JSON TO GO
JSON to Go Struct
Paste JSON, get Go structs instantly. Supports nested objects, omitempty, and inline examples.
Paste JSON, get Go structs instantly. Supports nested objects, omitempty, and inline examples.
Go (Golang) is a popular language for backend development and cloud-native applications. Working with JSON in Go requires defining struct types first, which can be tedious for complex JSON structures. This tool automatically generates Go struct definitions from JSON, saving you hours of manual typing.
Building API clients that consume third-party JSON responses. Writing unit tests with mock data structures. Learning Go and understanding JSON serialization patterns. Quickly prototyping data models for new projects.
Paste your JSON data in the input box. Set options like struct name, omitempty tags, and pointer types. Click Convert to generate the Go struct code. The generated code includes proper json tags and can be copied directly into your Go project. Nested objects automatically become nested struct definitions.
omitempty is a JSON tag option in Go that tells the encoder to skip the field if it has a zero value (empty string, 0, false, nil). This is useful for optional fields but can cause issues with required fields where zero is a valid value.
In Go, fields starting with capital letters are exported (public) and can be accessed by the json package. Lowercase fields are unexported (private) and will be ignored by JSON serialization. This is why all generated struct fields start with capital letters.
JSON arrays are converted to Go slices ([]Type). If the array contains objects, a nested struct is generated for the element type. Mixed-type arrays will use []interface{}.
Null values in JSON are ambiguous - they could be any type. By default, they're generated as interface{}. If you know the expected type, you should manually change it to the specific type or use a pointer type.