Free Online JSON to Java POJO - ATools

Free online JSON to Java POJO generator: generate Java classes from sample JSON (supports @JsonProperty, List/T[]), runs purely locally in your browser.

View source on GitHub

Root Type NameArray Type@JsonProperty

JSON Input

Note: Generates lightweight POJOs (public fields + optional nested static classes); mixed types will fall back to Object.

Java Output

import java.util.List;

public class AutoGeneratedProfile {
  public String email;

  public static class AutoGenerated {
    public long id;
    public String name;
    public AutoGeneratedProfile profile;
    public List<String> tags;
  }
}