Even or Odd
A well commented function to check if a number if odd or even.
C# code
JavaScript code
Language comparison
Key differences between C# and JavaScript
| Characteristic | C# | JavaScript |
|---|---|---|
| Syntax | C# has a syntax similar to C++ and Java, with curly braces and semicolons to denote code blocks and statements. | JavaScript has a syntax similar to C, with curly braces and semicolons to denote code blocks and statements. However, it also has some unique features such as dynamic typing and closures. |
| Paradigm | C# supports both object-oriented and functional programming paradigms. | JavaScript supports multiple programming paradigms, including object-oriented, functional, and imperative programming. |
| Typing | C# is a statically typed language, meaning that variable types are determined at compile time. | JavaScript is a dynamically typed language, meaning that variable types are determined at runtime. |
| Performance | C# is generally considered to be a high-performance language, with efficient memory management and fast execution times. | JavaScript is generally considered to be a lower-performance language, due to its dynamic typing and interpreted nature. However, it can still be optimized for performance in certain use cases. |
| Libraries and frameworks | C# has a wide range of libraries and frameworks available, including .NET, ASP.NET, and Xamarin. | JavaScript has a vast ecosystem of libraries and frameworks, including React, Angular, and Node.js. |
| Community and support | C# has a large and active community, with many resources available for learning and troubleshooting. | JavaScript has one of the largest and most active communities of any programming language, with a wealth of resources available for learning and support. |
| Learning curve | C# has a moderate learning curve, with a syntax that is similar to other popular programming languages. | JavaScript has a relatively low learning curve, due to its simple syntax and widespread use in web development. |
Common questions
Frequently Asked Questions
How do I convert C# to JavaScript?
Paste your C# code into the input box, confirm the languages are set to C# and JavaScript, and click Convert. CodeConvert AI analyzes your C# code and generates equivalent JavaScript code in seconds, preserving the original logic and structure.
What are the main differences between C# and JavaScript?
C# and JavaScript 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 JavaScript equivalent. See the comparison table below for the key differences between C# and JavaScript.
Is the converted JavaScript code accurate?
The AI produces high-quality JavaScript code that preserves the behavior of your original C# code and follows JavaScript conventions. It handles common patterns, data structures, and idioms for both C# and JavaScript. For large or performance-critical code, review and test the JavaScript output before using it in production.
Can I convert an entire C# project to JavaScript?
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 JavaScript. Signing in for free raises the input limit to 25,000 characters per conversion for larger files.
Can I convert JavaScript back to C#?
Yes. CodeConvert AI converts in both directions, so you can convert JavaScript to C# just as easily using our JavaScript to C# converter. Try the JavaScript to C# Converter
Is the C# to JavaScript 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 JavaScript 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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