Is JSON to Kotlin Data Class Converter free to use?

Yes, JSON to Kotlin Data Class Converter on SarmoTools is completely free. All processing happens in your browser — no sign-up, no data collection, no server uploads.

JSON to Kotlin Data Class

Convert your JSON objects into idiomatic Kotlin data classes. Automatically handles primitive types, nested objects, and List mapping with null-safety.

JSON Input

Kotlin Output (Data Classes)

What is JSON to Kotlin Data Class Converter?

Free online JSON to Kotlin converter. Instantly transform your JSON objects into strongly-typed Kotlin data classes with Null-Safety right in your browser.

How to use this tool?

Our JSON to Kotlin Data Class Converter works entirely in your browser. All processing is done client-side, meaning your data never leaves your computer. Simply input your content, and the tool will provide instant results with premium accuracy.

Key Features

100% Private: Data stays in your browser.
Lightning Fast: Instant results as you type.
Zero Cost: Free to use forever.