JSON to Go Struct

Generate Go structs or a Root type alias with exported, unique field names and JSON tags. Mixed arrays and null use json.RawMessage; objects with keys that cannot be represented safely by struct tags use map[string]json.RawMessage.

Json To Go Struct · Client runtimeSandboxed
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About this json to go struct

Generate Go structs or a Root type alias with exported, unique field names and JSON tags. Mixed arrays and null use json.RawMessage; objects with keys that cannot be represented safely by struct tags use map[string]json.RawMessage Transforms and validates developer data structures locally, preventing confidential payload exposure during data wrangling.

Syntax parsing & data transformation logic

Performs semantic analysis on dynamic structured data (JSON, YAML) to synthesize statically typed code definitions across TypeScript (interfaces, types), Zod (runtime validation schemas), Python (Pydantic v2 BaseModels, Dataclasses), Go (structs with json tags), and Rust (serde structs). The type inference engine scans array elements to infer union types, detects optional fields by comparing presence across multiple objects, resolves snake_case/camelCase identifier mappings, and normalizes reserved keyword conflicts.

Worked conversion & output example

Scenario: Go: Generate a model for the displayed object and retain every original property.

Sample input:

{"id":1,"name":"Ada"}

Processing: Infer types from the JSON sample and emit Go source code. This page does not run the target compiler or library; validate the generated code and sample in your own target environment.

Illustrative output:

type Root struct { Id int64 "json:\"id\"" Name string "json:\"name\"" }

Syntax constraints & input size limits

Accepts JSON text up to 1,000,000 UTF-16 code units and 100 nesting levels; output is limited to 8,388,608 code units. Invalid syntax, duplicate keys, invalid Unicode, unsafe integer values, overflow, underflow and decimal precision loss are rejected. Quote exact large numbers as strings. Dates remain strings. Inference describes the supplied sample, not every possible API response. Place the declarations in a Go package and decode JSON into Root with encoding/json. Integers use int64; decimal or exponent tokens use float64. RawMessage preserves untyped JSON but does not enforce its inferred shape. No BSON tags are generated; standard Go decoding permits unknown object fields.

Data conversions and formatting in JSON to Go Struct reflect standard structured syntax. Verify parsed outputs against your target runtime before deployment.

Local client execution boundary

Data parsing and transformations in JSON to Go Struct execute in the local browser tab without remote data transmission.

Data format specifications & language standards

Data interchange formats and language grammar specifications:

JSON to Go Struct verification · Audit standards

How to use it

  1. Paste one complete JSON value or load the sample.
  2. Run locally to generate code, then copy the complete result.
  3. Compile or validate the code in your target project and review inferred types before use.

Frequently asked questions

What exact Go Root struct does this page emit from the sample?+

Field names are Pascal-cased and keep original JSON names in tags. Heterogeneous values can require json.RawMessage rather than a precise struct field.

How are JSON names and value types represented in this Go Root struct?+

Exported Id, Name and Active fields with json tags and int64/bool/string types.

What inference boundary applies to Go Root struct output?+

The page emits text only; it does not run gofmt, compile Go, or prove that one sample covers future payloads.

Does Go Root struct generation execute or upload the generated language?+

Generation runs locally in the browser as text transformation; it does not execute, compile, or upload the generated Go Root struct. Ordinary page resource requests remain separate.