JSON to Scala Converter

Convert JSON data to Scala case classes

JSON Input

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Scala Output

Scala code will appear here

Paste JSON in the input area to get started

How to Convert JSON to Scala Case Classes - Step by Step Guide

Step 1

Input Your JSON Data

Start by adding your JSON data that needs to be converted to Scala case classes. The tool analyzes the structure to generate appropriate case classes with immutable properties.

Example: Try This JSON Data

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

{
  "userId": 12345,
  "username": "scaladev",
  "email": "dev@scala-lang.org",
  "isActive": true,
  "preferences": [
    "functional_programming",
    "immutability",
    "type_safety"
  ],
  "profile": {
    "firstName": "Scala",
    "lastName": "Developer",
    "age": 32,
    "country": "Switzerland"
  }
}
Step 2

Configure Scala Options

Customize how your JSON is converted to Scala case classes! ⚙️ Choose immutable properties and functional programming patterns.

Case classes: Generate immutable case classes with automatic equals, hashCode, and toString
JSON libraries: Compatible with Play JSON and Circe serialization
Nested classes: Handle complex JSON hierarchies with nested case classes
Type mapping: Automatic Scala type mapping from JSON data types
Step 3

Get Generated Scala Code

Watch the transformation! ✨ Your JSON structure becomes clean, functional Scala case classes ready for JVM applications.

Scala Code Output

Your JSON becomes these Scala case classes:

case class Profile(
  firstName: String,
  lastName: String,
  age: Int,
  country: String
)

case class Root(
  userId: Int,
  username: String,
  email: String,
  isActive: Boolean,
  preferences: List[String],
  profile: Profile
)
Step 4

Copy or Download Scala Code

Perfect! Now you can use your Scala case classes in your JVM applications for JSON processing. 🚀

Copy to clipboard for immediate use in your Scala projects
Download .scala files for integration into your SBT project
Use with frameworks like Play Framework and Akka
JVM applications and microservices

What is JSON to Scala Conversion? ⚡

JSON to Scala conversion transforms JSON data structures into Scala case classes with immutable properties for functional programming on the JVM. This process analyzes JSON structure and generates Scala case classes that can serialize and deserialize JSON data, making it easy to work with APIs in Scala applications.

The generated Scala case classes include proper field types, immutable val properties, and compatibility with JSON libraries like Play JSON and Circe, enabling type-safe JSON handling in Scala applications and microservices.

Frequently Asked Questions

What Scala features are generated for JSON handling?

The tool generates Scala case classes with immutable val properties, automatic equals/hashCode/toString methods, pattern matching support, and compatibility with JSON libraries like Play JSON and Circe for serialization.

Can I use the generated classes with Scala frameworks?

Absolutely! The generated Scala case classes work perfectly with Play Framework, Akka, Spray, and other Scala frameworks. They integrate seamlessly with HTTP services, actors, and JSON serialization in Scala applications.

How are nested JSON objects handled in Scala?

Nested JSON objects become separate Scala case classes with proper relationships. The tool creates a case class hierarchy that mirrors your JSON structure, with parent case classes containing properties of child case class types.

What Scala data types are used for JSON values?

JSON strings become Scala String, numbers become Int/Double, booleans become Boolean, arrays become List[T], and objects become custom case classes. The tool intelligently maps JSON types to appropriate Scala types.

Do the generated case classes support functional programming?

Yes! The case classes are immutable by default, support pattern matching, and work perfectly with Scala's functional programming features like map, flatMap, and for-comprehensions for data transformation.

Is the JSON to Scala converter free to use?

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