JSON Formatter for Ruby

Free online json formatter with Ruby code examples

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

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Ruby Code Example

require 'json'

data = '{"name":"Alice","age":30}'
parsed = JSON.parse(data)
formatted = JSON.pretty_generate(parsed)
puts formatted

Quick Setup

Library: json (built-in)
# Built-in library — no installation needed

Ruby Tips & Best Practices

  • Use JSON.pretty_generate for formatted output
  • JSON.parse returns a Hash by default
  • Use symbolize_names: true for symbol keys

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