DevToolsBox

JSON to Go Struct Generator Online

Free online Go struct generator that maps JSON keys to tagged fields for backend handlers and DTOs.

Ad Space

Free online Go struct generator that maps JSON keys to tagged fields for backend handlers and DTOs.

How it works
This tool infers types and generates Go struct fields with JSON tags. It helps you quickly model API payloads in Go.
Example
Input:
{"id":1,"name":"Ana"}

Output:
type Root struct {
  ID   int    `json:"id"`
  Name string `json:"name"`
}
FAQ
How are optional fields handled?
Optional fields may be represented with pointers or omitempty tags depending on the generator behavior.
Will it handle nested objects?
Yes. Nested objects typically become nested structs or separate types.
Ad Space
Related Tools
← Back to all tools