CSV to JSON Converter for Go

Free online csv to json converter with Go code examples

Working with csv to json converter in Go? Our free online csv to json converter helps Go developers format, validate, and process data instantly. Below you will find Go code examples using encoding/csv / encoding/json (built-in) so you can achieve the same result programmatically in your own projects.

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Go Code Example

package main

import (
    "encoding/csv"
    "encoding/json"
    "fmt"
    "strings"
)

func main() {
    data := "name,age,city\nAlice,30,New York\nBob,25,London"
    reader := csv.NewReader(strings.NewReader(data))
    records, _ := reader.ReadAll()
    headers := records[0]
    var result []map[string]string
    for _, row := range records[1:] {
        entry := map[string]string{}
        for i, val := range row {
            entry[headers[i]] = val
        }
        result = append(result, entry)
    }
    out, _ := json.MarshalIndent(result, "", "  ")
    fmt.Println(string(out))
}

Quick Setup

Library: encoding/csv / encoding/json (built-in)
// Built-in packages — no installation needed

Go Tips & Best Practices

  • csv.NewReader handles RFC 4180 compliant CSV
  • Use reader.ReadAll() for small files, Read() for streaming
  • Set reader.Comma for custom delimiters (e.g., tabs)

Frequently Asked Questions

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