How to use: JSON to Kotlin Data Class
JSON to Kotlin Data Class is a free online Data Conversion Tools tool that generate a Kotlin data class with nullable-aware types from a JSON sample instantly in your browser. Paste your data, adjust the options and get the result in real time — no installation, no sign-up, and nothing is ever uploaded to a server.
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Description
Generate a Kotlin data class with nullable-aware types from a JSON sample.
- Data Conversion Tools
- Because everything is computed client-side, JSON to Kotlin Data Class is safe to use with sensitive data such as API keys, tokens or private logs.
How to use
Using JSON to Kotlin Data Class takes three steps:
- Paste your data into the input box (or load the example).
- Configure the options to match your target format or scenario.
- Copy, download or inspect the output — it updates live as you type.
Run
Examples
Emits a Kotlin data class with Long/Double/String/Boolean types.
Input
{"id":42,"title":"Hello","tags":["a","b"],"active":true}
Output
data class Root(
val id: Long,
val title: String,
val tags: List<String>,
val active: Boolean
)
This output was produced by actually running the tool, not written by hand.
Use cases
Common situations where JSON to Kotlin Data Class helps:
- Generate a Kotlin data class with nullable-aware types from a JSON sample.
Parameters
This tool has no options — it works on the input alone.
FAQ
What is JSON to Kotlin Data Class?
JSON to Kotlin Data Class generate a Kotlin data class with nullable-aware types from a JSON sample. It runs entirely in your browser, so your data stays private.
Is JSON to Kotlin Data Class free to use?
Yes. JSON to Kotlin Data Class is free, unlimited and works without registration or installation.
Does my data get uploaded?
No. All processing happens locally in your browser; nothing is sent to any server.
Good to know
- Everything runs client-side, so extremely large inputs are limited by your browser tab’s memory rather than by a server upload limit.