API Model Forge

API Model Forge is a free MIT-licensed offline Windows developer utility by ALMARFELD. Load or paste JSON and generate C#, TypeScript, Kotlin, Python and Go models. v1.0.1 rejects duplicate keys/trailing malformed input and uses collision-safe identifiers and escaping. Copy or save generated files. Types are inferred from the sample, not a complete API contract: review them. Renamed Kotlin/Python JSON keys are recorded in comments; configure serializer mappings yourself. Go and C# preserve serialized names. Windows 10/11 x64 portable ZIP: extract fully and run APIModelForge.exe. Separate Microsoft Edge WebView2 Runtime required, not bundled or automatically installed. No accounts, uploads or telemetry. The executable is not Authenticode signed.

Features

Validate JSON with line and column error locations
Reject duplicate JSON keys and malformed trailing data
Infer nested objects, arrays and optional or nullable fields
Generate C#, TypeScript, Kotlin, Python and Go output
Allocate collision-safe identifiers and escape unusual names
Copy output or save generated files using a native dialog

Project Samples

API Model Forge v1.0.1 — actual application with synthetic demonstration data.

Project Activity

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License

MIT License

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