Share C# code with CodeThis

What you get

• C#-aware syntax highlighting via CodeMirror
• Instant shareable link — no signup required
• Optional expiration (7 days, 30 days, permanent)
• Password protection for private pastes
• Works with the REST API and MCP server
• Rich markdown and MDC components alongside code

Common use cases for C# pastes

• ASP.NET controllers
• LINQ one-liners
• Minimal API samples
• Unity component examples

Example

record Shape(double Width, double Height);

static double Area(Shape s) => s switch {
    { Width: 0 } or { Height: 0 } => 0,
    _ => s.Width * s.Height
};