Run and test C# code online without installing anything. Enter your code, hit run, and see instant results in your browser.
Compile and run C# code instantly online
Rextester lets you write, compile, and run C# code directly in your web browser. There’s no need to set up any software or development environment—just type your code, select your language, and see the output right away.
This tool is perfect if you want to quickly test a code snippet, learn C# basics, or share sample code with others. Whether you’re a student, teacher, or developer, you can experiment with code on the fly and see instant results, making it a handy resource for coding practice and demonstration.
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