CSV to JSON Converter for Ruby

Free online csv to json converter with Ruby code examples

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

Try the CSV to JSON Converter Online

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Open CSV to JSON

Ruby Code Example

require 'csv'
require 'json'

csv_data = "name,age,city\nAlice,30,New York\nBob,25,London"
rows = CSV.parse(csv_data, headers: true).map(&:to_h)
puts JSON.pretty_generate(rows)

Quick Setup

Library: csv / json (built-in)
# Built-in libraries — no installation needed

Ruby Tips & Best Practices

  • CSV.parse with headers: true returns a CSV::Table
  • Use CSV.foreach for memory-efficient file reading
  • map(&:to_h) converts each CSV::Row to a Hash

Frequently Asked Questions

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