JSON Formatter for Go
Free online json formatter with Go code examples
Working with json formatter in Go? Our free online json formatter helps Go developers format, validate, and process data instantly. Below you will find Go code examples using encoding/json (built-in) so you can achieve the same result programmatically in your own projects.
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Open JSON FormatterGo Code Example
package main
import (
"encoding/json"
"fmt"
)
func main() {
raw := []byte(`{"name":"Alice","age":30}`)
var parsed interface{}
json.Unmarshal(raw, &parsed)
formatted, _ := json.MarshalIndent(parsed, "", " ")
fmt.Println(string(formatted))
}Quick Setup
Library: encoding/json (built-in)
// Built-in package — no installation neededGo Tips & Best Practices
- Use json.MarshalIndent for pretty-printed output
- Define structs with json tags for typed parsing
- Use json.Decoder for streaming large files