How to use: JSON to Java Record
JSON to Java Record is a free online Data Conversion Tools tool that generate a Java record with boxed types and snake_case field names 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.
Description
Generate a Java record with boxed types and snake_case field names from a JSON sample.
- Data Conversion Tools
- Because everything is computed client-side, JSON to Java Record is safe to use with sensitive data such as API keys, tokens or private logs.
How to use
Using JSON to Java Record 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
Field names are snake_cased and primitive types are boxed for use in a record component list.
Input
{"id":42,"title":"Hello","tags":["a","b"],"active":true}
Output
public record Root(
long id,
String title,
List<String> tags,
boolean active
) {}
This output was produced by actually running the tool, not written by hand.
Use cases
Common situations where JSON to Java Record helps:
- Generate a Java record with boxed types and snake_case field names from a JSON sample.
Parameters
This tool has no options — it works on the input alone.
FAQ
What is JSON to Java Record?
JSON to Java Record generate a Java record with boxed types and snake_case field names from a JSON sample. It runs entirely in your browser, so your data stays private.
Is JSON to Java Record free to use?
Yes. JSON to Java Record 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.