Generate type-safe Scala 3 & Scala 2 case classes with Circe / Play JSON compatibility.
Execution runs 100% locally inside the browser sandbox using HTML5 Canvas, Web Cryptography Subtle API, and Web Workers. Zero egress.
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.
Paste your raw JSON into the input workspace.
Specify the primary Scala model name.
Copy or download the generated .scala file.
Yes, the generated case classes are compatible with both Scala 2.13 and Scala 3.3 LTS.
Yes, null JSON properties map to Option[String].
Zero-egress companion tools in the Developer Tools suite
Format, validate, repair, and minify JSON data instantly.
Decode, verify claims, inspect headers, and check token expiry.
Test regex patterns with flags, group captures, and live matches.
Compare text or source code side-by-side with visual diffs.