Propcorn — JSON → C#

About

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.