JSON Input

Scala Output

What is JSON to Scala Converter?

Need Scala case classes from your JSON? This tool converts your JSON (JavaScript Object Notation) data into Scala case classes. Perfect for Scala developers working with Play Framework, Akka, or Spark who need to deserialize JSON into strongly-typed Scala objects.

According to Scala documentation, case classes are perfect for JSON processing. Our converter analyzes your JSON structure and generates proper Scala case classes with Option types and Scala best practices.

Everything happens in your browser – your data stays private. Generate, copy, and use your Scala case classes right away in your projects. Check out the JSON specification for more details.

How to Use JSON to Scala

Follow these steps to generate Scala case classes from JSON. Each step uses the actual buttons and panels on this page.

Paste JSON or Upload File

Paste your JSON into the left JSON Input panel, or click Upload to load a file. Click Sample to see an example. Example input:

{"subscriberId": "SUB-1001", "plan": "Unlimited 5G", "dataUsage": 45.2, "status": "active"}

Configure class name and options (case class, Option types) if needed. Nested objects become separate case classes; arrays become List[T].

View Generated Scala Case Classes

The right Scala Output panel shows the generated case classes instantly. JSON objects become case classes, arrays become List[T]. Both panels use syntax highlighting.

Download or Copy

Click Download to save as a .scala file, or Copy to copy to your clipboard. Use Clear on the input panel to start over. All processing runs in your browser.

When You'd Actually Use This

Play Framework

Generate Scala case classes from JSON API responses for Play Framework. Create models for REST APIs or JSON-based configurations with Play's built-in JSON support.

Akka Applications

Create Scala case classes from JSON data for Akka applications. Generate data models for JSON-based message passing or configurations in actor-based systems.

Apache Spark

Generate Scala case classes from JSON data for Apache Spark applications. Create data models for JSON-based data processing pipelines.

Code Generation

Save time by generating Scala case classes automatically instead of writing them manually. Especially useful for complex nested JSON structures from API responses or configuration files.

Common Questions

Is my JSON data stored?

Nope. Everything happens right in your browser. Your JSON never leaves your computer – we don't even see it. Check out the ECMA-404 standard for more details.

How are JSON objects handled?

JSON objects become Scala case classes. Properties become case class fields, and nested objects become nested case classes. Arrays become List[T] where T is the generated case class.

Can I use the generated Scala code?

Yes. The generated Scala code is valid and ready to use. Drop it into your Scala project and start using it. You may want to add JSON codecs using Circe, Play JSON, or uPickle for serialization.

What about JSON serialization?

The generated case classes work with Circe, Play JSON, or uPickle for JSON serialization. You may need to add implicit encoders/decoders for custom serialization.

What Scala version is supported?

The generated code is compatible with Scala 2.11 and later, including Scala 3. It uses standard case class features and follows Scala naming conventions.

Does it work with large JSON files?

Yes. Since everything happens in your browser, performance depends on your device. Small to medium JSON structures convert instantly. Very large or deeply nested structures might take a moment.

Other Code Generation Tools

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