JSON to Entity Class
Convert a JSON shape into Java entity classes, nested objects included.
◧JSON to Entity Class
All processing happens locallyWhat this tool does
JSON to Entity Class is a generator that turns JSON into strongly typed entity code, results are produced instantly with no page reload and nothing is sent to a server.
Paste your content, press the main button, then copy or download the output from the corner of the panel.
How to use it
- Paste or type your content into the input field at the top, or press the sample button to load demo data.
- Adjust the options below the input, such as output format, separators, letter case or precision.
- Press the main button to run the conversion. Results appear instantly in the output panel without a page reload.
- When the result looks right, use the copy button in the corner, or download it as a local file.
Tips and notes
Clean up stray spaces and line breaks before pasting for more accurate results.
FAQ
Yes. Set them in the options below. The class name defaults to Item and the package stays empty by default.
They become List<T>, where T is inferred from the elements; object elements produce nested classes too.
Yes, paste it straight into your project. If you use Lombok you can swap the getters and setters for annotations.
Yes. The tool is completely free with no usage limits, and you never need an account or a sign-in.
No. All processing runs locally in your browser, so the input never reaches a server and is never logged or stored.
Yes. The layout is mobile-first, so inputs and buttons stay comfortable on phones and tablets in both orientations.
Yes. A copy button in the output panel puts the result on your clipboard, and you can also download it as a text file.