How do I use a json formatter in Go?

Go provides built-in or community packages for json formatter functionality. See the code example above for a production-ready pattern you can copy into your project.

Is there a recommended json formatter library for Go?

Yes. The code example above shows the most widely-used approach in the Go ecosystem. For client-side use cases, you can also use DevToolHQ's online json formatter at devtoolhq.com/tools/json-formatter.

Can I use DevToolHQ's json formatter with Go?

Absolutely. DevToolHQ's json formatter runs 100% client-side in your browser, making it perfect for quick debugging during Go development. No data is sent to any server.

Last updated: April 13, 2026

JSON Formatter for Go Developers

Quick Answer

DevToolHQ's json formatter works great alongside Go. Use it to quickly json formatter during development, then integrate the pattern into your Go codebase using the code example below.

Use Cases in Go

1.Format API responses in Go for debugging
2.Pretty-print configuration files
3.Validate JSON payloads from webhooks
4.Debug REST API request/response bodies

Go Code Example

package main

import (
    "encoding/json"
    "fmt"
    "os"
)

type User struct {
    ID   int    `json:"id"`
    Name string `json:"name"`
}

func main() {
    data := map[string]any{"users": []User{{1, "Alice"}}}

    // Pretty-print JSON
    enc := json.NewEncoder(os.Stdout)
    enc.SetIndent("", "  ")
    enc.Encode(data)

    // Marshal to string
    b, _ := json.MarshalIndent(data, "", "  ")
    fmt.Println(string(b))
}

Try the tool directly

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Open Json Formatter

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