JSON to Scala 3 (Circe Codec) Case Class Generator
Generate type-safe Scala case classes with automatic Circe deriveCodec decoders and encoders.
Execution runs 100% locally inside the browser sandbox using HTML5 Canvas, Web Cryptography Subtle API, and Web Workers. No data is ever transmitted across the network.
Zero network latency. Operates completely offline with zero dependencies on third-party backend servers or cloud services.
Built according to official RFC specifications, cryptographic test vectors, and enterprise-grade data transformation standards.
How to Use JSON to Scala 3 (Circe Codec) Case Class Generator
Paste your raw JSON into the editor.
Provide the root Scala case class name.
Copy or download the generated Scala models.
Frequently Asked Questions
Is Scala 3 supported?
Yes, the output adheres to Scala 2.13 and Scala 3 syntax with Circe 0.14+ semiauto codecs.
How are nested arrays handled?
Nested arrays of objects are extracted into separate strongly-typed case classes (e.g. ProfileItem).
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