JSONToTable

JSON to Ruby Converter

Convert JSON data to Ruby classes with attr_accessor and JSON support

JSON Input

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Ruby Output

Ruby code will appear here

Paste JSON in the input area to get started

How to Convert JSON to Ruby Classes - Step by Step Guide

Step 1

Input Your JSON Data

Start by adding your JSON data that needs to be converted to Ruby classes. The tool analyzes the structure to generate appropriate classes with attr_accessor methods.

Example: Try This JSON Data

Copy and paste this JSON example to see how it works: 💎

{
  "userId": 12345,
  "username": "rubyist",
  "email": "dev@rails.com",
  "isActive": true,
  "preferences": [
    "convention_over_configuration",
    "dont_repeat_yourself",
    "ruby_way"
  ],
  "profile": {
    "firstName": "Rails",
    "lastName": "Developer",
    "age": 30,
    "country": "Japan"
  }
}
Step 2

Configure Ruby Options

Customize how your JSON is converted to Ruby classes! ⚙️ Choose class names and method generation options.

•
attr_accessor: Generate attr_accessor methods for clean property access
•
JSON methods: Include to_json, to_h, and from_json methods for serialization
•
Nested classes: Handle complex JSON hierarchies with nested Ruby classes
Step 3

Get Generated Ruby Code

Watch the transformation! ✨ Your JSON structure becomes clean, idiomatic Ruby classes ready for Rails development.

Ruby Code Output

Your JSON becomes these Ruby classes:

require 'json'

class Profile
  attr_accessor :first_name, :last_name, :age, :country

  def initialize(data = {})
    @first_name = data['firstName']
    @last_name = data['lastName']
    @age = data['age']
    @country = data['country']
  end

  def to_h
    {
      'firstName' => @first_name,
      'lastName' => @last_name,
      'age' => @age,
      'country' => @country
    }
  end

  def to_json(*args)
    to_h.to_json(*args)
  end
end
Step 4

Copy or Download Ruby Code

Perfect! Now you can use your Ruby classes in your Rails applications for JSON processing. 🚀

•
Copy to clipboard for immediate use in your Ruby projects
•
Download .rb files for integration into your Rails application
•
Use with frameworks like Ruby on Rails and Sinatra
•
Rails applications and web development

What is JSON to Ruby Conversion? 💎

JSON to Ruby conversion transforms JSON data structures into Ruby classes with attr_accessor methods and JSON serialization support. This process analyzes JSON structure and generates Ruby classes that can serialize and deserialize JSON data, making it easy to work with APIs in Ruby and Rails applications.

Frequently Asked Questions

What Ruby features are generated for JSON handling?

The tool generates Ruby classes with attr_accessor methods, initialize methods that accept hash data, to_h and to_json methods for serialization, and proper instance variable assignments for clean object-oriented design.

Can I use the generated classes with Ruby on Rails?

Absolutely! The generated Ruby classes work perfectly with Rails applications, API integrations, and JSON serialization. They integrate seamlessly with Rails controllers, models, ActiveRecord, and JSON rendering in web applications.

How are nested JSON objects handled in Ruby?

Nested JSON objects become separate Ruby classes with proper relationships. The tool creates a class hierarchy that mirrors your JSON structure, with parent classes containing properties that reference child class instances.

What Ruby conventions are followed in the generated code?

The generated Ruby code follows Ruby conventions like snake_case for method and variable names, proper class naming (PascalCase), attr_accessor for property access, and idiomatic Ruby patterns for JSON serialization.

Can I use these classes with Ruby gems like ActiveModel?

Yes! The generated Ruby classes can be easily extended with ActiveModel modules for validations, serialization, and other Rails features. They provide a solid foundation for building robust Ruby applications.

Is the JSON to Ruby converter free to use?

Yes, completely free with no limitations on JSON complexity, class generation, or usage frequency. No registration required, and you can generate unlimited Ruby classes from JSON data at no cost.