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JSON to Kotlin Class

Generate a Kotlin data class from JSON.

Input
Output

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About JSON to Kotlin Class

JSON to Kotlin Class is a free, fast and reliable online tool. Generate a Kotlin data class from JSON. Try it with "{ name : John , age :30}". Everything runs locally in your browser — no files are uploaded and no data is stored, keeping your information completely private. It works responsively on both desktop and mobile devices.

How to use JSON to Kotlin Class

  1. 1 Paste or type your content in the input box
  2. 2 Try the sample "{ name : John , age :30}" to see how it works
  3. 3 The result updates automatically in real time
  4. 4 Click "Copy" to copy the output

Frequently asked questions

What can I do with JSON to Kotlin Class?

Generate a Kotlin data class from JSON. Try it with "{ name : John , age :30}".

Is JSON to Kotlin Class free to use?

Yes — JSON to Kotlin Class is a free online tool. No sign-up or login is required, and there are no hidden charges or usage limits.

Do I need to create an account to use JSON to Kotlin Class?

No. JSON to Kotlin Class runs entirely online in your browser — there is no account to create, no login, and nothing to install.

Does JSON to Kotlin Class upload my data?

No. Everything runs locally in your browser. Your input never leaves your device, is never stored, and is never tracked, so it stays private.

Free, online, and private

Free to use

JSON to Kotlin Class is completely free. There is no account to create, no login, and no hidden charge or usage limit.

Runs online in your browser

It is a free online tool that runs entirely in your browser. Nothing to download or install — open the page and start using it right away.

Your data stays private

All processing happens locally on your device. Your input is never uploaded, stored, or tracked, so it never leaves your browser.

Share & embed this tool

Writing a guide or article? You are welcome to link to JSON to Kotlin Class with the snippet below. It is free, runs entirely in your browser, and needs no signup.