JSON to Java Class Converter

JSON

Java

import java.util.List;

public class Address {
    private String city;
    private Integer zip;

    public String getCity() { return city; }
    public Integer getZip() { return zip; }
    public void setCity(String city) { this.city = city; }
    public void setZip(Integer zip) { this.zip = zip; }
}

public class Root {
    private Integer id;
    private String name;
    private Boolean active;
    private Double score;
    private List<String> tags;
    private Address address;

    public Integer getId() { return id; }
    public String getName() { return name; }
    public Boolean getActive() { return active; }
    public Double getScore() { return score; }
    public List<String> getTags() { return tags; }
    public Address getAddress() { return address; }
    public void setId(Integer id) { this.id = id; }
    public void setName(String name) { this.name = name; }
    public void setActive(Boolean active) { this.active = active; }
    public void setScore(Double score) { this.score = score; }
    public void setTags(List<String> tags) { this.tags = tags; }
    public void setAddress(Address address) { this.address = address; }
}

// Root type: Root

JSON to Java Class Converter — Free Online Tool

Converts JSON into Java POJO class definitions with camelCase fields, getters, and setters, inferring String, Integer, Double, Boolean, and nested class types — useful for generating Jackson/Gson model classes for Android or backend services from a sample JSON payload.

How to use the JSON to Java Class Converter

Open the tool above — it runs entirely in your browser, so your input never leaves this page.
Paste or type your input into the field, then press the relevant button (e.g. Encode / Decode, Generate, or Convert).
Copy the result from the output area with the copy button orCtrl/Cmd + C.
No signup, no upload, and no tracking — repeat as often as you need.

Frequently asked questions

Is the JSON to Java Class Converter free to use?

Yes. The JSON to Java Class Converter is completely free, with no signup, no ads inside the tool, and no hidden limits.

Does the JSON to Java Class Converter upload my data?

No. The JSON to Java Class Converter processes everything locally in your browser. Your input is never sent to a server, so it stays private even on shared devices.

Does the JSON to Java Class Converter work offline?

After the page loads, the JSON to Java Class Converter runs entirely in your browser, so it keeps working without a network connection.

Free & private — why use this JSON to Java Class Converter

The JSON to Java Class Converter runs 100% client-side in your browser. Your data is never uploaded to a server, no account is required, and the tool is completely free. It works offline once the page has loaded and is part of a growing collection of privacy-first developer utilities.

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