Propcorn — JSON → C#

Instantly convert JSON to C# classes. Use as a popup or pin to the Chrome sidebar.

Tired of manually writing C# classes from JSON? Propcorn does it in seconds. Paste any JSON — from an API response, Swagger doc, Postman, or a webpage — and Propcorn instantly generates clean, ready-to-use C# POCO classes. No tab switching. No copying to a website. Just paste and copy. **What Propcorn generates:** • Nested classes from nested objects • List<T> from JSON arrays • DateTime detection from ISO 8601 date strings • Guid detection from UUID strings • Proper int, long, double, bool, string types • PascalCase property names from any casing **Features:** • Works as a popup or pin it to the Chrome sidebar for always-on access • Auto-generates as you type • Syntax-highlighted C# output • One-click copy to clipboard • Right-click any selected JSON on any webpage to generate instantly • Format JSON before generating • Generation history — revisit your last 10 conversions • Drag to resize the input and output panels • Ctrl+Enter keyboard shortcut **Perfect for:** • .NET and ASP.NET Core developers • Anyone consuming REST APIs in C# • Developers working with JSON config files • Teams using Entity Framework who need model scaffolding Built by a developer, for developers. No account required. No data leaves your browser. Everything runs locally.