JSON to Go Converter

Reference

Why convert JSON to Go structs?

Go uses statically typed structs to work with JSON data. The encoding/json package marshals and unmarshals JSON to and from Go structs using struct tags. Writing these structs manually for complex API responses is tedious and error-prone. This tool analyzes your JSON structure and generates idiomatic Go code with properly exported field names (PascalCase), correct Go types (string, int64, float64, bool, nested structs, slices), and json:"fieldName" struct tags for accurate serialization.

Go struct tags and options

Go struct tags control JSON serialization behavior. The json:"name" tag maps a Go field to a JSON key name. The omitempty option (json:"name,omitempty") omits the field from JSON output when it has its zero value — empty strings, zero numbers, false booleans, nil pointers, and empty slices/maps. This is useful for API requests where you only want to send fields that have been explicitly set. The converter detects nullable fields (JSON null values) and uses pointer types (*string, *int64) so they can represent the absence of a value.

Privacy

All conversion runs 100% in your browser. No JSON data is sent to any server.