Develop, compile and test C# applications right in your browser — no Visual Studio installation required
.NET Developers
Test code snippets and prototypes without setting up a local development environment. The perfect tool for experimenting with new C# language features.
Students
Learn C# and .NET without installing bulky IDEs. Complete assignments, experiment with code, and get instant results as you learn.
Educators
Run interactive sessions and demonstrate programming concepts in C# without additional software. Easily share working examples with your students.
Modern tools for effective C# and .NET development right in your browser
Develop using the capabilities of the newest .NET versions, including .NET 6, 7, and 8.
Automatic code formatting and C# syntax highlighting for more comfortable and efficient development.
Access to popular NuGet packages and standard .NET libraries to extend your code's functionality.
Instant detection and detailed description of compilation errors for quick troubleshooting.
Full support for C# language features including LINQ queries, lambda expressions, and async/await patterns.
Complete support for console input/output for interactive engagement with your applications.
Modern servers ensure fast compilation and execution of your C# programs without delays or lag.
Automatic saving of your projects and access to change history for hassle-free development.
Isolated environment for safe code execution and protection against malicious programs.
Learn the C# programming language with trusted resources and authoritative sources.
No installation, no registration — just open the compiler and start writing code
Run Code in C# Compiler