JSON to Go Struct

Generate Go struct definitions from JSON data. Create idiomatic Golang structs with json tags, proper naming conventions, and type inference.

Input JSON

Paste your JSON data
🔧 All JSON Tools

Go Struct Output

Golang struct definition

Features

🐹 Idiomatic Go Code

  • PascalCase struct and field names
  • Proper json struct tags
  • Correct Go type inference
  • Nested struct generation

⚡ Smart Type Detection

  • int64 vs float64 detection
  • Nested object handling
  • Array type inference
  • time.Time for dates (optional)

🎯 Production Ready

  • omitempty for optional fields
  • Pointer types support
  • Package declaration
  • Ready for json.Unmarshal

Go Struct Guide

Go JSON Struct Tags

Go uses struct tags to control JSON serialization. The json tag specifies the JSON field name, and omitempty excludes zero-value fields from the output. 

type User struct {
    ID    int64  `json:"id"`
    Name  string `json:"name"`
    Email string `json:"email,omitempty"`
}